Is it necessary to putty drywall under the wallpaper - a question that does not require proof. Puttying walls after plastering Do I need puttying

After leveling large defects, wall blockages and significant irregularities, they proceed to the final stage - leveling and strengthening the walls. With the help of putty, small scratches, transitions of plaster layers, chips and cracks, and all minor flaws in the rough finish are repaired. The puttied surface becomes completely suitable for wallpapering or painting.

Why putty walls after plaster

Special polymer and stabilizing additives are introduced into the composition of putty mixtures based on gypsum or cement-sand compositions, making the solution more plastic and slowing down its setting. Thanks to this, the putty is applied in a very thin layer, creating a perfectly even and smooth surface.

After the plaster has dried, it is not necessary to putty the walls just before laying tiles or sticking thick wallpapers. Small defects under them will simply not be visible, so the surface is only primed. In other cases, especially when painting or finishing with thin wallpaper, plaster is indispensable. After all, it is able not only to even out the smallest cracks, but also:

prevent peeling of plaster over time;
significantly improve the adhesion (adhesion) of walls with wallpaper and other finishing materials, they will hold on more firmly and will not peel off;
reduce the consumption of wallpaper glue and paint.

After what time can putty be applied

Cement-sand leveling mixtures fully gain strength for quite a long time - 4 weeks. But it is not necessary to withstand such a time after plastering. Cement gains 70% of its strength in a week. This is quite enough for applying putty and subsequent finishing, including heavy tiles. For example, Knauf Unterputz cement facade plaster 20 mm thick dries within 7-10 days.

Gypsum compositions set in 40-60 minutes, and dry completely in about a week.. For example, the popular Knauf Rotband, applied to the walls with a layer of 15-20 mm, can be puttied after 7 days. In a humid room or low temperatures, the drying time may increase up to 10-14 days.

Drying time also depends on the thickness of the layer, as well as the temperature and humidity in the room. The use of building hair dryers or the creation of drafts to speed up the process is not desirable - significant cracks may form on the surface during uneven drying, and over time the plaster will begin to peel off.

After drying, before puttying, the plaster must be sanded - using a special grater with a fine mesh or sandpaper, the wall is treated in a circular motion. In this way, small influxes of the dried mixture, traces of a spatula, and places where layers are applied are removed.

Do walls need to be primed?

Many people think that pre-priming walls is just a waste of money. However, if you want the future decorative coating to look perfect and last as long as possible, then the walls must be primed before puttying.

Primer that penetrates deeply into the pores:

protects the surface from peeling;
contributes to a more uniform penetration of putty, adhesives and dyes.

Priming solutions are also an excellent antiseptic that protects walls from fungus. In addition, they do not allow moisture, which contributes to its development, to penetrate too deep into the walls.

The choice of primers is quite large in the construction market, and manufacturers offer special types for each type of surface. To cover the walls after plastering, it is better to use acrylic, polystyrene or perchlorovinyl mixtures of deep penetration or universal compositions of medium porosity.

The walls must first be treated with a wet sponge to remove the smallest dust particles. You can primer both with a roller and with a brush - the roller distributes the mixture more evenly, and it is more convenient to apply it with a brush in hard-to-reach places. Also, for convenience and speed, manual sprayers are used.

Puttying is started only after the primer has dried. The time for its complete fixing is always indicated on the package and can vary from 5 to 15 hours.

What is better to putty?

The main requirements for compositions for interior decoration:

high plasticity;
ease of application;
ideal smoothness of the created surface;
affordable price.

Gypsum-based compositions - ideal for puttying inside the house. A feature of gypsum materials is their quick setting (40-60 minutes), ease of application and subsequent grouting.

The putty will hide the seams

Sealing joints

fasteners

Putty compositions

cement;
plaster;

Foundation Qualities

incombustibility;
low cost;

Before wallpapering, it is imperative to prepare the walls - prime them and finish them with putty. This allows you to achieve the desired level of surface smoothness. But what if you are going to glue wallpaper on drywall? Does it need to be plastered? The answers are in our article!

1 Drywall walls – are they that smooth?

Regardless of the quality and density of the wall covering, most often masters advise to putty drywall before wallpapering. Although some try to avoid this work. The sheets themselves are carefully processed, as a result, the surface of the product is really very smooth, the wall becomes smooth after sheathing with sheets. However, for wallpapering this is clearly not enough.

It is very difficult to fit two sheets of plasterboard with an accuracy of a millimeter

Seams are of the utmost importance. Not a single master will be able to perfectly fit two sheets of plasterboard with an accuracy of a millimeter. In any case, there will be a slight difference, and for wallpaper this option is absolutely unacceptable, since after pasting all the seams will clearly stand out against the general background. Another problem that manifests itself after the installation of drywall is fasteners. As a rule, the heads of the screws will stick out no matter how hard you try. The head should be flush with the surface of the drywall, but most often it turns out either to drown the screw too much or not tighten it enough.

If you are making a rounded wall, it is also better to putty drywall under the wallpaper. After all, with this installation, the GKL bends. The effect is achieved by piercing drywall with a special roller, after which the holes are thoroughly moistened. As in other cases, regardless of the professionalism of the work performed, the notches from the holes will be felt under any wallpaper, even the most durable.

2 Why is wall preparation so important?

As a rule, puttying is used in cases where the walls are characterized by a large number of cracks, protrusions, recesses and other mechanical defects. It should be understood that, despite the thickness and strength of the wallpaper, all the shortcomings that were described above will definitely manifest themselves some time after gluing. Therefore, experienced craftsmen recommend that it is mandatory to putty plasterboard walls before applying wallpaper to them. It doesn't matter if you choose non-woven or vinyl wallpaper, the absence of a putty layer will negatively affect the durability and quality of the paper coating.

The screw heads must be flush with the GKL surface

A very important point is that in the places where the GKL is attached to the frame crate, as well as in the seams, small voids are formed, which are filled with air. Even after pasting, the air will not disappear anywhere. Over time, a very unpleasant effect will be observed when the wallpaper gradually begins to move away in places where air masses accumulate.

It would seem, why then not apply a layer of putty exactly on those areas that promise the greatest number of problems in the future? Indeed, this will save a lot of time, as well as money on putty. However, there are some nuances here as well. First of all, it should be remembered that the surface of drywall is different in color from putty. Therefore, the treated areas will stand out clearly after the wallpaper dries. This is especially true for wall coverings in lighter and calmer shades.

You should also take into account possible future changes in the room. After all, if over time you dislike the current wallpaper, or you want to use other materials, for example, the same rolled fiberglass, then the old wallpaper will need to be removed. However, this is a very complicated procedure, since the top layer of drywall will come off along with the wallpaper. Naturally, such deformations of the upper layer of the gypsum plasterboard have a destructive effect on all its operational properties.

Here are a few more reasons that will convince you of the need to putty the walls before wallpapering:

Putty, especially applied together with a primer, significantly increases the reliability, durability, and durability of the surface.
There may well be defective sections of gypsum boards, which were obtained either during transportation or during construction work. However, puttying will completely mask any prominent places.
Drywall, as a rule, has a water-repellent surface. The consequence of this is problems with some types of adhesives that do not fit well enough on a wall sheathed with drywall. If you prime and putty the surface, then it will acquire the necessary level of adhesion in order to adhere qualitatively and reliably to any glue.

3 Putty for GKL - what is better to use?

So, we came to the conclusion that it is still better to putty the walls under the wallpaper. Now let's try to decide which compositions are best suited for these purposes. Putty is divided into start and finish. Preference should be given to finishing compositions, since the surface of drywall initially has the necessary level of smoothness. If suddenly there was no finishing mixture at hand, then the starting mixture will also suit you. The only difference is that the finishing putty is fine-grained, respectively, it must be applied in a thin layer, then slightly sanded.

When working with drywall, preference should be given to finishing compounds.

Work with starting putty is associated with some additional work, including subsequent grinding, it will be necessary to achieve the desired degree of evenness and smoothness of the wall. Regardless of the type of composition chosen, drywall must be primed without fail. You can only work with compositions intended for interior decoration. Putty for outdoor use contains many additives that increase resistance to temperature extremes and precipitation. However, such additives have a negative impact on human health due to the release of harmful waste into the environment.

When choosing a mixture for processing plasterboard walls, pay attention to its composition, as well as fillers. Usually, various polymeric components, gypsum or cement are used. For ordinary residential premises, gypsum-based putties are suitable. Their cost is somewhat lower. If you are going to use the mixture in rooms with a high level of humidity, then you need to buy a cement-based composition. The cost of goods in this case will be higher. Polymeric substances are universal, perfect for work in any room, although they are more expensive than all other analogues.

Dry mixes are more popular, due to their long service life - in a dry state, putty can be stored for a very long time. Difficulties can only be when mixing a substance with water, because the correct concentration is of great importance. Too liquid mixture is characterized by sagging and spreads over the surface. If not enough water is added, then the putty will begin to crack after drying.

Ready-made compositions can boast that they do not need to be stirred, but you can immediately get to work. However, they cannot be stored for a long time, the composition loses all its properties after a few days. Putty must be applied immediately after opening the container.

4 How to do the job - the subtleties of the process

To begin with, we check how well the fasteners are made, in particular, the screw heads. When puttying, it is better to make sure that the screws are below the surface level, rather than stand out above it. To check with a spatula, we draw on drywall, pressing it tightly to the surface. Any changes in the surface level, including screws, you will immediately feel. Such self-tapping screws need to be screwed deeper, and then proceed to the next step.

When puttying, you need to draw a spatula over drywall, pressing it tightly to the surface

Now stick the serpentine damper tape, which is made from fiberglass, over the seams. We prime the GKL, apply the first rough layer of putty and glue the tape to the seams, gently pressing it with a little effort. A solution appears through the mesh, which should be carefully smeared with a spatula. Appearing influxes should not upset you, after grouting there will be no trace of them. After the solution has dried, it needs to be sanded a little with a sandpaper or grater. This is followed by a layer of primer and putty again.

Experts recommend applying two layers of finishing putty to achieve maximum results. Naturally, all work is carried out only after the previous layer of primer or putty has dried. In this regard, it may take a lot of time, usually about three days. It is necessary to putty with good artificial lighting, which is located on the side. A powerful lamp is ideal for these purposes. It will allow you to identify possible flaws, as well as instantly correct them.

Having leveled the walls in the apartment with the help of drywall, many are wondering: is it necessary to putty drywall before wallpapering? After all, drywall sheets have a fairly flat surface on which the wallpaper will stick without any problems. But if you try to understand this topic in more detail, you will understand that plasterboard putty under the wallpaper will help to avoid many unpleasant moments.

Why do I need to putty drywall before wallpapering?

Drywall plastering is necessary for several reasons:

A wall sheathed with drywall sheets will still not be perfectly smooth. Sheet joints and fastening points with screws will be visible under the wallpaper, especially if they are thin and light enough.
During the installation or operation of drywall walls, which is a rather fragile material, various damages can occur. All of them will also clearly appear under the wallpaper.
It is necessary to putty the wall completely. There is a temptation to process only the joints and attachment points, but you do not need to succumb to it. Yes, it's faster and easier, but if you want to change the wallpaper? Without additional surface treatment, they will stick tightly to drywall. You will have to glue new wallpaper on the old one or change the drywall base after trying to remove the old wallpaper. Puttying and priming drywall will help to avoid these problems.

Preparation for putty

Before puttingty drywall under the wallpaper, the surface must be prepared.

At the initial stage, debris and dust should be removed from the sheets.
Check if the screws are screwed in correctly. The protruding fasteners must be tightened using a screwdriver.

Attention! If the self-tapping screw is screwed in too deeply, more than half the thickness of the sheet, then you will have to unscrew it completely. A new self-tapping screw must be screwed into the wall at a distance of at least 5 cm from the remaining empty hole.

To identify defects in the wall, it is necessary to draw a wide spatula along it. It should slide smoothly. Detected deep dents or scratches on the wall are sealed even before applying the main layer of putty.
Before puttying, the wall must be primed. The primer, preferably water-based, is applied by roller in one coat and allowed to dry. Acrylic primer for drywall under wallpaper will not cause warping of the drywall sheet, and after drying, it will provide reliable adhesion to the applied putty.

Usually drywall sheets have a chamfer along the edges. If it is missing, it is necessary to cut them with a knife at an angle of 45 degrees. The chamfer is needed for better processing of the joints, the putty layer on them should be thicker.

Also, all joints must be glued with a reinforced sickle mesh. It should be pressed a little into the recess, positioned so that the seam runs exactly in the middle of the tape.

Putty joints

First of all, all the joints of the sheets should be puttied.

For work, it is advisable to use narrow and wide spatulas. It is convenient to apply putty on the seam with narrow ones, and level it with wide ones.

Work is carried out from top to bottom. The composition should fill the seam completely, even protrude a little, since the putty shrinks when dried. After the walls treated in this way dry, the excess can be removed by grinding. If it is not possible to fill the seams in one layer, it is necessary to allow the composition to dry, and only then repeat the operation.

Putty corners

How to putty the corners of drywall? This is one of the most difficult stages, which involves the preparation of plasterboard structures for wallpapering. Walls can form internal and external corners and are treated differently.

To remove external corners, special elements are used. These are perforated corners made of plastic or aluminum. The former are used in the processing of curved corners, such as arches. With the help of rigid aluminum corners, right angles are displayed.

The corner is applied to the wall at the attachment point and circled with a pencil.
Drywall is cut with a knife slightly wider than the resulting contour, at a distance of 3 mm from the marking lines.
With a chisel, a groove is selected for the corner, which should also be slightly larger than the thickness of the latter.

The resulting recess in the wall is coated with glue or putty, and then a corner is pressed into it. At the same time, it should sink a little compared to the general level of the wall.
The solution that has come out through the perforation of the corner is leveled, and after drying, the corner is puttied flush with the wall.

The process is quite lengthy, but while one corner dries, you can do the rest.

Preparing drywall for wallpapering also includes the processing of internal corners.

Like seams, at the initial stage they are glued with reinforcing tape.
The sides of the corner are puttied alternately, using a special corner spatula.

Processing of GKL attachment points

When attaching drywall sheets, a large number of self-tapping screws are used. The depressions formed in the places of their attachment must also be leveled.

Tip: it is advisable to take care of the attachment points in parallel with the processing of corners and seams: during these processes, there is always a small excess of material that can be used to seal the self-tapping screws.

In this case, the putty should be applied with movements crosswise, this will help to achieve a smooth surface better and faster.

Plastering the entire surface of the plasterboard wall

In the future, the entire surface of the wall is covered with a thin layer of putty.

Some professionals advise diluting the putty mixture to a more liquid state and using a brush to apply.

After drying, the leveled surface is checked, for which you can use the building level. When applying putty on the wall, remember that protrusions are preferable to depressions, as they are easily removed by grinding.

The processing of drywall ends before wallpapering by grinding and priming the resulting surface:

The protrusions, sags and irregularities formed during the puttying process can be removed with fine sandpaper or trimming the reinforcing tape.
Then the surface must be cleaned of dust and coated with a primer.

After the primer has dried, you can proceed to the finishing stage of finishing - to glue the wallpaper.

Wallpapering on plasterboard covered with putty is very easy and gives a guaranteed high-quality result. And most importantly, with the subsequent change of wallpaper, you will avoid headaches, thinking about how to remove the old wallpaper coating - the canvases are removed from the puttied surface without much effort.

Puttying drywall before wallpapering - pros and cons

Almost any repair is not complete without the use of drywall. This versatile building material is capable of performing several functions, while its cost is low. With the help of drywall sheets, you can level walls, make multi-level ceilings, create partitions, built-in niches, you can also make a soundproof wall and much more. When performing interior work using drywall, it becomes necessary to process its front side so that the design of the room is beautiful and stylish.

Gypsum boards are used to level surfaces. Therefore, by sheathing the walls with such sheets, we obtain even areas to which external processing can be applied to complete the design of the room.
There are several types of drywall coating, but the easiest way that has become popular among people is to glue wallpaper on it. This option is easy to implement with your own hands and the cost of its implementation will be minimal.

Before you glue the wallpaper, you need to decide whether you need to putty drywall under the wallpaper.

Wallpapering after puttying.

Glue wallpaper on drywall without putty - cons

The surface of drywall, although it seems smooth, may have manufacturing defects and scratches resulting from installation. Wallpapering will make all these defects visible on the surface of the walls;
The joints between the drywall sheets will be translucent on the wallpaper, due to this the walls will appear uneven;
The fasteners that attach the sheets to the profiles can be translucent under the wallpaper, or they can rust, thereby spoiling the appearance of the glued surfaces;
If the selected wallpaper is in light shades, then the color of the plasterboard wall may show through them;
At the next repair, it will not work to remove the wallpaper strips from the walls without damaging the surface of the drywall. Since the top layer of drywall is cardboard, the wallpaper will stick to it very tightly, and if it is torn off, the top layer of the drywall sheet will be damaged.

Tips that you must follow when doing the work on pasting drywall with wallpaper with your own hands

If you decide to glue wallpaper on drywall without prior puttying, you must adhere to the following recommendations:

Before gluing, treat metal parts on drywall with an anti-corrosion agent;
It is advisable to putty the joints of drywall sheets;
Wallpaper choose dense, possibly bright colors, with an advantage with a heterogeneous texture;
Please note that if non-moisture resistant drywall is used, then it cannot be treated abundantly with glue, as it can get wet;
The joints of glued wallpaper strips should not coincide with the joints of drywall sheets;
For a durable wallpaper service, choose high-quality material so that they do not have to be torn off in the near future, thereby damaging the walls.

However, if finishing work on drywall is carried out correctly and efficiently, then its surface must be puttied before further processing. When making repairs with your own hands, you need to know how to putty drywall under the wallpaper.

The choice of putty

First you need to choose the right putty. For puttying walls, there are two types of putty:

Dry putty must be independently brought to the desired consistency. This can be problematic if there is no necessary tool for stirring the mixture. Also, such a mixture dries faster, so the work must be done quickly enough.

The finished solution dries more slowly and is easier to apply, but it is more expensive. Therefore, the choice of putty depends on the material possibilities.

When working, you will need two types of putties: starting (with a large fraction) and finishing (smaller, for the final smoothness of the walls).

Puttying drywall: how to do the job.

Stages of puttying drywall:

Treat the entire surface of the drywall sheet with a primer. It is good to prime joints, scratches, defects, if any;
The joints are glued with sickle tape and puttied;
The entire surface of the wall is putty, it is recommended to putty three times. Before each next time, the putty must dry completely;
Sand the surface with sandpaper until the wall is completely smooth;
Final priming. It is carried out for better adhesion of the puttied surface with wallpaper.

How to prepare drywall for finishing.

For people who make repairs with their own hands, let's take a closer look at the stages of puttying drywall.

For priming a plasterboard wall, you can choose an acrylic primer, it will protect against fungi and give good adhesion to putty. It is better to apply the primer with a wide brush in order to coat the entire surface well.

When puttying walls, you must have two spatulas: narrow and wide. Use a narrow spatula to pick up putty, and apply it to the wall with a large one. Glue the joints with reinforcing tape so that the wall does not crack later in these places.

Using a spatula to putty drywall.

After completion of puttying and complete drying, the surface must be sanded. However, do not rub hard with emery, so as not to remove the top layer of putty, otherwise you will have to start all over again. Before you start grouting the walls, it is advisable to wear a mask or respirator so as not to inhale dust.

After preparing the walls, you can proceed directly to wallpapering.

Thus, there are two ways to glue wallpaper on drywall: without pre-puttying the walls and with puttying. It all depends on the desired result and financial capabilities. The result that will be obtained by preliminary puttying of the plasterboard sheet will look better and more durable.

Pasting wallpaper on drywall after puttying.

Picture 3. Wallpapering on drywall after puttying.

You can glue the wallpaper without puttying, then you need to pay special attention to the quality and density of the wallpaper. It is necessary that the glued walls have a decent appearance for the longest possible period of time.
Preparatory work carried out before gluing requires a lot of time and work skills. However, don't despair, it's worth it. A well-pasted room with your own hands will delight and bring satisfaction from the work done for a long time.

Do I need to putty drywall under the wallpaper

Doubts whether it is necessary to putty drywall before wallpapering, need a reasoned consideration of the reasons for the consistent performance of this type of work.

This question may not apply to temporary buildings, in which it is not essential to maintain the appearance of the walls for a long time, applying liquid wallpaper or sizing a fiberglass finish that is only going to be painted for all 30 years of its service.

In other cases, the creation of such a layer before gluing the roll material plays an important role.

The practical value of putty

The putty will hide the seams

The replacement of traditional plaster with modern technology for sheathing the frame with industrial sheets creates a desire to further simplify installation.

Indeed, why putty plasterboard, if the glue conveniently and firmly connects the paper surface of the drywall with wallpaper?

A list of the main reasons for a careful approach to this stage of wallpapering preparation is as follows:

Metal corners protect corners from mechanical damage

Deviations of the plane from the standard up to 3 mm when installing drywall fragments are eliminated with putty.

The design contains metal parts (self-tapping screws, squares), which are recessed in the plane of the sheet. These irregularities need to be eliminated and, in addition, to protect the metal from moisture - over time, rust may appear on the surface of the finish.
The edges of drywall products are of various shapes, so they must be aligned with the main surface.
Sticking to a paper protective layer of drywall will not allow you to remove old wallpaper without damaging it. The application of a continuous layer of putty on the entire plane of the sheet will allow, in the future, instead of a major overhaul with the replacement of destroyed GKL sheets, to make the current replacement of the decorative finish.

Defects are found by running a wide spatula along the wall.

The detection of small defects in the surface assembled on the frame is carried out with a wide construction spatula. With a smooth sliding of its blade on cardboard, dents, impact marks, and scratches are detected.

The big rule and the building level reveal the curvature of the plane. Deep depressions on a plasterboard wall are sealed with a leveling compound before applying a continuous thin layer of putty.

Given the above circumstances, the question "is it necessary to putty drywall under the wallpaper?" will have an unequivocal answer "yes".

Sealing joints

The seams are closed in several stages using a mesh

Putty at the joints is a separate list of operations, since the entire cutting pattern will necessarily appear under the glued strips. During installation, it will not be possible to obtain the same surface plane, there will be slight differences, deflections, irregularities, temperature, vibration or displacement of fragments separated by gaps due to changes in air humidity.

In order to eliminate such shortcomings, the seams are not just covered up, but they do it in several stages with reinforcement with reinforcing tape:

The actions for sealing joints are carried out in the direction from top to bottom. The underlying layer is pressed with a spatula into the seam in order to fill it completely to the maximum penetration depth.

In the process of drying, the putty will shrink, so it is applied in a thick layer. The protruding residues can be removed by grinding after hardening.

Drown the heads of the self-tapping screws in drywall

Self-tapping heads, squares, leveling the perpendicular mating of the coating, must be immersed in drywall.

The installation site of the corner on the wall is first marked in the right place with a pencil. Drywall is cut with a sharp knife 3 mm wider from the resulting contour line.

The recesses from the fasteners are puttied after sealing the seams.

Putty compositions

To carry out the work, you need to choose the right materials. Before applying the putty, the sheets are treated with a penetrating primer and allowed to dry for 4 hours.

According to their purpose, putty compositions are divided into starting mixtures and finishing ones. The starting one is used for the initial preparation of the surface being processed for the finishing coating. It has good adhesion, confidently seizes on other materials. A smooth outer surface is achieved using finishing ready-made solutions.

These materials are produced for the production of both external and internal works. The quality directly depends on the cost of the material - a low attractive price indicates the possibility of the same quality of the components used for production. In addition, inexpensive mixtures show increased consumption, which does not result in cost savings.

Dry mixtures are diluted before application

The putty mixture is sold in the form of a dry powder, which is diluted with water or in ready-made measuring containers. The peculiarity of the liquid composition is the need to spend it in a fairly short time.

Finished putties from well-known manufacturers are manufactured in the factory in compliance with the technology, have the required dosage and consistency, which is important for the quality result of the entire puttying process.

According to the choice of the main component, they are divided into 3 types:

cement;
plaster;
polymeric. For more information on how to putty the GKL base, see this video:

When applied to GKL, it is permissible to use different compositions depending on the conditions of the room. For the bathroom, only cement-based putty is used. Polymer compositions are quite versatile, but have a high cost.

Foundation Qualities

The resulting base should ensure an even fit without bumps of the finish

When deciding whether it is necessary to putty drywall under the wallpaper, it is worth considering the merits of the material itself, which is better protected and preserved for long-term operation.

The material has become so popular in construction for its distinctive qualities:

environmental cleanliness, safety for the health of residents;
incombustibility;
ease of installation work;
low cost;
ease of processing for any solutions;
strengthening heat and sound insulation of the room;
minimum preparatory work for any finish.

Sheathe a wall, level the surface, change the layout, put an additional partition - just do it yourself with the help of plasterboard.

Which is better: GVL and drywall on the walls

Painting drywall without putty

Which is better: plaster or drywall for walls

Do I need to putty drywall under the wallpaper: the type of materials used, wall puttying and wallpapering

Is it worth sticking wallpaper on clean drywall or would it be better to cover the surface with a layer of putty in advance? A similar question arises if the repair is done by hand and at the same time I really want to cope with the task quickly and at minimal cost.

It would seem, what is the problem? Wallpaper is, in fact, paper and GKL are covered with paper, which means that it will be good to stick paper to paper. But there are several nuances that should be taken into account when making the final decision to carry out finishing work.

Surface for putty

Type of materials used

In the photo - moisture resistant GKL

Despite the fact that drywall appeared relatively recently in the post-Soviet space, it managed to become one of the most sought-after and popular finishing materials. Currently, two main varieties of this material are on sale, namely, the usual and moisture resistant modification.

As the name implies, the usual modification is used when decorating rooms with a normal level of humidity, while the moisture-resistant type of drywall can be used where the level of moisture in the air is excessive (bathroom, kitchen, balcony, etc.).

In addition to different operational features, ordinary and moisture-resistant gypsum boards behave differently when wallpapering. For example, the surface of ordinary drywall provides good adhesion due to the fact that it absorbs wallpaper paste. The moisture-resistant modification of the GKL is less inclined to absorb the glue, and therefore the adhesion of the wallpaper and the surface is insufficient.

The lack of adhesion can be compensated by a layer of putty. The putty adheres equally well to the surface of any drywall, and the wallpaper on an even layer of such a finish also demonstrates optimal adhesion.

Another important point is the type of wallpaper used. For example, it is dangerous to glue thin wallpapers on drywall because they will shine through. As a result, on the walls, in addition to the pattern on the wallpaper itself, the markings applied to the plasterboard from the factory will be noticeable.

There is a high probability that through thin wallpaper transitions from raw drywall to joints smeared with putty will be noticeable.

Without puttying the surface of the walls, you complicate the following repairs

However, there is a more important reason why it would be better to putty the surface before installation. The fact is that even high-quality wallpaper, regardless of their modification, can get bored over time. And if you plan a redecoration, you will surely face the problem of dismantling the old coating.

If the wallpaper from a pre-putty surface can be removed without much difficulty, then the same material pasted directly onto drywall is much more difficult to remove. As a result, fragments of old wallpaper will remain on the surface of the plasterboard or the plasterboard structure will be damaged in general and repairs with mandatory puttying will be required.

So, what conclusion can be drawn from all of the above? To the question of whether it is necessary to putty drywall before wallpapering, there is no universal answer. But, if you need maximum confidence in the optimal result of finishing work, it would be better to putty, sand and prime the surface.

We putty the walls quickly and efficiently

Universal putty, the price of which is justified by the quality

After we have decided that puttying the walls is not superfluous, we will consider what the instructions for finishing work are. Since we putty the walls under the wallpaper, gypsum mixtures intended for finishing should be used.

To carry out the planned work, you will need the following tool:

a clean plastic bucket with a volume of 10 liters;
low-speed drill and a special nozzle for mixing;
spatula wide and spatula narrow;
a rule with a length of at least 1.5 m;
grater with clamps and sandpaper with zero grit.

From the materials you will need:

dry mix for finishing plasterboard;
mesh tape for sealing joints;
acrylic primer;
water.

In the photo - the distribution of the layer of putty

Finishing work is carried out as follows:

The surface of the GKL is carefully dedusted and primed.
After the primer has dried, prepare the putty mortar in accordance with the manufacturer's instructions.
With a small spatula, we collect the solution and fasten the mesh tape over the gaps.
Then we fill the recesses for the self-tapping screws with a solution.

It is important to proceed with subsequent work only after the applied putty has dried.
Thus, it will be possible to avoid the occurrence of bumps and cracking.

Next, with a small spatula, apply the solution along the entire length of the large spatula and spread it evenly over the entire wall. As a result, the thickness of the putty coating should be no more than 1-2 mm.
After applying an even layer, we wait from 2 to 4 days until everything dries, after which you can start grinding.

Important: When grinding, a lot of fine dust is generated, so the use of a respirator will be very helpful.

Summing up the above, we note that putty will delay wallpapering for no more than one week, but in this case, the waste of time is fully justified.

We glue the wallpaper correctly

Applying adhesive to the strip

Wallpapering on drywall begins with surface preparation. To do this, the pre-putty wall is carefully primed in two layers with the time interval necessary for each layer of the primer to dry out.

If the installation of drywall structures was carried out with high quality and in accordance with technological requirements, then wallpapering will not become something difficult.

We will need the following tools:

a special rectangular container in order to dip the roller into the glue;
a clean plastic bucket for preparing glue;
roller with an average pile length;
brushes (narrow for gluing corners and wide for working at the junction of walls and ceilings);
sharp mounting knife;
wallpaper brush.

Let's get to work:

We prepare glue in the proportions specified by the manufacturer.
We try on the wallpaper to the height of the wall.
We spread a strip of wallpaper on a previously prepared surface.
We cover the wallpaper with a thick layer of glue and leave it for a while so that the base has time to soak.
We cover with glue a part of the wall with a width of 10 cm more than the width of the roll.

Important: Gluing can be carried out end-to-end or overlap, but, one way or another, we start from the window towards the door.

We unfold the first strip and glue it so that the margin at the ceiling is 20 mm. At the same stage, we check the perpendicularity of the horizon line strip.

Important: Regardless of how smooth the walls are and no matter what the method of gluing, about a third of one roll will be spent on fitting and on the forced overspending of wallpaper per average room.

In the photo - gluing the strip and smoothing with a wallpaper brush

After the strip is applied, smooth it with a wallpaper brush, first from top to bottom, and then to the sides to disperse the air.
Next, we cut the strip along the floor line and make cutouts for sockets and switches. Such work is carried out when the power supply is turned off.

Now you will find out whether it is necessary to putty drywall before wallpapering, as well as how to work with putty and how to glue wallpaper. It remains to purchase the necessary materials, prepare the required tool and get to work.

How to make a drywall screen for a bath with your own hands?

Before starting repairs at home on their own, a person must solve a number of questions for himself. They can concern not only what I would like to change in the interior of the house, but also the repair technology itself. After all, people always strive to do repairs correctly, so as not to regret later.

After you have removed the old wallpaper, the question arises: is it necessary to putty and prime the walls before sticking? It is safe to say that this treatment will help to achieve an excellent result and protect the walls from the harmful effects of external factors.

The days of plastering walls and using newspapers are long gone. Nowadays, people are increasingly treating surfaces using new technologies using drywall, primer and putty.

Getting Started

The primer is an excellent material for protecting the wall of the house from mold and fungus. In addition, it has antiseptic properties and helps finishing materials cling well to the surface. Walls must be primed if there is a desire to make them even and remove all roughness.
It should be noted that the application of putty is carried out only after priming the walls.(and after it it will be necessary to prime the surface again). First of all, puttying the walls is necessary in order to level the surface and give it a solid white color. This action helps to avoid translucence of dark concrete through the wallpaper coating, especially when the wallpaper itself is quite thin. To obtain a sufficiently even surface of the wall, it is advisable to apply putty in no less than two layers.

Detailed material on surface preparation for wallpapering.

Drywall needs to be puttied completely!

Sometimes, people think, is it worth it to putty plasterboard, because it is already perfectly even? And that's right, you can only putty the seams and start gluing. However, it should be borne in mind that the wallpaper in this case will stick tightly. And when the time comes to change the wallpaper, it will be necessary to glue them on top of the old ones, since they can only be torn off together with pieces of drywall. To avoid such an unpleasant situation, it is advisable to pre-putty drywall.

As you can see, finishing works not only help to achieve perfect alignment of the walls, but also give them additional protection from external factors. Priming procedures are not so difficult. Everyone can perform them, armed with only the necessary tools. Wallpapering will certainly please the owner of the house with its result, if all the rules for preparing for it have been strictly observed.

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Discussion:

It is a must to spat! No other way! Plus priming. We prime the drywall, then putty, sand it. We remove all the imperfections, where we need to putty (we remove all the shells, scuffs, scratches from the spatula), where we need to sand again. Next, primer, wait for the finished surface to dry. And glue the wallpaper!
For pasting heavy wallpaper, you need to pick up putty, which is designed for heavy wallpaper. Usually on the packaging of putty, it is indicated where to apply and on which walls. Good luck!

Hello! Tell me please? If heavy (dense) vinyl wallpaper on a non-woven or paper basis (duplex) is glued onto drywall, is it necessary to putty the entire surface of the drywall? After all, such wallpapers can only be removed the first layer, and the second (white interlining or paper), on the contrary, is recommended to be left to strengthen the wall and stick new wallpaper?

We have such a problem doing repairs in the village, where the putty dries for a very long time ... and there is no time to sit there for a couple of days .. Please tell me whether it is necessary to putty the walls (we have drywall) before gluing the wallpaper

We have a small old apartment with stove heating where there wasn’t even a soul, that is, a very small toilet, my husband solved this problem, but then his hands dropped. The wall began to crumble in the toilet. Soon you will see the neighbors.

During the repair, we completely puttied - it's not even that after the wallpaper will be torn off along with pieces of drywall, but also that after sticking the wallpaper, dark places are visible - where there is no putty, and light, where there was putty - the joints of drywall sheets. Therefore, of course, it is better not to be lazy and putty.

As for whether it is necessary to putty drywall, I also wondered this question. Then it turned out that the wallpaper would be removed along with the drywall paper. Another point is that drywall does not always create a perfect plane.

Hello Valentine! It is possible to prime in advance, but so that the walls do not have time to become dusty (so it is not worth doing a primer a week before the start of the repair).
It is best to prime the surfaces a day before the start of work, although nothing bad will happen for a period of 2-3 days. Moreover, many people who glue wallpaper on their own do not even know about the need to prime the walls. And nothing, somehow the wallpaper is holding!

hello! We have a question. The walls in the new house are prepared - you need to glue the wallpaper, but before that they say they need to be primed. Can we prime the walls in advance or should this be done immediately before pasting on the same day?

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When you start a renovation, you want to do it as soon as possible. Indeed, why spend so much labor and money on leveling the surface of the wall with putty, if it is still not visible under the wallpaper. The walls and ceiling during the repair go through three stages of finishing. The first is preparatory. Old wallpaper, whitewash, old putty and crumbling plaster are removed from the surface. In this case, one should not feel sorry for the unreliable layers on the wall. It is better to scrape off the excess, so that later you do not contemplate the wallpaper lagging behind the walls. The second stage is the initial finishing. This is the alignment of the walls according to the level and putty. At the end of the finish, wallpaper is glued or the walls are painted.

If we limit ourselves to the last stage, then soon the wallpaper will swell or fresh paint will fall off with the old whitewash. Therefore, before applying a new coating, the old layer is removed. Why is it so important to level and putty surfaces? Sometimes under the new wallpaper there are bumps or even cracks. And if the wall is uneven, then the seams will diverge when dried. And in general, it is not known what other "surprises" an untreated surface can present.

Alignment of walls under wallpaper with putty

Aligning the walls under the putty wallpaper is necessary so that the wall is perfectly smooth. Then both the wallpaper and the paint will lie flat, without air bubbles. Putty masks the flaws of the primary plaster. It evens out potholes, scratches and other wall defects.

Puttying and leveling are two different things. Putty does not level, but only makes the walls smooth. Alignment is carried out at the first stage of finishing - plastering. Without it, the repair looks sloppy. After removing the old layer of finish, the surface is primed. This layer fastens the texture of the material, prepares for further work. Even if the walls are smooth, but bumps are noticeable in the corners or at the junction of the wall and ceiling, fresh wallpaper or paint will not look good. Skirting boards and ceiling moldings will immediately “give out” irregularities. Gaps and bulges will be noticeable at the last stage of work. And nothing can be fixed. Therefore, everything must be done with high quality at once, step by step. We will omit the stage of leveling the walls with plaster. It is done using the building level. You can't do without the help of a professional builder. But you can try to do the leveling with putty with your own hands. This type of finish is necessary for any wall texture - foam, concrete, gypsum, and so on.

The cost of puttying walls for wallpaper depends on the material. It is chosen for each type of surface. The consumption of material is also taken into account. If drywall is plastered, then only the gaps between the sheets will have to be sealed. If you hire a master for this work, then he will have to pay 80 rubles per sq. m. More putty mixture will be spent on an uneven concrete wall. If you have to gradually apply several layers, the cost of work can increase to 200 rubles per sq.m. This is a laborious and long process.

Puttying concrete walls under the wallpaper is necessary. Small scratches and chips will be visible due to the accumulated air in them. And the seams between concrete slabs require careful sealing and leveling in several steps. The layer of starting putty can reach 1.5 cm. Each subsequent layer requires complete drying of the previous one. This is a prerequisite. Otherwise, cracks or delamination may occur.

In order for the rough putty to hold better and be as even as possible, use a paint grid.

Finishing wall putty for wallpaper

This stage of finishing works makes the surface perfectly smooth, such leveling is required by the technology of puttying the walls for very thin wallpapers or wallpapers with special textures, this is not required for most ordinary ones. The mixture is applied in a thin layer with a metal spatula. It will not mask cracks and pits. At this stage, alignment is no longer done. The mixture for facing works is made semi-liquid, applied in small portions and leveled with a thin layer. After drying, the wall is sanded with fine sandpaper.

Compositions for work are sold in dry and liquid form. By diluting dry mixes, you can achieve the desired consistency. But ready-made compositions save time. You need to prepare the mixture in small portions. She freezes quickly. You need to work hard with it. Mix it in a clean bowl. There should be no impurities or inclusions. They may show through after drying on pasted wallpaper.

Accurately observed wall alignment technology for wallpaper will give good expected results. Cracks will not appear on the walls, wallpaper and paint will lie flat. Repaired walls will look good for many years.

Puttying plastered walls under the wallpaper is required. From time to time, the plaster cracks in places. Old putty dries and crumbles. It needs to be completely removed and puttyed again. Bumps and bumps on plastered surfaces are common. Aligning them with a putty mixture will allow the wallpaper to lie flat. Indeed, in the light, every roughness on them is very noticeable.

Practical Tips

application of the solution is done in semicircular movements
start work from the corner to the middle. To perfectly align the corner, use an angled trowel.
apply the solution on the wall from the bottom up, and remove the excess mixture in reverse
apply the solution in a strip on a large spatula. Remove excess with a small spatula.
at the bottom of the wall, do all the actions from the bottom up
If small air bubbles or irregularities appear during work on the final cladding, do not touch them. After drying, remove with sandpaper.
be sure to check the expiration date of the mixture in the store. Expired putty is not used. The storage conditions of the material can also affect its quality. The dry mixture must be homogeneous and free-flowing.
for finishing putty, buy a mixture based on gypsum. When applying it to the wall, the layer should not be more than 5 mm.

With smooth walls, you won't have the hassle of wallpapering or painting. They don't just look pretty. It's a pleasure to work with them.

Anyone who has ever encountered, knows perfectly well what "ideal" walls are in our homes. These are solid pits, tubercles and cracks. If the defects are very large, then you can’t do without it, and to correct minor surface flaws, you can use a special putty. In today's article, we will look at what kind of composition it is, its types, in what cases it is used and how to properly putty walls and ceilings.

Read in the article

What is putty, and why is it needed

Putty or, more correctly, putty (from the name of the tool “trowel”) is a fairly plastic finishing material that is used to eliminate surface defects, as well as create a durable and strong base under or. The preparation of walls or ceilings consists of several stages, and each of them requires its own type of this building and finishing composition.

Dry or ready-made putty mixture, which can be starting, finishing and universal, consists of the following main ingredients:

gypsum;
various fillers;
plasticizers;
thickeners and hardeners.

Types of putty

As we have already mentioned, finishing work using puttying is carried out in several stages, and each of them needs its own type of special mixture, namely:

starting putty designed to eliminate surface defects and is the basis for decorative walls and ceilings;
finishing mix used to create the final decorative layer;
universal putty Can be used as a starter and finisher at the same time.

Putty Perfekta Start Glide

Putty Weber KR

Putty Perfekta Ecocraft

What spatulas are needed for puttying walls and leveling corners

Spatulas are used in many types of construction and finishing works, and each needs its own tool. They differ in size and shape. The table shows the main types of spatulas with an indication of their purpose.

Spatula type	Work in progress	Type and features of the tool
	correction of defects after applying the primary layer of starting putty; sealing cracks and small depressions; decoration of structures of complex shape; sealing of joints (GKL).	The spatula is trapezoidal and usually has a wooden handle. Differs in small thickness of a working plate, has an elastic and flexible edge from stainless steel.
	The spatula is used to perform interior decoration as an auxiliary tool.	trapezoidal shape of the working surface; the blade is inflexible, as it is made of carbon steel; working surface width - 300−600 mm.
	The tool is used for puttying external and internal corners.	It is a metal plate bent at a right angle and equipped with a handle.

What wall putty is best to use when leveling surfaces

In addition to the fact that putty is starting, finishing and universal, it also differs in composition. So, putty mixtures are:

acrylic - used for interior finishing work. This type of putty is highly moisture resistant and versatile, protects walls from moisture, and is also used to create a decorative finish layer and is suitable for working with wooden surfaces;
water-dispersion - has high elasticity, good adhesion, resistance to cracks and shrinkage, and is also durable;
oil-glue mixture. The putty composition is made on the basis of drying oil and is ideal for creating a finishing layer before painting the surface with oil paints;
cement putty great for working with, stone and surfaces in rooms with high;
gypsum mixture used for work in rooms with a low level of humidity .

Why putty is needed - different for each layer

It is inefficient to apply any putty in several thin or one thick layers, since the material is expensive, and drying will take a lot of working time. Therefore, to eliminate significant defects and level the surface, they are used, after puttying, a starting (1–3 mm) and finishing (up to 0.5 mm) layer is applied. To create a high-quality and more durable finish, it is necessary to use materials from one manufacturer.

Starting putty (plaster) helps to create a solid base for subsequent finishing

Plaster KNAUF Rotband

It is possible to apply only one finishing layer only on a quality surface. Before puttying a wall or ceiling, it is necessary to use the starting putty composition. After drying, it is sanded, dust is removed and covered with a finishing layer.

Putty DANOGIPS Dano Top 5

The surface that will be subsequently painted must be brought to a perfectly even and smooth state. If the wall is finished for subsequent pasting, then it is enough to use the starting putty.

Wall and ceiling plastering technology

Puttying - the process is not as complicated as it might seem at first glance. To perform the work qualitatively, you need a certain experience, which can be acquired over time. In order to independently learn how to putty walls and ceilings, you must follow the instructions that will be presented below.

Surface preparation and priming

Before you start finishing the walls and ceiling with putty, you need to clean the surface of the old coating, grease stains, dirt and dust. After that, the surface must be treated with a special primer, which will create a good adhesion of the finishing material and the wall. Priming is carried out with a roller, avoiding gaps, and the wall is left to dry for at least 24 hours.

How to cook putty

To get a high-quality finished putty, you must follow the instructions that are indicated on the packaging by the manufacturer of the finishing material. To prepare the solution, you need a clean plastic container of the appropriate volume. You will also need an electric drill with a special metal whisk for high-quality mixing of the dry mixture with water.

The putty solution is prepared in the following sequence:

Pour ¼ of clean water at room temperature into the container.
Gradually pour the required amount of dry mixture.
Using an electric mixer, stir the putty until a homogeneous mass.
Leave the finished composition for 10 minutes for proofing.
Mix the solution thoroughly again.
The consistency of the finished putty should be similar to thick sour cream. If the solution is thicker, then it will adhere worse to the surface, and the liquid composition flows off the spatula and forms sagging on the treated surface.

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“At one time you need to prepare the amount of solution that the master can use up in about 40 minutes.”

Primary leveling of walls with putty

Before leveling the walls with putty, you need to check them using a rule that will allow you to identify bumps and depressions. Having identified significant defects in the form of protrusions, you can cut them down with an ax or a puncher with a chisel. Next, you need to prime the walls and only after that prepare the putty composition.

First you need to make a small amount of putty in order to determine the speed of work. Using a narrow spatula, evenly apply the prepared mortar to a wider one, which is applied to the wall at an angle of about 60˚, and stretch it over the surface to be treated. The tool must be held firmly, but without excessive force. Over time, you can learn to control the pressure on the spatula.

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“Putting walls should start from the corner of the room. For this, a special angle spatula is used.

After the walls are plastered, you need to let them dry for 2 days. After drying, the quality of the work will be visible and where additional finishing is required. Irregularities are detected by the same rule. After that, the elimination of defects is performed in two ways:

If there are depressions on the surface, then they are filled with another layer of putty.
If there are bumps, they can be removed with a special grater with an abrasive and a perfectly flat surface can be achieved.

After the surface has dried and the imperfections have been eliminated, the walls are primed, and you can start applying finishing putty or gluing.

Puttying the surface with beacons

The better the base, the less finishing putty will go away and, accordingly, the repair will cost less. To obtain the perfect surface, special perforated profiles are used - “beacons”, which allow you to quickly and accurately align the walls, which is perfect for beginners.

The metal profile is installed on a sand-cement mortar, focusing on a plumb or building level and achieving an ideal vertical. The distance between the beacons should be 100-150 mm less than the length of the building rule used. After installing the beacons, you need to let the solution dry so that they do not go astray during the subsequent finishing with putty.

Prepare putty (described above) and fill the gap between the beacons with it, and the maximum layer thickness does not matter. Relying on the profiles, stretch from the bottom up, cutting off the excess solution and, if necessary, filling the cavities with it. The operation is performed several times until the desired result is obtained. Depending on the temperature, humidity in the room and the thickness of the layer, it sometimes takes more than a week for the putty to dry.

How to putty on the wall for the finishing layer

After the walls are prepared accordingly, you can proceed to finishing the surface with finishing putty. To do this, use compositions, dry or ready-made, which, after processing, acquire a flat and perfectly smooth surface. The finishing putty is applied in a thin layer, and the smoother the base, the less the consumption of the solution will be. The technology of puttying and sanding is practically the same as working with starting mixtures.

We bring to your attention a video on how to apply finishing putty on the wall:

Drying, sanding and sanding plastered walls

The final stage of finishing work with putty requires a serious attitude and consists of several stages. One of them is sanding, which is often overlooked by inexperienced finishers, but first things first. So, after applying the finishing layer of putty, you need to let it dry well, because it is after this that the smallest defects become noticeable, namely cracks, which, if they occur, must be repaired.

Advice! To detect defects during puttying, it is necessary to use lighting devices with a powerful bright lamp and directed at a slight angle to the wall to be treated.

After the putty has dried, you need to sand the surface to remove small bumps and sagging, and also to make the wall perfectly flat. If it is supposed to paste over the wall, then it will be enough to sand it well, and in case of painting, additional grinding will be required. To bring the surface to a perfectly smooth state, you can use sandpaper with a fine (almost zero) fraction or an abrasive mesh.

You need to start grinding from any upper corner and, making circular movements, process the wall, highlighting with a powerful bright one. It is undesirable to exert strong pressure on the grater so as not to damage the finish layer.

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“Because sanding and sanding are very dirty and dusty stages of finishing work, it is worth using a respirator, goggles and gloves, and the room is well ventilated. In addition, these protective measures are required by the safety instructions.

How to do-it-yourself wall putty under wallpaper

The technology of puttying walls under practically does not differ from surface finishing under:

The solution is prepared in accordance with the instructions on the package.
The work is carried out with two spatulas - one with a width of 150 mm and the second - at least 300 mm.
One section is processed, after the second, with an overlap of about 50 mm, etc.
After the wall is completely puttied, it is allowed to dry, and only then they begin to level the wall by sanding.
Clean the surface of dust, reapply putty, and then everything is repeated from the beginning until a perfectly flat surface is achieved.

When the wall is completely plastered, it is primed and pasted over. The application of a primer prevents the occurrence of fungus, mold and dampness, and also improves adhesion between various finishing materials. The video shows how to properly putty the walls under the wallpaper:

Do-it-yourself wall putty for painting

A photo	Process description
	First of all, with a wide spatula, like a scraper, we remove minor defects in the form of tubercles and sagging from the wall.
	The rule is to check the evenness of the wall.
	We pay special attention to the corners.
	If there are bumps, we remove them with a puncher with a chisel.
	We prime the wall with a roller or spray gun.
	We apply a cement-sand mortar in the corners along the entire vertical.
	Draw the solution as a rule.
	We get such an almost perfect and even angle.
	For puttying, we will use a polymer dry putty and a ready-made paste-like solution.
	We glue an angle-forming tape on the putty, which will help to avoid the formation of cracks.
	We remove excess putty on perforations.
	Putty removes the minimum differences between the flight and the wall.
	The result should be such a perfectly even angle.
	Now we are preparing a putty mortar from a dry polymer mixture.
	We apply putty on the wall.
	Putty is applied in a thin layer.
	After the first layer has dried, with a spatula we scrape off the slightest tubercles and sagging.
	We apply the second layer of putty by installing a spotlight on the side, which helps to identify surface defects.
	After the second layer has dried, sand the wall with a grater and a portable lamp.
	After sanding and removing dust, we apply glue for fiberglass with a spray gun, adding gray pigment to it. By the way, on a gray surface, when applying a white putty, it will be clearly visible where the solution is applied in insufficient quantities.
	We stick fiberglass on the wall and smooth it with a spatula.
	We apply a thin layer of the finished superfinish putty mixture on the fiberglass with a thin layer.
	After the putty has dried, we grind the wall, primer and apply