Putty for drywall how to choose. Putty for drywall joints: characteristics and varieties, which one is better to choose

Putty is construction material, with which the walls are leveled, defects are hidden (notches, cracks, seams, gaps). This article describes what finishing putty choose for drywall for painting and what primer to choose for drywall before puttying.

Manufacturers produce in two forms: dry powder or ready-mix in a container. They are also distinguished by composition: universal, cement, gypsum, polymer, finishing.

Type of putty Main Features
Gypsum The main component is gypsum. Color is snow-white, differs - elasticity. Easy to use, polished without any extra effort. Not moisture resistant. Suitable for rooms with minimal humidity.
Cement Based on cement. Moisture resistant, used for rooms with high humidity. Not afraid of temperature changes. Suitable for interior and facade walls.
Polymer eliminates errors on the walls. Most often used for finishing work. Suitable for painting.
Universal Compared to the above putties, it has high strength. Easy to sand. Finished walls are painted.
Finishing Works great for minor imperfections finishing stage. The applied layer should be thin. It is allowed to lay down 2-3 layers, but after each application the surface should be dried. Layers should not be more than 2 mm. Otherwise, cracks are possible. Finished surface smooth, no sanding required.

What putty to putty? How to choose putty? (video)

Dry mix or solution?

Before proceeding with the repair, it is necessary to determine the putty. Which is better cooked or dry? In order to understand, consider and compare both types.

The dry mix is ​​like a white powder in consistency. To receive you need to ready solution must be mixed with water. The proportions are indicated on the manufacturer's packaging. Plus dry look: you can choose the consistency yourself. It is necessary to knead right before applying to the wall, using a construction mixer.

Tip: to get a small consumption of material, you need to knead small portions. The dry mix has a long shelf life.

By pricing policy is an budget option. are present and negative sides: to craft it is necessary to spend extra time. It is necessary to mix the solution only according to the instructions. Otherwise, it might not work. You need to apply the solution quickly, as it is stored for a couple of hours in finished form.

The finished mixture is produced in buckets of different volumes. The main component is latex or innovative substances. They cost an order of magnitude more expensive than dry ones, but do not require cooking time. After opening, you can store long time. Distinguish between acrylic, latex, decorative putty. Apply to walls with a spatula.

Gypsum mix - the perfect solution for drywall

Today, all construction markets have a large selection of putties. But not all of them are ideal for working with hl. What putty to choose for drywall, kanuf or another? After all, the further quality of drywall depends on the chosen material.

Probably everyone knows that gypsum boards contain gypsum, which is the main material. So, gypsum putty is perfect for working with them. It should be taken into account that the gypsum material does not like moisture. Therefore, special moisture-resistant substances should be added.

Putty plasterboard ceiling for painting, can be done different material, but which one to choose? Quality work requires two types of mixtures. The first serves to eliminate seams, cracks, joints between sheets. The second is leveling the entire area at the finishing stage. Coarse-grained material contains the first type, fine-grained - the second, finishing.

Some manufacturers produce a generic type that does all the work. One of these manufacturers is knauf. What putty to choose for drywall on the ceiling, you can find out from the video. Now we know which putty to choose for drywall.

Features of cement putty

Cement mixture is considered the best sealing material for seams, cracks, joints. Moisture resistant, used in rooms with any humidity. Not afraid of temperature changes. There are several types of cement mixture:

  • decorative;
  • basement;
  • Facade;
  • Thermal insulation.

Produced in dry and liquid form. Suitable surfaces: wood, concrete, drywall, brick.

Polymer putty - the key to a durable finish


Masters prefer polymer putty. Elastic, even a beginner can handle it. The shelf life is 12 months. When working, you can take your time, in the open state is 24 hours. Adhesion to wood, concrete, stone. Does not crack after drying. Moisture resistant, putty bathroom, kitchen, balcony. Suitable for painting and wallpapering. There are types of mixture:

  • acrylic;
  • latex;
  • Two-component with additional substances;
  • polyester.

Thanks to such a variety of putty, everyone will choose the one that is not necessary.

Drywall plastering technology


To get started you need:

  • Stationery knife;
  • roller;
  • tassel;
  • Large, small spatula;
  • Mesh or sandpaper;
  • Putty mixture;
  • Primer;
  • Duct tape.

The work consists of the following stages:

  1. Seam priming, sealing with adhesive tape.
  2. Applying putty to joints, self-tapping screws.
  3. After drying, a second layer of material is applied.
  4. Grout sandpaper.
  5. Priming the surface with a roller.
  6. Apply the mixture in a thin layer.
  7. Re-prime and sand if necessary.
  8. Grinding with mesh or sandpaper.

The surface dries after applying the material.

Drywall is an excellent building material that many people use today. Products are relatively inexpensive, so they are available in any store. But, regardless of this, you should work with the material carefully, because it is fragile. To improve strength and decorative characteristics, drywall is often covered with putty. There are several types of such solutions, so it is important to take into account certain nuances of each of them when choosing mixtures.

Surface Features

Drywall is sheet material, consisting of a filler (gypsum) and an outer retaining layer (paper). The sheets have a smooth surface, which attracts many builders, as this speeds up the alignment procedure.

But the use of putty on top of such a product is mandatory.

This is due to several features of the material:

  • The ends of the sheets are thinner than the entire main canvas. Therefore, when joining several elements in these places, a small depression is formed. It can drastically affect decorative look finishes. Therefore, experts recommend filling it with special solutions.

  • Drywall fastening takes place on a previously prepared frame. But the base can also have small differences, which will not allow you to get a perfectly flat surface after docking. Sometimes the level of the sheets may differ by 1 cm. Correct this shortcoming It is possible only with the help of a full-fledged putty of the entire material.
  • Drywall has a weak strength, so installation may be accompanied by the appearance of cracks. Close up and strengthen these places with the help of solutions and a special polymer mesh.

Puttying drywall to one degree or another is almost always carried out, as it allows you to strengthen the structure and increase the strength of the upper layer of the material.

Types of putty

Putty is a mixture that is intended for leveling various surfaces and elimination of microcracks. Drywall can be coated with various compositions that differ technical parameters and operating conditions.

Depending on the purpose, putty for such materials can be divided into several subtypes:

  • Starting Lineups. They are used for the purpose of rough alignment of the bases. They are distinguished by the presence of large fibers, which do not allow to obtain a perfectly flat plane. use this species mortars for sealing large cracks, seams and other damage in places where the smoothness of the surface is not of particular importance.

  • Finishing putty. Materials characterized by a fine-grained composition perfectly align upper layer creating an even surface. But these products do not allow you to apply a thick layer, which requires preliminary alignment of the rough base. After drying, the mixture turns white, which allows it to be coated with paints or other similar mixtures.
  • Universal products. Compositions of this type are used to solve any problems associated with puttying drywall. Mixtures are not always suitable, as they have a rougher structure than finishing solutions, and this does not allow you to control the evenness of the protective layer.

Depending on the consistency of putty for drywall can be divided into 2 main groups:

  • Ready. Mixtures are sold in the form of semi-liquid solutions that can be immediately applied to the material. The disadvantage of such compositions is their high price and impossibility reuse product some time after opening.
  • Dry. Putties of this type are available as dry mixes. To prepare them, you just need to add a certain amount of water and mix thoroughly. Today, this type of product is very popular. Dry mixes can be used in parts, which allows you to control the flow.

If putties are properly stored, then their service life is practically unlimited. The advantage of dry compositions is also their low cost and availability on the building materials market.

Putty for drywall is made on the basis of various materials.

Depending on the composition, 3 types of such products can be distinguished:

  • Gypsum plasters. If the composition of the material includes gypsum, which is also present in drywall, then these products can be considered the most suitable for finishing such coatings. Putties are completely safe for humans, as they consist of natural ingredients.

The hardened solution is durable and fast drying. But gypsum absorbs moisture well, which can lead to the formation of cracks in the screed. Therefore, experts do not recommend using them in bathrooms and other rooms with high humidity

  • cement mortars. Putty is moisture resistant, so it can be laid almost anywhere. The material is also easy to carry high temperatures but takes a long time to dry. Experts recommend using cement putties in the bathroom or in the kitchen. To get a quality and even coverage, the mixture is applied in several thin layers that are easier to control.
  • Polymer putties are made on the basis of various polymers, which allows you to give the necessary physical properties material. Elastic acrylic putty has a high level of safety.

The product is universal, as it can be used in domestic and industrial premises. protective layer resists moisture well, which is very important for drywall, which quickly absorbs water. But it is used relatively rarely, since the material has a high cost.

Manufacturers

The quality of putty depends not only on its composition, but also on the company that produces it. The modern market is saturated with many options for these products, among which there are several main manufacturers:

  • Knauf. Putties of this brand are distinguished by an optimal ratio of price and quality. The company produces many modifications of solutions, among which are the Fugen and Uniflot models. The first type is made on the basis of gypsum. The mixture dries quickly, so it is very often used for gluing drywall sheets to other surfaces.

Uniflot putty is moisture resistant, as it contains cement. The mixture does not shrink, and is also characterized by high plasticity with a minimal likelihood of cracking.

  • Volma. The company produces materials based on gypsum. They are used to level sheets and seal cracks. The lineup represented by several brands that differ from each other in composition and physical properties.
  • Ceresit. Under this brand, many types of solutions are produced, which differ high quality and versatility. Particularly noteworthy are polymer-based mixtures.

How to choose?

Buying putty for drywall sheets is a difficult task.

To do right choice, there are several factors to consider:

  • Material quality. This characteristic depends mainly on the putty manufacturer. Therefore, before purchasing, it is advisable to read the reviews of builders about specific companies. In this way, you can choose the best value for money.

  • Operating environment. Many putties are intended for dry rooms. This often includes solutions based on gypsum. For unheated buildings, only a cement or polymer mixture is needed that can withstand temperature extremes and high humidity.
  • Finish quality. Wall surfaces can have large drops, requiring a thick layer of mortar. The best option here is gypsum or cement putty. If you only need to create finishing layer, then polymer-based formulations will do it best.

When choosing, one should also take into account the unevenness of the walls, which will affect the consumption of material. Many experts recommend puttying the ends with a corner. This technology requires the use of compounds that can qualitatively fix the product on drywall.

How to use correctly?

Before applying putty, it should be properly prepared. This applies only to dry formulations, since ready mixes after their purchase, you can immediately cover the drywall.

When mixing water and putty, you should follow a few simple rules:

  • Use only the proportions of water and mixture recommended by the manufacturer. This will allow you to get a solution of the desired consistency.
  • Add dry foods to liquids, not the other way around. When you add water, small lumps will remain under the mixture from below, which will be difficult to stir and turn into a homogeneous mass.

The technology for applying putty on a drywall sheet consists of the following sequential operations:

  • Primer. For such materials, special solutions are used that do not destroy the structure of the paper. If too aggressive mixtures are used, then the strength of the structure may be compromised.
  • Preparation for puttying. Sachala should check if the screws stick out over the drywall sheet. It is important that their heads are slightly recessed into the material. After that, you need to cut off the edge of the product at the joints of the seams to form a recess. This approach will further reinforce these areas.

Finishing ceilings and walls with drywall made it possible to simplify leveling processes to a minimum. But, as practice shows, even such an even and smooth material must be brought to a certain degree of evenness. Therefore, drywall puttying is a necessary and even paramount process when it comes to finishing painting or wallpapering.

The choice of putty for plasterboard

Let's start with the fact that the modern market offers a fairly wide range of putty solutions. But not everyone is suitable for drywall, so the question of how to putty drywall is one of the most important.

First of all, drywall sheet no wonder it's called that. Its structure is based on gypsum. And, therefore, gypsum putty is what is needed. True, in wet rooms it is better to use solutions with the addition of special materials.

Secondly, in the process of plastering drywall, two different mixtures must be used. One for sealing seams between sheets, the second for finishing alignment. Two solutions differ from each other in that the first is a coarse-dispersed variant, the second is a fine-dispersed one.

Currently, manufacturers offer a third type of plaster mortar - this is universal material, which is used both for sealing seams and for leveling the plane. For example, the Knauf company suggests using Uniflot or Fugen brand solutions.

In addition to purely gypsum putties, manufacturers offer other modifications of this mixture. For example, moisture resistant counterparts. They are best used in wet areas (kitchen, toilet, bathroom, showers and pools). There are also materials on the market that contain polymers. Excellent material with high performance, but more expensive than all the others. I would like to note that after applying this type of putty to drywall, there is no need to grind the leveled surface.

In principle, this is how you can answer the question of what kind of putty to putty drywall. Next - choose best option yourself and get started.

Puttying process

Initially, prepare everything you need to putty drywall. First of all, you need to find tools and materials.

Of the tools you will need:

  • two spatulas: wide and narrow;
  • roller and brush;
  • sandpaper.

From materials:

  • putty;
  • deep penetration primer;
  • reinforcing paper tape.

Seam sealing

It is necessary to start sealing the seams with their treatment with a primer. After it dries, the seam is completely filled with drywall putty. Please note that it is necessary to putty in such a way as to immediately close the areas along which the sheets were fastened with self-tapping screws.

While the leveling material has not dried up, it is immediately necessary to lay a reinforcing tape along the junction of the sheets. Therefore, the puttying of drywall joints must be carried out in sections. For example, they filled a vertical joint on the wall with a solution to the entire height of the ceiling, immediately applied the tape. And so on all the joints.

After sealing, an additional coating of all joints is carried out with another layer of leveling material. This layer should dry well. Then comes the sandpaper. With it, all areas treated with putty must be sanded.

Leveling drywall surface

So, the joints are sealed, it remains to level the GKL surface itself. Why putty plasterboard walls, if the material itself is very even? The thing is that when fastening sheets, a part of the plane is pressed in, so it turns out to be concave. The rest, on the contrary, bends. So these gaps need to be equalized. And, therefore, plasterboard putty over the entire area is a matter of paramount importance.

When it comes to cladding with ceramic tiles, these defects can be hidden. But when the finish is painting or wallpapering, then you can’t do without preliminary alignment.

So, you know whether it is necessary to putty plasterboard, now you can move on to the details of this process. Therefore, first of all, the plasterboard surface is treated with a primer using a roller. After drying, the putty is applied to the entire surface of the plasterboard structure with a not very thick layer. It is important to equalize differences here. As practice shows, one layer is always enough to get rid of defects. If the differences are large enough, then putty will have to be applied in two layers. But before that, the first dried layer is treated with a primer. And after it dries, a second finishing layer is applied.

It must be dried and then sanded with sandpaper. Before applying paint or wallpapering, the plasterboard surface is primed again.

To apply putty on drywall, two spatulas are used. With a narrow tool, the solution is pulled out of the container where it lies. Then applied to work surface wide spatula. It is important here to stretch the mixture along the working edge of the tool. After that, with a wide spatula, the solution is applied to drywall. Most often, craftsmen use transverse application of the material. Although in this regard, it is convenient for anyone.


So, we tried to understand the topic of puttying a plasterboard surface and answered the questions whether it is necessary to putty drywall and which putty to choose. As always, we invite you to discuss. Leave your questions and suggestions.

Anton Tsugunov

Reading time: 4 minutes

While creating drywall constructions, leveling ceilings and walls with GKL, it is important to strictly follow the technology at all stages of work, from creating a frame to puttying the surface of the sheets. Special attention it is necessary to pay attention to the joints of drywall, since improper processing of the seams will later lead to the appearance of cracks in these places, the joints will be visible through finishing and repair will be ruined. One of important conditions correct processing joints is to use not the usual finishing putty composition, but a special putty for sealing drywall joints.

Types of putty mixtures

According to the purpose of putty are divided into several types:

  • Starting - used for preliminary alignment. The main requirements for them are high adhesion to the base, strength and durability.
  • Finishing - applied under decorative coating. With their help, the smallest defects are eliminated, which allows you to get a perfect smooth surface.
  • Universal - it is advisable to use for amateurs when you need to level the surface with the help of one composition. There is no need to think about which putty to choose. Professionals prefer to use leveling compounds with subsequent finishing preparation.

Important! Regular finishing and universal formulations not suitable for grouting.

  • Specialized - designed for specific purposes, for example for. It is recommended to use drywall and putty mix, which are produced by one manufacturer.

Important! If for some reason you do not have the opportunity to use a special putty to seal the seams between the GKL, it is allowed to use a high-quality starting composition.

Putties for seams of well-known manufacturers

The complexity of the choice of putty is associated with a large variety and an excess of advertising. It is advisable to systematize brands in order to select the desired composition in accordance with the requirements and financial capabilities.

Specialized putties for sealing joints are produced in the form of dry mixes. They are stored in bags for a long time and are prepared only before use.

"Knauf Fugen"

Relative inexpensive putty, which allows solving many problems in interior decoration.

"Knauf Uniflot"

Putty "Knauf Uniflot" is a specialized super-strong waterproof mixture for plasterboard joints, surpassing all analogues in its properties.

  • Increased strength brings it to the same performance with the cement composition, however, the putty in question significantly surpasses it in plasticity.
  • Good adhesion, bringing this type of putty closer to synthetic glue, makes it possible to seal GKL joints with a semicircular thinned edge (PLUK) without the use of reinforcing tape.
  • The composition does not shrink and does not crack.
  • Perfect for sealing the most problematic transverse joints between plasterboards.
  • Suitable for rooms with any humidity. Despite the fact that the basis of the mixture is gypsum, the putty does not absorb water after drying, acquiring hydrophobic properties.

The color of the powder can vary from snow-white to gray and even pink: this factor is associated with the place where the gypsum was mined and does not affect the quality of the mixture.

Putty "Knauf Uniflot" is designed to work no longer than 25-30 minutes. After that, the solution solidifies. The hardened putty forms durable coating, and sanding it with sandpaper is difficult. The composition should be applied without shrinkage calculation, since the protrusions then have to be grinded for a long time.

Work order:

  • joints are filled, the composition is pressed with a spatula 150 mm wide;
  • after 50 minutes, excess material is removed, the surface is smoothed with fresh putty;
  • screw holes are also processed in 2 passes.

When self-chamfering at the joints, reinforcing paper tape should be used, as with other compositions.

The high cost of the Knauf Uniflot putty mixture is offset by the quality of the material. In addition, the sealed seam does not require a large consumption of it.

Dry mortar as a base contains gypsum enriched with mineral and chemical fillers. The putty has good adhesion. The working time of the diluted solution is 40 minutes.

Purpose:

  • sealing GKL and GVL seams;
  • elimination of cracks and potholes;
  • elimination of microroughnesses and obtaining a glossy surface.

Working rules:

  • the joint is primed;
  • then the first layer of putty is applied and the reinforcing tape is pressed in;
  • after hardening, a second layer is applied;
  • after hardening, it should be polished, for which a grater with a mesh is used.

The material is suitable for application to the entire plane of the sheet. A small grain size requires the application of a finishing layer in the future.

"GENFIR PG 35 MW"

Dry gypsum mix with additives. Before use, the base should be primed, otherwise the layer will settle. Solution keeps working properties within 2 hours. After solidification, cracks do not form. Putty is intended for dry rooms. Dry mixture is stored for 6 months.

Whether it is necessary to putty drywall under the tile, many people think about it before starting the repair. There is only one question here, this is the evenness of the walls, if the deviation is more than one cm, then of course it is necessary.

After that, you need to decide what is better to putty drywall. These are the questions we will talk about today. A video will also be presented in this article, in which you can figure out in more detail what is being done and how.

In building stores today there is a wide selection of putty mixtures. Here the question of how to putty drywall can be solved quite quickly.

There are so many of them that it is not immediately possible to understand which type is suitable for puttying drywall. Some are used for different options for finishing ceilings and walls, others for chipped cracks, and still others for decoration.

Gypsum putties

Thanks to their snow-white color, they are ideal for interior decoration constructions made of drywall.

But these are not all the advantages:

  • These mixtures have good ductility, which significantly increases their resistance to cracking.
  • Safe from an environmental point of view.
  • They pass air well, while absorbing excess moisture and releasing it in case of deficiency - into the room, thus, a favorable microclimate will always be maintained.
  • Used in the most different areas- for sealing joints or irregularities, as well as for leveling.
  • They have excellent adhesion to other materials.
  • Easy to sand and apply, dry fairly quickly.

But gypsum plaster there is also a drawback - it is forbidden to use it in rooms with high humidity due to high level the solubility they have.

cement putty

When analyzing the question of what drywall is plastered with, this type cannot be ignored. Mixtures made on the basis of cement are not afraid of sudden temperature changes, they seal well and level cracks, chips, seams, cracks, and do not let moisture through.

In their composition, the main binding material is cement, and aggregates (limestone, clay) and chemical additives give the mixture positive characteristics. These properties include high resistance and resistance to cracking.

Attention: All cement putties in their composition have a certain brand of cement, have a certain compressive strength and adhesion with other agents. Ask sellers for such characteristics in advance.

Polymer putty

On construction market the finishing material appeared not long ago. The polymer mixture differs from the previous ones in its long service life, good elasticity and its versatility.

Over time, of course, all types of putty crack, but polymer ones last the longest. It should be borne in mind that the price of such mixtures is higher than that of cement or gypsum.

What is the best way to putty drywall?

For this, all three types of putties described above are suitable, but not in every room. For example, if you have to putty a bathroom or kitchen, then it is better to use a cement or polymer mixture. But gypsum putty will not withstand changes in humidity and will crack.

It should be noted that all compounds can have completely different purposes:

Attention: there is one more important point: polymer, cement, gypsum putties can be sold as a diluted or dry mix. Which species to give preference will depend on the decision of the person. But experts advise buying universal dry mixes.

Why dry?

So, we figured out how drywall is putty. Now it is necessary to analyze the technical side of this issue.

Why prime drywall

The thing is that simple glue (like paint) is well absorbed into the cardboard itself. And if such impregnation gets to the inner layer, then cardboard, outer layer just deformed.

Primer coats create a moisture-resistant film that stops the absorption of paints or glue. After the primer is completely dry (it will take about twelve hours), you can begin to seal the joints.

Execution of work

As mentioned earlier, puttying is a rather painstaking process that should be taken very carefully (if in the end you want your surface to be perfectly even). Here everything is done by hand and then the price of the entire finish will be much lower.

We prepare the surface

If you do not attach importance to this point of work, then it is not right. The durability and quality of the coating will largely depend on this. Therefore, this should be taken seriously. There is only one instruction in the work, to do everything according to the technology.

At this stage, you will need to do the following:

  • Tighten the heads of the self-tapping screws that protrude to failure.

Attention: The heads should not be recessed into the drywall, they just need to be screwed on. Otherwise, holes will appear. If this happens, then unscrew the old screws and screw in their place new ones, but longer.

  • If there are delaminations from the filling at the place where the drywall sheets are joined together, then the paper should be torn off under the spine and cleaned with sandpaper. If this is not done, then the putty will peel off along with the paper and cracks will form.
  • Then it is worth expanding the joints on the sheets. Take a sharp paint knife, and, holding it at a forty-five degree angle, cut about five millimeters from the edge of the sheet. This will increase the adhesion of the putty mixture, which will make the adhesion much more effective.
  • After that, you can prime the surface. For work carried out with drywall, a special primer is sold. It must be diluted in a bucket and then applied with a roller evenly over the entire surface. The layer thickness should not be less than 0.03 millimeters.

Attention: Never use alkyd primers when working with drywall, because they lead to deformation of the cardboard layer. As a result of this, bubbles will appear on peeled paper, which will hang in tatters and crack. Under such conditions, you can forget about good adhesion with the finishing material.

Step by step work

At the very beginning, puttying of corners and screws is carried out (for this you can easily use a universal, as well as starting putty mixture).

  • Screws are puttied in a crosswise way, that is, across and along. This will help fill the grooves of the hats better, which will completely cover their heads.
  • As for the sealing of corners, everything is quite simple here: on the radius structures (on those that have bends), plastic couch, which is additionally attached with a stapler. A metal perforated corner is glued to a right angle (in this case, putty is also used as a fixing material). Corners are needed in order to seal difficult places the first time, without spending a lot of patience, energy and time on it.
  • Now you can start applying the first layer. This is done with a wide spatula, stretching the mixture over the surface. In this case, it is necessary to maintain the same layer thickness (this is approximately one to two millimeters).
  • After the first layer is completely dry, the entire surface is treated with a skin. This is necessary in order to get rid of the excess mixture.
  • Apply the next layer in the same way.
  • The next step is to apply the final putty layer. For these purposes, you can use finishing mixture. After that, we clean the entire surface with a fine sandpaper.
  • The last thing experts recommend is to once again treat the surface with a primer.

Sealing joints

At the very beginning, fiberglass mesh is glued to all corners. It is very important to ensure that the joint is located exactly in the middle of the sickle tape.

Only after that you can start sealing the joints between the sheets. To do this, use two spatulas: wide (thirty - thirty-five centimeters) and medium (twelve - fifteen). Putty must be applied evenly throughout the entire joint.

It is easier if you first pick up a small amount of the mixture with a narrow spatula, apply it to the joint, and then stretch the putty with a wide one to the maximum possible distance.

Attention: Dilution of putty (if a dry mix was purchased) is best done in small quantities, because it dries quickly enough. And the subsequent dilution of such a mixture with water will change all the original qualities. It is necessary to calculate the approximate amount of putty for thirty minutes of work - this will allow more rational use of the material for finishing. The instructions on the packaging will let you know about the desired proportion.

Conclusion

Now you understand whether it is necessary to putty drywall. Only after completing all the stages of finishing plasterboard structures, you can be sure that decorative trim after some time it will not peel off and will not crack, but will serve reliably.

Doing such work will give you a certain advantage: the design, if necessary, can be quite simply cleaned of old wallpaper and pasted with new ones, while there is no need to carry out finishing works. Our portal contains thematic video and photo materials that can answer questions that could remain.