How to whitewash walls with lime - how to whitewash with chalk? How to whitewash the ceiling on the old whitewash The better to whitewash the walls in the house.

Whitewash is not a very common wall decoration in our time, but is still used.

The reason is not only the cheapness of materials, but also the ability to put the room in order without using hired force, since you can learn how to properly whitewash the walls with lime from the very first time, in the process of work. The main thing is to prepare the surface of the walls well for finishing and whitewash according to a good recipe.

Why whitewash is better with lime

Whitewashing inside houses used to be done either from chalk or lime. Chalk whitewashing has visual advantages - the color of the walls turns out to be pure - completely white or with a tint if a dye is added to the mass. In addition, chalk whitewash lays on the walls in a fairly dense layer - it is not difficult to whitewash without streaks, bald spots, brush marks.

But lime whitewashing wins in that it is an antibacterial and insecticidal coating. With its help from mold, fungi, insects.

Preparation of surfaces for lime whitewashing

We clean the walls and ceiling from old finishes and dirt. If the walls were previously whitewashed, wash off the old layer. We eliminate wall defects, repair chips and cracks with putty, and then sand them.

We prime the surfaces. This is necessary so that the liquid whitewash is less absorbed into them, forms a dense, well-adhering layer. The usual primer, in fact, is an adhesive composition.

We use slaked lime - paste or prepare fluffs from lime powder

How to prepare a primer for whitewashing with lime

You can purchase a ready-made primer or prepare it yourself.

Stir slaked lime in warm tap water (water - half a serving).

Pour salt (coarse, stone) into the liquid.

We filter.

Add the rest of the water.

Separately, mix-rub a small amount of wood glue and sifted chalk powder. You should get a gruel that looks like a cream.

We dissolve the chalk-glue mass in a liquid with lime.

We filter.

The primer composition is ready.

The proportions of ingredients for the preparation of the primer:

slaked lime (paste) - 5 kg;
water - 20 l;
salt - 200-250 g;
chalk - 400 g.
joiner's glue - about 200 g (we orient ourselves by adding to the chalk in parts).

We cook joiner's glue in granules with the addition of water in a water bath.

Instead of carpentry glue, PVA carpentry glue can be added to the lime whitewash primer. Sometimes a strong soapy solution is added to it (rub a piece of laundry soap on a grater and dissolve the chips in hot water). But the primer with soap is weaker than the one in which wood glue is present - whitewash can get dirty and crumble.

Lime whitewashing can be done with brushes

If you use a whitewash roller, the surface will turn out to be more accurate, even.

How to prepare lime whitewash

We put the slaked lime in a bucket, pour warm water, stir.

To get a white whitewash, it is good to add blue to the liquid. To do this, the powder is first diluted in water, and then poured into a bucket of lime.

To give the whitewash layer strength (so that the walls do not stain clothes, etc.), we also add dissolved laundry soap or carpentry glue to the finished mass.

Proportions of ingredients:

slaked lime - 4-5 kg;
water - 7 l;
blue - 15-17 g;
laundry soap - 60-70 g.
joiner's glue - 50-60 g.

The very process of whitewashing the walls with lime is simple: arm yourself with a roller or brush and apply 2 layers on the surface, withstanding the drying time between them.

The process of whitewashing the walls with lime

If there is a spray gun, it will greatly speed up the process, and give a more even coating. Proper whitewashing of the walls with lime also involves regular mixing of the liquid in the container, as its particles quickly settle.

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Functions and scope of lime in repairs

Lime is not the easiest material to use. However, it occupies its niche in the building materials market quite firmly and is very reluctant to lose ground. Given all the advantages and disadvantages, in certain cases the use of lime whitewash is appropriate, and sometimes it is more appropriate to choose another method.

Important properties of lime whitewash

Lime, known to everyone from school, is called calcium oxide in chemistry textbooks. For whitewashing, slaked lime is used, that is, it has reacted with water. In chemical language, slaked lime is a strong base - alkali. It has good disinfecting properties, because the aggressive alkaline environment adversely affects the fungus, pests and other unwanted animals.

Lime whitewashing is not afraid of moist air, does not crack or blister. In addition to resistance to high humidity, walls treated with this substance are resistant to temperature extremes.

For whitewashing, it is not necessary to wash off the existing coating, it can be applied to the old finish. Moreover, if a network of small cracks has formed on the surface of the walls or ceiling, treatment with a solution of slaked lime will strengthen the finish and extend its service life.

The cost of lime for whitewashing in stores cannot be compared with the price of other finishing materials. This is due to the fact that the production process is very simple - it is an elementary firing of lime rocks in a kiln. Raw materials cost a penny, so the price of the product is low. A thirty-kilogram bag costs about $2.

Where and why it is advisable to use lime

The properties of antiseptic and fungicide make slaked lime a leader among finishing materials for damp and cold rooms: cellar, shed, garage, basement and the like. It is used for walls and ceilings. The weather resistance of the substance allows it to be used for whitewashing facades.

The record holders for the use of lime for whitewashing and other tasks are summer residents. Here it is in full swing. It is customary to whitewash walls both inside and out, add quicklime to the soil to change its acid-base balance, treat tree trunks to protect against insects and animals, curbs for beauty.

In those rooms where practicality, not aesthetics, comes to the fore, and the financial side of the issue also matters, lime mortar is also used to cover walls and ceilings. This can be observed at the entrances, on landings, in common corridors, foyers.

It is quite appropriate to whitewash the ceiling in this way in any living space. Schools, hospitals and other institutions still use lime mortar for wall decoration. After drying, calcium hydroxide becomes safe, does not emit any harmful substances into the air.

Buying lime - what to take and how much

Before going to the store, you need to find out which lime to buy for whitewashing - slaked or quicklime, how much it is required and what other components will be needed. This will save you from having to go to the construction market again, if suddenly the solution is not enough or its properties do not meet your requirements.

How to make slaked lime with your own hands

As you already understood, hydrated and quicklime are completely different substances that are united only by a consonant name and the presence of calcium in the composition. For household repairs, slaked lime is used. It is sold by weight at any hardware store or farming department.

However, situations are not uncommon when the farm has a fairly large supply of quicklime and it is desirable to use it, rather than buy slaked lime. In this case, it can be extinguished independently, especially since this chemical process does not require the skills to conduct such experiments in the laboratory.

So, how to prepare lime for whitewashing from lumpy quicklime "boiler". First you need to take care of personal protection. Since you will be dealing with a rather aggressive alkali, take care to protect your eyes (glasses), respiratory organs (respirator), exposed skin (closed clothing and gloves). This must be done in the air.

Video: How to prepare a whitewash solution

You will need a deep container, such as a bucket and a stirring tool - traditionally a stick. The list of ingredients is also short:

lumpy quicklime;
water.

The water must be cold, this is the only condition. Even a first-grader will remember the proportion - 1: 1.

Step-by-step instruction:

For 1 kg of calcium oxide, take 1 liter of cold water.
Combine all this in a container and mix. Almost instantly, you can observe the beginning of a powerful chemical reaction with the release of a large amount of heat. When quenching, the mixture sometimes heats up to 150 degrees, it is not for nothing that the people called the substance a boiling water - the solution literally boils.
When the reaction stops, heat and gas cease to be released, lime can be considered "fluff", that is, slaked. However, it is not yet suitable for whitewashing.
The solution should ripen within 2-3 weeks under a lid in a dark, cool place.

Solution proportions and consumption per square

To start whitewashing with lime with your own hands, you need to prepare at least the following set of materials:

powdered fluff or lime paste;
water.

In addition, all kinds of auxiliary substances are often added to whitewash, which give it certain properties. The stock solution is prepared in a ratio of 1:3. For every kilogram of fluff, take 3 liters of water. As a result, 4 liters of solution can be prepared from 1 kg of the substance.

Lime consumption per 1 m 2 during whitewashing directly depends on the type of surface on which it is applied:

The largest consumption - about 1 liter of ready-made mortar per square, will go away when whitewashing raw brickwork.
A flat prepared surface suggests approximately 0.5 liters per square meter of area.

Another criterion that affects consumption is the painting tool. More often they use an ordinary flat brush or a round one - a maklovitsa. These tools are wasteful, the mass is applied in a thick layer, streaks and drops can form. The spray gun can significantly reduce material consumption and operating time. Often, instead of a spray gun, a reverse blower vacuum cleaner and even hand-held tree sprayers are fitted.

How to calculate the amount of fluff and water

Before you dilute slaked lime for whitewashing, you need to perform some calculations. An example cost calculation is as follows.

First you need to calculate the area of \u200b\u200bthe walls and ceiling that you plan to whitewash. For example: room 3 by 5 m, ceiling height 2.5 m. It was decided to process the ceiling and part of the walls from the middle of the height to the ceiling with lime whitewash.

Wall area: (3 * 2.5 + 5 * 2.5 + 3 * 2.5 + 5 * 2.5) / 2 = 20 m 2.

Ceiling area: 3 * 5 \u003d 15 m 2.

Total area: 35 m2.

Based on the average consumption of 1 liter of solution per 2 m 2 of surface, it is easy to calculate the required amount for whitewashing - 17.5 liters of lime mortar. You can round up to 18, and preferably up to 20, because the average consumption is a rather flexible concept.

That is, 20 liters of solution are required, and this is 5 kg of slaked lime in powder. It is worth noting that the finished lime dough, which is sold in hardware stores, is diluted in the same proportion, which means that the calculation is correct for it.

Additives to improve durability and combat imperfections

Since lime has been used in construction for a very long time, there are many “folk recipes” and methods that improve the properties of this substance. Still, modern water-based paints appeared not so long ago, and craftsmen were forced to engage in chemistry right at their dacha or at home.

The first problem that is solved by adding a secret ingredient to a solution of lime whitewash is grinding. A dried surface tends to stain everything and everyone who touches it. What to add to lime so that it does not smear? This ingredient is in every home - table salt. It has a good bonding effect. Add 100 g of salt per liter of solution.

Another problem, especially when using whitewash for outdoor use, is the rapid washing off of the composition with water. It has long been known what to add to lime so that it does not wash off - a fatty component is introduced into it - drying oil. Drying oil repels water and allows whitewash to last longer. Proportion 1:10, 100 ml per liter of solution.

They practice adding laundry soap grated on a coarse grater, PVA glue, wallpaper glue, acrylic primer. All this is done in order to ensure maximum adhesion of the whitewash to the wall, to exclude its swelling and bubbling.

White is not the only possible

To prevent the lime coating from becoming yellowish, ordinary blue is added to it - methylene blue. It will take 10-20 g per liter. The whitewashed ceiling will become snow-white. But sometimes it becomes necessary to get a lime mortar of other colors. You can’t call this mass whitewash, and not every dye is suitable. Use only those pigments that are resistant to an alkaline environment - mineral, but in no case organic.

Pigments that are used for lime paints:

ocher (yellow shade);
umber (greenish brown);
minium (orange);
mummy (red-brown);
chromium oxide (green);
titanium dioxide (white);
lithopon (white);
ultramarine (blue).

In order to prepare good quality lime paints, it is not recommended to add pigment in its pure form - powder. It is pre-diluted with water until a paste is obtained. Then the pigment paste is allowed to infuse for about 24 hours. And only after that the dye can be added to the solution. This is due to the fact that pigment grains often do not dissolve well and can drag on the brush, forming ugly color streaks.

How to apply the composition to the surface in accordance with all the rules

Instructions on how to whitewash walls with lime look very diverse. The thing is that each master has his own recipe for a lime mixture, his own tool, which means his own technique. But you can try to combine the fundamental points into one algorithm. It will turn out a universal method, which everyone has the right to supplement or slightly correct depending on the situation.

Is surface preparation necessary?

If the task is to quickly whitewash the walls and the decorative side of the issue does not really bother you, you can skip the preparation stage altogether. In fact, you can whiten directly on top of other coatings without worrying that the result will not live up to expectations. But if the walls are covered with adhesive paint, then you need to remove it first.

If speed is not your priority, then it is best to prepare the surface for the application of lime mortar. So the result will be more accurate. The old whitewash is washed off, swollen places on the plaster are removed, sanded, puttied. The same applies to cracks, if any.

Plain water is used as a primer. The surface is lightly wetted for better contact. And if the mixture contains one or more of the additives listed above, then adhesion will be even better.

It is important to protect all other surfaces from accidental contact with lime. All furniture, if it cannot be taken out of the room, the floors and walls are hung with plastic wrap. The worker must wear a protective suit, gloves, goggles and a mask for personal protection.

A few secrets of uniform application

The application process is not particularly difficult. A brush or maklovitsu is dipped into a container with whitewash, the solution is applied to the walls or ceiling with a thin layer. For the ceiling, it is better to use a tool with a long handle. It can be made by hand. This will make it easier to work and eliminate the need to climb on unstable structures from tables and chairs.

Whitewash is applied in several layers - 2-3. Each layer must be applied perpendicular to the previous one. So the coating will be more uniform, there will be no streaks and thickening. There are often gaps in the corners. In these places it is better to walk with a brush again.

Between the application of layers it is necessary to withstand the time interval. The previous layer must dry completely. This will happen much faster if the layers are made thin. The thinnest and most uniform layer will be obtained using an electric spray gun. The lime mixture is poured into the tank and sprayed onto the surface in tiny drops. This eliminates the appearance of divorces.

Despite the fact that the process of whitewashing walls and ceilings with lime is not a big deal, for someone who has encountered this for the first time, it may seem like an impossible task. Especially when it comes to a high ceiling or an extensive amount of work over large areas. It is never too late to turn to the master - a professional in his field. He can easily do this work efficiently and much faster than a beginner.

Video: Quick Cellar Repair

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How to whitewash walls

Whitewashing the walls is the easiest and fastest way to redecorate an apartment or any other room. So the versatility and ease in its execution made whitewashing the most popular and popular. However, not everyone knows how to properly whiten and not strip. So, how to whitewash the walls correctly.

Preliminary preparation of the wall surface for whitewashing

Perhaps the most important component of successful whitewashing will be the preliminary preparation of the surface. The walls must be cleaned of dirt, stains removed and sanded, if any. Otherwise, the new layer will not lie evenly, and most of the stains and streaks will show through it, no matter how thickly you dilute the composition. This problem is solved simply if you sand the walls from the white. But when this is not possible or the layer is not so thick, then you can use the advice of experienced plasterers-painters:

1. Traces of soot are removed with a 2% solution of ordinary hydrochloric acid;

2. Grease marks and stains are wiped with a clean, light-colored cloth moistened with a 2% solution of soda ash. A rag is applied to the place of contamination and held until the stain is completely dissolved;

3. Stains and smudges of rust are easily removed with a solution of copper sulfate (70-120 grams per 1 liter of boiling water).

In any case, the wall must be sanded and primed. Sanding the wall is best done manually, with emery or a grinder at low speeds. The grain size of the emery must be selected depending on our thickness of the layer to be removed. Often, flaws in putty and / or plaster can be hidden under whitewash. Therefore, if the house is old and has not been repaired for a long time, surfaces should be cleaned carefully: the situation when the wall rests only on whitewash is not uncommon here. Also, at the preparatory stage, cracks and small irregularities are repaired. Perfectly the wall is plastered clean and primed again with the appropriate composition.

If there is old whitewash on the wall, then it must be removed. To do this, you need to moisten the walls well with water, you can do it with a roller. After we wait 10 minutes and again we pass a second time with water for better penetration. After that, with an ordinary spatula, we peel off a layer of old whitewash and all the weak points of the plaster.

Wall surface whitewashing technology

You can whitewash the walls either directly with slaked lime or chalk. There is no particular difference between these two materials, it all depends on which one you have on hand. However, the compositions are prepared a little differently. And the actual application technology is slightly different.

How to whitewash with lime

Lime is sold everywhere, as a rule, already ready for further work. However, if it is still necessary to extinguish the lumpy limestone, then this can be done in a wooden box or a metal barrel, with water, in a proportion of 40% to 100% by weight of the lime. Lump lime is poured with water and covered with a wooden shield. Leave until the end of chemical processes.

lime powder, which is sold in packages, must be diluted in proportion - 7 liters of water per 4 kg. powder, mix thoroughly to get lime milk, ready for further work. When working with lime, it must be borne in mind that the reaction taking place is quite violent and a large amount of heat is released in this case, so you must be careful.

Before whitewashing, the solution or milk of lime must be filtered. Further preparation of the solution depends on the desired properties. For greater whiteness, you can add ordinary table salt in the proportion of half a glass per bucket of solution. In order for the layer to lay down well and adhesion to improve, you can add medium coarse lime plaster or putty, at the rate of 200-220 grams per 1m2 of surface. In addition, the composition can be tinted, which greatly expands the design qualities of such a simple material.

Actually whitewash technology is also simple, the main thing is to observe one not tricky rule: the application of the solution must be started from the window, and the direction must be parallel to the incident light. Work is carried out with a long-haired roller or a paint brush with medium hard bristles.

Directly whitewashing takes place in two stages. On the first - with a liquid solution, without additives and tinting, the walls are wetted, as if "primed". This stage is especially necessary if the wall is dirty, dusty. If necessary, preparatory whitewashing is repeated again. The brush is immersed in the solution completely and without sparing, applied to the surface from top to bottom, washing away all impurities.

Next finishing layer apply more carefully, slightly squeezing the roller or brush so that the solution does not flow or drip. Otherwise, streaks and smudges may form.

Another very important rule for successful whitewashing is to protect your premises from drafts and direct sunlight. And in general, to whitewash the walls or ceiling, it is better to choose a cool and rainy day for work. This is the peculiarity of these works - it is necessary to clearly monitor the "tightness" of the room.

How to whitewash with chalk

Whitewashing with chalk is not great for many. However, if earlier the surface was covered with lime, then it is impossible to work with chalk until the lime layer is removed, as stains and stains form. Therefore, such a surface must be sanded to plaster, primed again, then only after whitening. You can primer both with a purchased product and prepared with your own hands.

The simplest chalk primer is being done from:

40% laundry soap (400 grams) and wood glue (400 grams) with the addition of drying oil (200 grams).

The resulting mass is carefully, stirring vigorously, add 9 liters of water. We apply a primer in a thin layer on the entire surface of the wall, especially carefully processing the corners. After it dries, the final coloring is carried out.

For the preparation of a chalk solution, as a rule, the classic recipe is used:

1. For 2.5 kg. chalk we take 100 grams of wood glue and 20 grams of blue.

2. 70 grams of laundry soap and 4.5 liters are added to the solution. water.

3. Initially, glue is dissolved in water, then, gradually, the remaining components are added. This amount is enough for painting 12 square meters. meters of surface.

You can whitewash the walls with chalk mortar from a spray gun or just like with lime - with a roller or brush. The coating is applied twice, taking into account the direction of the light rays: the first time is perpendicular, the second time is parallel. Each layer must dry completely before applying the next. That's all.

As you can see, whitewashing is not a tricky and effective repair. Some troubles are associated only with ensuring the strict tightness of the premises at the time of work. This refers to drafts and when sunlight hits a dry whitewashed surface, which will allow it to dry faster than necessary, which can affect the final result. But the cheapness and simplicity of the method more than compensate for this disadvantage.

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No. 1. The benefits of whitewashing

Whitewashing ceilings and walls is not the most modern way of finishing, and far from being the most fashionable. What makes thousands and tens of thousands of people across the country still whitewash the old fashioned way? Whitewashing has enough advantages:

low price- this is the main argument in favor of this type of finish. When the budget is limited, and it is necessary to put the room in order, the choice falls on whitewashing. For this reason, gypsum and chalk are still actively used in hospitals, schools and other public institutions for finishing ceilings and walls;
ease of application. A person without special training will cope with whitewashing - no special skills, abilities and tools will be needed;
neat appearance. Of course, in terms of intricacy and decorativeness, the whitewashed ceiling is inferior to the tension system, and the whitewashed walls are finished with Venetian plaster, but if you apply the whitewash correctly, you can end up with a fresh white surface with an even matte color. If desired, a dye can be added to the solution with whitewash;
harmlessness, environmental friendliness ability to pass moisture and air. Ordinary whitewashing in this regard is far ahead of vinyl wallpaper and expanded polystyrene ceiling tiles, so in some cases it will be even more preferable;
lime whitening has bactericidal properties, so it will become an additional protection against mold and fungus.

Among cons low durability (1-3 years), uncomplicated appearance and dirt during application.

No. 2. How to whitewash: lime, chalk or water-based paint?

When they talk about whitewashing, they most often mean exactly lime whitewash. Lime (this is calcium oxide) is quenched with water to produce a material that is used in finishing.

The main advantages of lime whitewash:

bactericidal properties of the material, so this finish is used in kindergartens, schools, medical institutions, even in wet rooms. The antiseptic qualities of lime also make it possible to actively use it in the arrangement of cellars and chicken coops. For the same reason, the bark of trees is treated with lime whitewash;
if the lime mortar was prepared and applied correctly, then the coating will last about 3 years and even more;
resistance to temperature extremes and high humidity. That is why lime can be used to decorate bathrooms if other materials are not affordable;
excellent adhesion to almost all materials, including brick, wood, plaster and concrete;
ability to fill small cracks;
low price, which is typical for any whitewash.

With all the advantages, lime is different and shortcomings. The main one is the possibility of getting burned, so all work must be carried out with gloves. Chalk is much safer in this respect. In addition, there is a chance of leaving stains and streaks. Allergy sufferers are not recommended to use this finish.

chalk just like lime, it is inexpensive and environmentally friendly, and among its additional benefits:

safety at work;
a deeper white color that many like more than the color obtained with lime whitewash;
the ability to use in rooms where allergy sufferers live.

Chalk, when interacting with water, is able to accumulate it, which leads to the appearance of cracks on the surface and the rapid exfoliation of the whitewash layer, therefore, chalk whitewashing is taboo in bathrooms, kitchens and other wet areas. If the application technology is violated, you can get not only spots and stains, but also bubbles. In addition, chalk whitewash stains.

There is such a concept among the people as whitewashing with water-based paint. This finish has nothing to do with whitewashing and refers to painting. It began to be attributed to whitewashing, apparently due to the composition of the materials used - this cement and lime based paints. Today, painting with mineral water-based paints can be considered the best alternative to whitewashing. Among the main advantages of this option:

resistance to abrasion, temperature extremes;
bactericidal properties;
the ability to breathe;
human safety;
ease of use, high drying speed.

However, the durability of such a coating is also not up to par, but the price is much higher than that of ordinary whitewash.

No. 3. How to determine what was whitewashed?

Probably, at least once in a lifetime, everyone has heard that different whitewashes cannot be mixed. If lime whitewash was applied to the ceiling or wall, then when mounting on top of the chalky one, ugly spots will soon be observed. When preparing a room for finishing and evaluating the condition of the surfaces, it is very important to determine what whitewashing was done before.

It is very easy to check. It is enough to wet a small fragment of the finish with water, and observe the reaction. Wet lime will darken a little, and if you rub the surface with your finger, there will be no white marks on your hands.

No. 4. How to wash off whitewash and prepare the surface?

Before whitewashing a ceiling or wall, it is necessary to prepare the room and surface for future work. The sequence of actions is as follows:

If your task is only resurface a whitewashed surface, then if there are small defects, they can be repaired with cement-based putty, and then proceed to apply a new layer of whitewash.

No. 5. Preparing a whitewash solution

Since lime is used more often, we will start with it. The process of preparing the material is simple, but still requires care. So, how to dilute lime for whitewashing?

Now consider how dilute whitewash based on chalk:

Note that ready-made dry mixes are also on sale, where lime or chalk has already been mixed in the required proportions with other components - you just have to fill in the required amount of water. Such mixtures are more expensive if you take all the ingredients separately, but the difference is small.

No. 6. How to whitewash the ceiling and walls: brush, roller or spray?

Theoretically, whitewashing can be applied with the following tools:

brush;
roller;
spray gun;
vacuum cleaner with air blowing function.

We note right away that the first two options are more applicable - it makes sense to use a vacuum cleaner and an airbrush with a large surface area to be whitewashed.

Whitewash brush they take a special one, made of natural bristles 15-20 cm wide. After work, the brush can be washed and reused later. To whitewash a brick wall, you can use a brush with natural bristles. It is advisable to soak it in water a few hours before use. In this case, the wooden handle swells a little and holds the bristles well, which will not fall out during the whitewashing process.

Before applying the mixture, it is important to mix well again so that the shade is uniform. The first layer is applied perpendicular to the window, the second - parallel to the frames. In this case, the stripes from the brush will be minimally noticeable. Experts recommend slightly moistening the surface of the ceiling and walls before applying the mixture.

It is better not to use a whitewash roller. When there is only one layer, this tool will still fit, but when applying the second layer, the dried first one may fall off. If you act carefully, you can get a beautiful matte surface.

Sprayer and vacuum cleaner take only when you have to finish a large surface. The consumption of the solution increases, it is applied in a thicker layer, but it will be possible to mask small defects. If you have a sprayer at your disposal, then there are no questions.

You can also apply whitewash with a vacuum cleaner if it has an air blowing function. Among the numerous nozzles in such models there should be a polyethylene cover with tubes. This cap is the atomizer. It must be put on a jar and connected with a hose to the outlet in the vacuum cleaner. It turns out that when air is blown out with a vacuum cleaner, air enters the sprayer, draws the solution from the can and sprays it through the nozzle. As a rule, there is a special hole on the sprayer, covering which you can get the required solution supply pressure. It is better to apply the solution in a circular motion, spraying at a distance of 70-100 cm.

No. 7. In conclusion about safety

So that after whitewashing you do not have to be treated, it is better to take care of safety precautions in advance. The respiratory tract is protected with a respirator, a wet bandage or a protective mask. Hands must be protected with rubber gloves, and eyes with goggles.

Today, the shelves of hardware stores are bursting with a variety of finishing materials. Wallpaper of different types, decorative plaster, stone, tiles - choose what you want, but at the same time good old whitewashing does not lose popularity. Among the main reasons are low cost, ease of application and environmental friendliness. These qualities are sometimes enough to turn a blind eye to the low durability of the coating. Let's figure out how to whitewash the ceiling and walls with lime and chalk, decide whether water-based paint belongs to whitewash, and which material shows itself better.

No. 1. The benefits of whitewashing

low price- this is the main argument in favor of this type of finish. When the budget is limited, and it is necessary to put the room in order, the choice falls on whitewashing. For this reason, gypsum and chalk are still actively used in hospitals, schools and other public institutions for finishing ceilings and walls;
ease of application. A person without special training will cope with whitewashing - no special skills, abilities and tools will be needed;
neat appearance. Of course, in terms of intricacy and decorativeness, the whitewashed ceiling is inferior to the tension system, and the whitewashed walls are finished with Venetian plaster, but if you apply the whitewash correctly, you can end up with a fresh white surface with an even matte color. If desired, a dye can be added to the solution with whitewash;
harmlessness, environmental friendliness ability to pass moisture and air. Ordinary whitewashing in this regard is far ahead of vinyl wallpaper and expanded polystyrene ceiling tiles, so in some cases it will be even more preferable;
lime whitening has bactericidal properties, so it will become an additional protection against mold and fungus.

Among cons low durability (1-3 years), uncomplicated appearance and dirt during application.

No. 2. How to whitewash: lime, chalk or water-based paint?

When they talk about whitewashing, they most often mean exactly lime whitewash. Lime (this is calcium oxide) is quenched with water to produce a material that is used in finishing.

The main advantages of lime whitewash:

bactericidal properties of the material, so this finish is used in kindergartens, schools, medical institutions, even in wet rooms. The antiseptic qualities of lime also make it possible to actively use it in the arrangement of cellars and chicken coops. For the same reason, the bark of trees is treated with lime whitewash;
if the lime mortar was prepared and applied correctly, then the coating will last about 3 years and even more;
resistance to temperature extremes and high humidity. That is why lime can be used to decorate bathrooms if other materials are not affordable;
excellent adhesion to almost all materials, including brick, wood, plaster and concrete;
ability to fill small cracks;
low price, which is typical for any whitewash.

chalk just like lime, it is inexpensive and environmentally friendly, and among its additional benefits:

safety at work;
a deeper white color that many like more than the color obtained with lime whitewash;
the ability to use in rooms where allergy sufferers live.

resistance to abrasion, temperature extremes;
bactericidal properties;
the ability to breathe;
human safety;
ease of use, high drying speed.

However, the durability of such a coating is also not up to par, but the price is much higher than that of ordinary whitewash.

No. 3. How to determine what was whitewashed?

No. 4. How to wash off whitewash and prepare the surface?

Before whitewashing a ceiling or wall, it is necessary to prepare the room and surface for future work. The sequence of actions is as follows:

If your task is only resurface a whitewashed surface, then if there are small defects, they can be repaired with cement-based putty, and then proceed to apply a new layer of whitewash.

No. 5. Preparing a whitewash solution

Since lime is used more often, we will start with it. The process of preparing the material is simple, but still requires care. So, how to dilute lime for whitewashing?

Now consider how dilute whitewash based on chalk:

No. 6. How to whitewash the ceiling and walls: brush, roller or spray?

Theoretically, whitewashing can be applied with the following tools:

brush;
roller;
spray gun;
vacuum cleaner with air blowing function.

We note right away that the first two options are more applicable - it makes sense to use a vacuum cleaner and an airbrush with a large surface area to be whitewashed.

No. 7. In conclusion about safety

It seems to us that there is nothing easier than whitewashing the walls with lime. Such walls are classified as "breathable", they have pores that absorb water vapor, and then freely evaporate moisture to the outside. In addition, these coatings have antiseptic properties, which is ideal for rooms with high humidity.

It seems that whitewashing the walls is easy. In fact, everything is much more complicated. Lime paint should be properly mixed, a base is prepared for it, and the composition is applied using a special technology. If you want to use the traditional way of finishing walls and ceilings, which has proven itself over the centuries, find out the main features of the process from our article.

Cooking lime composition

The lime composition is intended for finishing brick, concrete, stone or wooden walls. The lime composition is applied directly to the plaster, it is prepared in a special way: alum, drying oil or table salt are added to make the lime more dense so that the whitewash does not crumble.

The most traditional composition for whitewashing is done like this:

We take 6 liters of water;

Add lime to it, stirring the mass to the state of a semi-liquid dough;

For every 2.5 kg of lime composition, we take 100 grams of table salt diluted in half a liter of hot water, add the resulting composition to the lime dough;

Add more water so that the total volume is 10 liters, mix well.

The composition is ready. If you need to blue it or make whitewash of any color, a colored tint diluted with water is poured into the lime mortar.

The composition must be homogeneous, so all components are filtered through a sieve. Not all pigments are suitable for the lime composition, but only those that are classified as alkali-resistant. Most often, the lime composition is stained with ocher, graphite, minium, sienna, etc. pigments.

We paint the walls with lime with our own hands

To paint the walls or ceiling with lime, it is necessary to clean the surface of dust, cover with a primer and moisten. For a primer, lime is most often mixed with alum or lime with salt.

Traditionally, the lime composition is applied with an airbrush or a wide brush (maklovitsa, whitewash, etc.). The layers should not dry out completely, a new layer is placed on the previous one that has not yet dried out. 2-3 coats are enough for the surface to be qualitatively painted over.

With the help of lime compositions, interior and exterior walls, ceilings, and facades are painted. The staining process itself is quite simple, preparing lime for painting is easy, fast, even a non-specialist can handle it. In our online store you can buy lime, colors, as well as brushes and paint brushes of excellent quality at an affordable price. Ask our consultants for help and advice in order to paint the surface well and mix the lime composition without any problems.

Whitewashing the walls: what and how to whitewash correctly

Whitewashing the walls is an important stage in any cosmetic repair. Since the quality of the material used affects the appearance of the surface, resistance to external influences.

Advantages of whitewashing

To apply whitewash to the walls, it is not necessary to undergo special training. You can understand the subtleties of work, undeniable advantages, disadvantages in the process of work.

Along with the accessibility of technology for a beginner, there are a number of advantages of whitewashing over other surface treatments:

whitewashing becomes indispensable with limited budgetary funds. Since the price on the market for the material is the lowest;
ease of use. Even a schoolboy can cope with whitewashing the walls and ceiling. However, it is important to adhere to technology, to observe the necessary proportions;
beautiful smooth surface of a monophonic fresh shade;
environmental safety, the absence of harmful substances that modern finishing materials sin;
whitewash has bactericidal properties, which allows it to be used with a limited budget, for example, in various educational institutions, hospitals, and in household plots.

Preparation for work

Before you remove the old whitewash from the walls and ceiling, you need to know what was used before - chalk or lime. The check will not take long. It is enough to wet the surface with water. If lime was used, the wet area will darken. Or just swipe the wall. If the surface was whitened with chalk, then the finger will become white. After lime, it will not stain.

The success of whitewashing is primarily affected by thorough surface preparation. To do this, it is enough to follow simple rules:

free the room from household appliances, furniture. If it is impossible to do this, you need to cover them with a film of polyethylene, secure it from slipping with adhesive tape;
if you wet a section of the wall in advance, it will be easier to remove the old layer of whitewash;
to wash off the old layer, it is recommended to use a soap solution, plain clean water with the addition of citric or acetic acid;
old whitewash is removed with a spatula, collected in a special container. If this is not done, then the cleanliness of the premises will be at risk;
when the old whitewash is removed, the wall is washed with a sponge to remove residue.
to remove stains from rust, grease, and soot, copper sulfate, soda ash, hydrochloric acid are used;
cracks and dents (depending on the size of the defect) are puttied or plastered;
after removing the old whitewash, leveling the surface, an antiseptic composition is applied - a primer. You can either make it yourself or purchase it ready-made;
after the surface has completely dried, we proceed to whitewashing.

How to whitewash walls

The composition that is used for whitewashing is produced in three types: lime, chalk, water emulsion. But each finishing material has both its advantages and disadvantages.

Whitewashing the walls with lime

To get material ready for work, lime is quenched with water. This type of whitewash is the most popular. Among the advantages of lime should be noted:

good antiseptic, bactericidal properties;
lime stays on the surface for more than three years;
walls after whitewashing with lime are well tolerated by humidity, temperature differences;
adhesion with other finishing building materials;
the ability to fill cracks, as well as correct minor surface defects;
very low price.

However, along with obvious advantages, lime has significant disadvantages:

Causes burns on contact with exposed skin. It is necessary to use protective overalls, a respirator, gloves;
in the process of inaccurate inept work, spots, streaks, and stains remain on the surface;
lime is contraindicated for those who suffer from allergies.

Chalk application

Along with low cost, environmental friendliness, chalk has a number of advantages over lime:

safe at work;
shades of white after application are more saturated;
is hypoallergenic.

Chalk also has disadvantages to consider:

does not like high humidity. Since when interacting with water, the surface eventually begins to crack, swell, peel off;
with inept use, it leaves bubbles, streaks, stains on the surface;
constantly stains, stains everything around - furniture, clothes, curtains.

Whitewashing walls with water-based paint

It would be more correct to call the painting of the walls with water-based paint. Since the composition usually contains lime, they talk about whitewashing, and not about coloring. In any case, it is a good alternative to chalk with a number of undeniable advantages:

moisture resistance;
wear resistance;
high antiseptic properties;
environmental Safety;
easy to apply to the surface;
dries quickly;
safe to use.

The disadvantages depend on the composition of the water-based paint, its constituent polymers. For example, vinyl or latex enamel is ideal for a surface that is constantly experiencing increased moisture and temperature changes. Acrylic in such conditions will, like chalk, crack and peel off.

How to change the color of whitewash

With the introduction of the dye, you can achieve any shade. Since the walls, the ceiling does not have to be white, like in a hospital. Previously, only one dye was used - blue. Not knowing that whitewashing can be done using certain, suitable pigments, which, above all, made the walls typically white, without an ounce of imagination.

To make lime whitewash colored, you need to add an alkali-resistant pigment to the finished solution. Liquid will not work, as lime will simply dissolve it!
To give different shades, the following colors are used:

It should be borne in mind that the more pigment in the lime mortar, the worse the surface will be in terms of strength.

Chalk, unlike lime, can be tinted with both liquid and dry pigments. This is easy to do: just add the dye of the desired shade to the solution. Just keep in mind that when wet, the color is richer than when dry. Therefore, it does not hurt to re-, after complete drying, “paint” the surface.

Among the significant disadvantages of colored chalk whitewash, it should be noted that it is easy to get dirty with it during interaction. In addition, the room must be dry, without dampness, temperature differences.

Before carrying out the work directly, it is necessary to acquire a suitable tool: in an alik, to an ist, to an excavator.

Most often, in terms of affordability, brushes are used, as well as rollers. Whitewash, after thorough mixing, is applied in at least 2 layers. The brush is pre-soaked so that it swells. Then her villi do not fall to the surface.

The roller is much easier to work with. Since the surface is smooth, perfectly white. After finishing work, do not forget to rinse the tool so that you can use it again.

There are important safety rules that must be strictly observed:

protective clothing must cover the entire body. First of all, eyes, nose, mouth;
If lime gets on the skin, rinse it thoroughly with water. Otherwise, you can get a serious, slowly healing burn;
stains that inevitably appear on the walls are removed with water and a sponge. But you need to wash them fresh, do not pull until dry.

If you follow these simple rules, whitewashing the walls will not take much time and effort. The surface, when properly applied with lime or chalk, will please the eye for a long time, and will also make the room sterile and aesthetically clean.

How to properly whitewash walls

Advantages and disadvantages of whitewashing walls

Even a novice master can whitewash ceilings and walls with his own hands. Requirements for materials and tools are minimal. Let's try to evaluate the clear advantages of such a process:

Cheapness. If it’s time to make repairs, and you are limited in funds, whitewashing is the best solution.
Simplicity. Even an unprepared person can easily cope with the work.
Accuracy. Although the whitewashed walls are clearly inferior to modern decorative gluing - the same Venetian plaster, with a competent approach, it is possible to obtain an original matte surface. In addition, dye can be added to the white, which will clearly benefit the design of the room.
Environmental friendliness. The applied finish easily passes moisture, allows the walls to "breathe", which cannot be said about tightly glued wallpaper or tiles.
Active protection. Lime whitewash is not susceptible to fungus or mold, as it is able to resist bacteria.

As for the shortcomings, the following should be highlighted:

fragility - after a couple of years, it is advisable to repeat the repair;
uncomplicated look;
When finished, there will be a big cleanup.

Video "Unusual idea for wall decor"

In this video, a specialist will share an unusual idea for painting walls in an apartment.

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Due to its low cost, it is the most demanded material. Usually, quicklime is "quenched" with water.

Advantages of lime coating:

It fits well and quickly on any walls: brick, wood, concrete and plaster.
It is characterized by bactericidal qualities. It is recommended for kindergartens, schools and clinics. As an antiseptic, it is used to treat walls in cellars and sheds, poultry houses.
Properly applied coating can last 3 years or more.
Not afraid of moisture, suitable for rooms with high humidity - bathrooms, kitchens, baths, etc.
It absorbs well into small cracks.

You also need to be aware of the disadvantages:

When working with lime, be sure to follow safety rules. The main condition is to work with gloves to protect your hands from burns.
The material leaves stains and streaks.
Dangerous for people suffering from allergic reactions.

Lime mortar must be prepared. For cooking you will need:

10 liters of water;
2-3 kg of slaked lime;
150–200 g of aluminum alum;
50-100 g of coarse salt, pre-soaked;
1 tsp blue for whitewash or 0.5 kg of dye to give the walls a certain color.

The composition for colored whitewashing must be made in an amount that is enough for the entire production area, otherwise it will be difficult to achieve a similar shade. Consumption is estimated at the rate of 0.5 liters of composition per square meter. m.

Quicklime can be extinguished at home by mixing with water in the same proportion. The composition must be mixed for 20 minutes, then stored in a closed container for 15 days.

When applying whitewash, follow a simple rule: the first layer is applied perpendicular to the window, the second - parallel to the frames. This approach avoids streaks. It is advisable to lightly moisten the surface to be treated with water.

This material is also often used, since chalk is cheap, and in terms of environmental friendliness it is not inferior to lime. In addition, it is much safer to work with him. In addition, chalk whitewash:

has a more saturated white color than calcareous;
does not cause an allergic reaction.

True, there are also disadvantages:

chalk absorbs moisture, so this product is not suitable for bathrooms - the walls quickly crack and peel off;
if applied incorrectly, spots and bubbles form;
against the wall is easy to get dirty.

The chalk composition is prepared according to the recipe. Norm for a plot of 10 square meters. m:

5 liters of warm water;
30 g of wood glue;
3 kg of sifted chalk;
15–20 g blue.

All ingredients are carefully dissolved in water. The consistency of the composition is checked by dipping a knife blade into it. Properly prepared composition should be slightly sticky to the blade. If necessary, add chalk in small portions, mixing and re-checking the consistency.

perform in several layers, at least two;
after applying one layer, allow time to dry completely;
it is impossible for the walls to dry in drafts or under the influence of sunlight;
each subsequent layer is applied perpendicular to the previous one.

Water based paint

It would be more correct to call such processing not whitewashing, but painting, although the paint is made on the basis of cement and lime. Mineral water-based paint:

resistant to abrasion and temperature changes;
has bactericidal properties;
allows the walls to "breathe";
safe for people;
dries quickly.

True, the material costs more than the previous ones, but the coverage is not enough for a short time.

The painting rules are as follows:

paint application starts from the corners and areas of the connection of the surface with the ceiling or wall;
the brush is not strongly wrung out, but the paint should not flow;
corners and joints are painted, moving to the mating surface by about 5 cm, masking the transitions;
the surface is painted in at least three layers, using a roller, each layer is perpendicular to the previous one;
layers should be an odd number, the last - strictly from the window in the direction of the light flux.

Although whitewash is usually associated with white, we recommend using a color scheme. This idea makes the design of residential premises more refined.

Colored whitewash

Colored walls and ceilings- This is a classic whitewash with lime or chalk, into which a pigment (dye) is introduced.

The color of the pigment and its amount are decisive in obtaining a decorative whitewash coating - the final color, its saturation and hiding power (opacity).

In everyday life, for many, the word "whitewash" is certainly associated with white. This is due to the fact that the chalk (lime) whitewash was originally white, so 99% of the whitewash was done in this form. The use of the dye was reduced to the use of one pigment - ultramarine (blue). Tinting in other colors was performed extremely rarely. Such a rare use of other pigments is based on ignorance that whitewash can be tinted, how to do it, which pigment to use. Understanding and skill in tinting lime (chalk) whitewash can greatly expand the possibilities of using whitewash.

How to make (cook) colored whitewash

Lime colored whitewash

Hydrated lime is an alkali, therefore it can only be tinted with dry alkali-resistant pigments (liquid dyes for high-voltage paints will eat alkali, with the exception of universal liquid pigments, the description of which states their compatibility with lime pastes, solutions). To do this, an alkali-resistant color scheme is introduced into a ready-made lime mixture (how to dilute lime, see here): chromium oxide - green, iron minium - red-brown, ocher - yellow, ultramarine - blue, umber - brown, soot - black and others. At the same time, it should be taken into account that a large amount of pigment (more than 5% by weight of lime) significantly reduces the strength and service life of colored lime whitewash. Therefore, it is almost impossible to obtain a bright saturated color without harming the performance of the coating - as a rule, these are muted shades of the primary colors.

Colored lime whitewash is a light-resistant, decorative coating and has antiseptic, anti-mold properties, and can be used: on old lime whitewash, for exterior decoration of residential buildings, walls and ceilings of various kinds of premises, building facades, fences, basements, cellars and other premises exposed to dampness.

Chalk colored whitewash

Unlike slaked lime, chalk is not an alkali and can be tinted with both dry and liquid pigments. To do this, add a color of the desired color to the already prepared chalk mixture (how to dilute the chalk, see here). In this case, it should be borne in mind that the color of the raw tinted whitewash is darker than it is in the dried form on the surface. Therefore, in order to obtain the maximum desired color, it is necessary to perform “painting”.

Colored whitewashing with chalk is applicable only inside, in dry rooms not exposed to dampness (houses, apartments, workshops, warehouses, schools, kindergartens, whitewashing with old chalk whitewashing, industrial premises, etc.). At the same time, colored whitewashing with chalk, unlike lime, is smeared and taken by hand.

What colors are obtained by mixing dyes with whitewash

Since lime and chalk whitewash is white, color mixing occurs between the base white and the pigment (white + pigment). With this combination, colors are obtained in a pastel palette. The amount of dye added determines the shade of the final color.

Whitewash tinting table

The resulting colors are the simplest and most successful result of combining whitewash with dye. In a more complex version, two or more pigments can be added to the main color (for example, to obtain aquamarine: white + green and black in a certain proportion). And some colors are impossible to get at all (for example, black)

Colored whitewash - application (video)

Colored whitewash - Prices for services

Name of service	*Price (UAH/m²)**
Name of service	from 300m²	from 1000m²
Whitewashing with chalk (color: gray, light gray, blue, light blue, pink, brown, beige)	24	22
Whitewashing with chalk (color: pastel green)	26	24
Whitewashing with lime (color: gray, light gray, blue, light blue, pink, brown, beige)	26	24
Lime whitewash (colour: pastel green)	28	26
Cleaning (washing) of old whitewash	35	33

Lime is a natural material with unique properties. Whitewashing the walls with lime is one of the most traditional and affordable ways with which you can not only make repairs to any room, but also bring interesting design ideas to life.

Where is whitewashing used?

Suitable for cosmetic repairs of any premises, both inside and out:

antiseptic and disinfectant properties make it possible to avoid the appearance of all kinds of harmful microorganisms, mold and rot, therefore lime is used for painting children's and medical institutions, farms, basements, industrial premises;
resistance to temperature changes and moisture resistance are important when repairing rooms with high humidity - baths and bathrooms.

How to whiten beautifully with your own hands: a step-by-step guide

To obtain a high-quality and durable coating, the following steps must be correctly performed:

Surface preparation

In order for the whitewash to lie flat and not crumble prematurely, the base for the coating must be thoroughly cleaned of the remnants of previous materials. Wash or treat particularly contaminated areas:

treat oily stains with a solution of soda;
wash the rust with copper sulfate;
wash the mold with whitewash.

All existing cracks and irregularities, then lightly sand.

Whitewashing is applied only to the absorbent surface, but if there is a coating on the wall that forms a film on the surface, then it will no longer be possible to cover it with lime.

Tool preparation

You can color with one of the following tools:

brush;
a vacuum cleaner;
spray.

When using an airbrush or spray gun, the paint will lay down in an even layer, and consumption will be more economical.

How to extinguish lime yourself at home

For whitewashing, only slaked lime is used, which can be purchased ready-made or carried out at home.

To do this, you need to take the material in the form of granules or lumps, place it in a clean metal container and pour cold water in a ratio of 1: 1. In this case, a very active reaction occurs, so it is necessary to close the dishes with a lid.

Do not use plastic utensils, as the mixture heats up to high temperatures during the process.

After the end of the reaction, mix the solution using a wooden device, close and leave in a dark, cool place for 2-3 weeks to improve the quality.

After settling, mix thoroughly, dilute with cold water at the rate of 1 kg of lime per 10 liters of water. Strain through a mesh to get rid of lumps and other inclusions. The finished solution should have a homogeneous, dense consistency.

The preparation of lime dough is similar, only you need to reduce the amount of water. For one serving of dry lime, you need to pour only 50% of water. Moreover, pour it in small portions, stirring constantly and not allowing the reaction to stop.

How to breed slaked lime correctly

Using slaked is more convenient, easier and safer. It is sold in the form of powder or lime paste.

To dilute lime and prepare for use, you need to take a clean large container, put lime powder or dough and dilute in small portions with cold water until the consistency and density of milk is obtained. For 1 kg of lime, you need to take 3 liters. water.

Work progress

Before starting work, cover all objects in the room with paper or film, as well as windows, floors, so as not to get dirty during work.

When applying white with an airbrush, strain the mixture through a sieve or gauze. Pour into the container, pump in air, adjust the nozzle for uniform spraying. If the paint does not spray, the solution must be further diluted with water and mixed. When spraying, keep the apparatus at a distance of 20-25 cm. The second layer must be applied after 1.5-2 hours.

For an even and dense coating, whitewash must be applied at least 2 times.

A very good result can be obtained with a brush. After dipping the brush, evenly apply white to the surface. After drying, proceed to re-coating: now the movements of the brush should be directed perpendicular to the first layer to avoid streaks and unpainted tails.

You can enhance the durability of whitewash by adding special substances:

soap and wallpaper paste will give the painting durability;
drying oil will protect against washing off when processing the walls of the facade;
table salt will give a special whiteness and will not get dirty when touched.

What color to choose for whitewashed walls

It should be borne in mind that lime is an alkali, so not all colors can be used, but only alkali-resistant ones. The coloring pigment is added to the already prepared composition. It must be remembered that the introduction of a large amount of paint will reduce the quality of the coating and shorten the service life, therefore it is difficult to get bright and difficult.

Lime whitewash is initially white, so when mixed with color, pastel shades are obtained. To give the desired shade, you can use several colors.

The final result will be visible only after complete drying.

Apartment design with whitewashed walls

Lime can be successfully used not only for processing utility and domestic premises, but also for creating interesting decorating solutions in modern design.

Painting the walls in white gives the interior space and airiness. The use of pastel shades will give sophistication and harmony.

Surface care

It is undesirable to wash the walls treated with lime when dirty, they can be cleaned in a dry way. If you need to clean small areas, you can use the crumb of fresh bread. Heavily soiled walls are best re-whitewashed.

Safety regulations

Extinguishing should be carried out only in open and free space.
To prevent contact with skin and eyes, be sure to use protective equipment: rubberized gloves, goggles, a closed suit, protect the respiratory tract with a respirator or mask.
Since the process of working with lime is not very clean, before starting work, cover all objects with a film.

Whitewashing with lime is a simple and profitable way, and the walls will fit perfectly into any interior.

Useful video

Whitewashing the walls with lime is a procedure well known to many ordinary people. She enjoys well-deserved confidence due to the fact that such a coating is one of the breathable and has an antiseptic effect.

You can do the work yourself, without involving specialists, and all the necessary materials do not require significant material costs. To get a high-quality coating, you need to know some of the features and subtleties of preparing the composition.

It is important to properly apply it to the prepared surface. Before you whitewash ceilings or walls, you must choose the basis for the preparation of the solution. It can be chalk or lime.

Lime resists the development of fungus

Despite the fact that the use of chalk is the easiest and most affordable way to prepare a composition for whitening indoor surfaces, lime is in great demand. This is due to the fact that walls and ceilings treated with lime whitewash are not susceptible to mold and mildew. The most popular composition for whitewashing walls is fluff. A white powder that has passed the quenching procedure and is ready for use after the addition of water and fixatives.

Modern manufacturers sell lime:

Slaked, supplied to the places of sale in the form of a powder or paste (dough).
Quicklime, sold in the form of granules or large lumps.

After pouring lime with water, close the container with a lid

For whitewashing, only slaked lime is used, for the preparation of which you will need:

water and lime itself, taken in a ratio of 1: 1;
clean metal utensils without chips and corrosion;
cover for the container;
wooden spatula for mixing the solution.

After quicklime is poured with cold water, it begins to boil, heating up to 130 ° C. The reaction is very violent, the liquid bubbles and splashes scatter in different directions. At this point, it is better to cover the container with a lid to avoid getting the mixture on bare skin.

It is impossible to use plastic dishes, since the solution heats up very much during the quenching process, and the composition can be mixed only after the reaction is completed. Now the container must be closed with a lid and put in a cool dark place for 20-25 days.

At the end of the specified time, the composition is thoroughly mixed.

Achieve complete dissolution of the granules

A thick white film should remain on the wooden spatula. The mixture necessary for whitewashing is diluted with cold clean water, achieving a homogeneous opaque composition. The approximate amount of the finished solution prepared from 1 kg of quicklime is 10 liters.

During quenching, all lumps and granules should completely dissolve in water, but before use, the contents of the container must be thoroughly mixed, and filtered through a special mesh before use.

The tool for whitening can be selected taking into account the wishes of the layman or the characteristics of the surface to be treated:

spray gun.

When working with an airbrush, the resulting mixture will have to be filtered through cheesecloth to remove even the smallest remaining lumps.

How to increase the stability of the solution

Soap will give the solution durability

To whitewash the walls with not only a high-quality, but also a durable solution, you will need to introduce some special additives into it. You can use ordinary laundry soap or wallpaper paste. Lime for whitewashing is used for application to facade walls.

In this case, it is necessary to protect the composition from the negative effects of precipitation and rapid rinsing. You can do it by introducing drying oil into the solution, which will repel moisture and help the whitewash stay on the walls for as long as possible.

The introduction of some additives into the composition of the whitewash will avoid shedding lime from the walls.

Surfaces whitewashed with lime tend to stain everything that touches them. This can be avoided by adding ordinary table salt to the solution.

Knowing the proportions allows you to achieve the desired effect:

lime and salt - 1 kg per 10 liters of solution; salt will help make the surface snow-white;
drying oil - 100 ml per bucket of whitewash;
laundry soap, rubbed on a coarse grater, poured with hot water, and then, during the preparation of the bleach mixture, a soap solution is added instead of water.

Sometimes craftsmen advise, instead of a small portion of PVA or wallpaper glue, to introduce carpentry glue into the solution. It is boiled in a steam bath and, before whitewashing the walls, it is added hot to the prepared lime whitewash. For more information on how to apply whitewash, see this video:

It is convenient to apply whitewash with a roller

One of the most popular recipes for making bleach composition:

5 kg of slaked lime;
100 g of crushed and brewed laundry soap;
50 g of wood glue;
10-15 g of laundry blue powder;
8 liters of clean cold water.

After mixing all these ingredients, they are poured with water, mixed thoroughly and allowed to brew for 5-10 hours. It can be applied to the surface with a roller, a special bleaching brush or a wide paint brush (maklavitsa).

Before you whitewash the wall with lime, you should make sure that it is intact, that there are no cracks or cracks. A thick lime whitewash will easily hide a microcrack on a puttied surface, but larger ones must be eliminated before work begins.

Work order

In some cases, whitewash can be sprayed onto the walls.

Whitening does not take much time and will not take much effort from the average person if it is done in accordance with existing rules. First of all, it is worth mentioning the need for preparatory work. All walls and ceilings that are planned to be whitewashed must first be puttied by applying putty in two layers.

After complete drying (after 12 hours), you can proceed to the surface with sandpaper. In the case when wood glue or PVA was introduced into the mixture for whitewashing, priming the walls is not required. The whitewash will keep for at least 5 years, without cracking, without crumbling, without staining the hands and clothes of the residents. For more information on the quick whitewashing method, see this video:

To paint the walls with high quality, cover them with two layers of lime

The composition is applied in two layers with complete drying. Before proceeding with re-whitening, you need to wait at least 5 hours. Properly prepared solution does not leave noticeable transitions and traces (streaks) from a brush or brush.

When working with a spray gun, it is important to prepare a mixture of the correct consistency and not spray it from a short distance. So you can avoid streaks and achieve a uniform distribution of whitewash over the surface.

In order for all layers to be of the same quality, you will have to constantly mix the contents of the container, preventing sediment from forming.