Preparing walls for wallpapering is an important point

Wallpapers are the most popular finishing material. A huge variety of colors and drawings, a wide range of prices make the described material the most in demand in the construction market.
But I need to know! How to properly prepare the walls for gluing the wallpaper, so that the most expensive wallpaper looked beautiful on the wall, if it is correctly executed under the pasting.
We will tell at once, preparation of a surface for wallpapering is not difficult, but requires certain knowledge, skills, tools. With such a task, a novice can easily cope if he carefully gets acquainted with the proposed article. How to begin repairing

Any work begins with the preparation process. You need to purchase the material itself and related products, tools and devices.

On the rules of choosing wallpaper we have repeatedly told on the pages of our site.

From the tools you will need:

• mandrel for fixing abrasive or grinding bar;
• abrasive material;
• grinding jaws for processing hard-to-reach places.

Grinding mesh can be used as an abrasive material, but it is cheaper to use sandpaper. The quality of work from this will not suffer.
The use of grinding mesh makes the work more comfortable, as the mesh is not clogged with debris and dust during operation. But properly selected paper gives very good results. In addition, it is much cheaper than the grid.

Abrasive material is marked on the reverse side. Numbers 80. .. 200 characterize the coarse-grained structure of the abrasive, and the numbers 250. .. 2500 indicate a fine-grained structure of the emery material.

Sanding jaws are produced with cut edges for easy handling of hard-to-reach places.

Of the devices you will need: a stepladder or a sturdy table, a searchlight or a lighting fixture, spatulas, rule or level.

Always remember the safety precautions of

. Any work should be fun and not harmful to human health. Preparing walls for wallpapering is a dirty, dusty process.
You can not do without protective glasses, a respirator or gauze bandage, a headdress.

Removing the old
coating If you are going to glue the wallpaper in a new room, then the brick surface will have to be plastered, puttyed, sanded, primed.
The surface of gypsum board requires finishing puttying and priming.

A more laborious process awaits you if you are going to paste the wallpaper or paste it on a painted or wooden surface.

You will need to prepare the surface by clearing it of old wallpaper, paint, nails. The wooden wall will have to be plastered or gypsum plasterboarded.

All in order
Any surface is freed from the old coating, dried and primed. If the surface is very uneven, it is plastered.
After drying for 24 hours, the surface is primed again. Primer is applied after each layer of plaster or putty.

Rule 1
For the production of a high-quality surface, the lifetime of which can be measured in tens of years, be sure to use all consumables of the same manufacturer.

If you bought a plaster of a certain manufacturer, then the putty, primer should preferably be from this manufacturer.

Once again about removing old wallpapers

You can use different methods to delete old wallpapers.
The simplest and most reliable way is to moisten the surface with a warm detergent solution. The solution is applied to paper wallpaper with a sponge, roller, sprayers. Having sustained a pause of 15 minutes, you can carefully remove the lagging and swollen wallpaper with a spatula.
This method is good at removing thin paper wallpapers.

Do not forget that multi-layer wallpaper can not be removed in this way. They are removed by applying a steam generator or ironing with a hot iron through a damp cloth.
Multilayer wallpaper includes non-woven, vinyl, washable wallpaper, because they have an upper protective layer, preventing water from entering the surface.

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About the most important

To get a high-quality surface for wallpapering, you need to perform the final grinding.
To prepare the walls for wallpapering, perform the basic operations:

Install the right side lighting. The light source must remain in one place throughout the entire operation.

Grind walls from top to bottom with circular movements of the tool.

Process the strips no wider than 1 m. Pass the strip to the very bottom, grind the next strip of the same width.

Control the surface of the lumen with a level or rule applied to the surface to be treated.

Never attempt to grind pits or grooves. You just mess up the surface. It's better to shpak detected defect. With the subsequent cleaning of the surface

When preparing the walls for wallpaper, small scratches are allowed on the ground surface.

A few words about the mechanization of the process

The use of mechanical devices is advisable when removing old paint, plaster, coarse grinding.

At the finish stage, it is best for a beginner to use hand tools. This is both safer and cheaper, although more time-consuming. For more advanced builders, we recommend using eccentric or orbital grinders.

Preparing the wall surface for wallpapering

You completed the preliminary steps: the old coating was removed. Where necessary, a layer of plaster was applied.
Immediately make a reservation. Plaster should be used only with a very uneven wall or on a brick or wooden base.
By the way, the plaster is applied to the wooden substrate on a pre-drilled shingle.
Before applying the putty on the carefully dried layer of plaster, a primer coat is applied.

Rule 2
The primer is applied to a completely dried layer of plaster or putty.

On the rules of applying plaster or putty when leveling the walls, we have repeatedly written on the pages of our website.

Useful tips for beginners when preparing walls for wallpapering

1. When applying wallpaper in a humid room, treat the surface with an antiseptic.
2. For a significant curvature of the walls, apply a layer of plaster.
3. Put the sealant on the surface of gypsum board or plastered surfaces.
4. Grinding is necessary on the surface under a thin wallpaper or paint layer.
5. Grinding is done in circular motions of the hides without pressing heavily on the tool.
6. Start grinding with coarse abrasive. If deep scratches remain, choose a finer grain structure of the grinding material.
7.In special hard-to-reach places, use special grinding jaws. But you can use the grandfather method, having sandwiched several layers of sandpaper, putting a rag or a soft washcloth into it.
8. Control surface quality by applying a level plane or rule to the ground surface.
9. After grinding, be sure to thoroughly clean the surface of the dust.
10. On the dried surface, apply a layer of soil. For a porous surface, several primer layers are required.
As a primer for walls when wallpapering, it is ideal to use wallpaper paste, dilution ratio, written on the pack.

Rule 3 of the
On how to properly prepare the walls for gluing the wallpaper. For rough grinding, sandpaper No. 100. .. 220 is used, and fine grinding is produced with abrasive No. 250. .. 280.

Marking on grinding mesh and sandpaper is applied on the back of the material.

Conclusion:
-Prepare a wallpaper-wallpapering surface for anyone who has read the instructions;
- to obtain a high-quality surface can be, using the accompanying materials of one manufacturer;
- strictly follow the sequence of work on preparing walls for wallpapering;
- do not hurry and do not stop halfway.

Our article and the video will help you to understand how to wall-cover the wall with wallpapers in high quality.

Good luck to you!