Plastered walls under the wallpaper with your own hands

Despite the wide range of modern building materials, decorating the walls with wallpaper does not lose popularity.But it is absolutely pointless to carry out a similar finish on unprepared surfaces, and for it to be really high quality, it is required to carry out the work required to equalize. Plastered walls under the wallpaper with your own hands is held approximately in the same sequence as for painting.However, much of the work will depend on the initial quality of the surface driven by the order, and on what specific wallpaper it planned to decorate.

example, "liquid wallpaper" does not require ideal smoothness walls, as their texture of successfully hide minor flaws.If the thin wallpaper, then they are just as paint, will show all the dents and projections that were on the wall.

should not be taken lightly in this process.The curvature of the walls or uneven, rough surface - a common occurrence even in apartments houses, built of concrete panels.And such a wall

in no less degree demand reflux Carefully preparation prior to painting or gluing wallpaper.

Why should you zashpatlevat wall

Putty designed for over delyvaniya not only large, but even microscopic flaws surface as grain its weight manytimes less than plaster formulations.

This repair and leveling the material is able to create a perfectly smooth surface, which will be much easier to glue wallpaper than a plastered wall, and after finishing the structure will not shine small flaws.

If the apartment walls are covered with gypsum boards, and their, in turn, plan to decorate with traditional wallpaper, the application of fillings is also very necessary, although it would seem, the surface is smooth enough and so.The fact is that if the wallpaper paste directly on the drywall, then when they are removed in the course of subsequent repairs, decoration material, it is likely to be removed together with a layer of cardboard and then the wall would require a serious repair than usual Shpatlevanie.

whole process of work on alignment of the walls under the wallpaper can be divided into two stages:

• application starting putty that fills all the shells and micro-cracks on the wall and align the small surface irregularities.This layer may have a thickness of up to 3 ÷ 5 mm.
• second layer is applied a finishing composition fillings - it will make a perfectly smooth wall.The thickness of such layer may not exceed 1,5 ÷ 2 mm.

Tools and materials for

What is required of the tools

For successful work on alignment of the walls is necessary to prepare high-quality tools:

• Ruleneed to align applied starting putty for large curvatures of the wall, as in a variety of areas its layer of finishing material will be different.
• Nozzle-mixer will be needed for mixing filler.
• Electric drill, in which the cartridge is installed nozzle - mixer.
• set of spatulas with different sizes and shapes.This direct smooth spatula in width from 50 to 500 mm, and a standard corner spatula to remove internal and external angles.

The working surface of all instruments must be perfectly flat and smooth.If the trowel blades will be even the slightest flaws, they certainly affect the quality of the leveling surface.Spatulas - not as an expensive tool, so often it has smy seq responsible for I work to acquire new ones.

• Grater - for mashing and smooth wall surface. Grater can be with replaceable cover - mesh abrasive, sandpaper, leather and etc .
• Building level - to conduct continuous monitoring of verticality line the walls.
• Roller - mainly used for priming, but sometimes in order to expedite the work, they can be applied, and the first layer of putty, which is then spread with a spatula.
• tanks for mixing the solution and water.The latter will need to soak the tools in the work period.
• Brush average width - for priming in remote areas for the roller wall.

Materials

list of necessary materials - quite small, and consists of the following items:

• Two types of fillings - starting and finishing.
• primer composition.To protect the walls from the possible occurrence of the microflora of the colonies, it is recommended to use a primer with antiseptic additives.

• When applying filler to a wall covered with drywall will need a tape-serpyanku grid - for reinforcing the joints between the sheets.
• If the wall has a big swings and bumps, for example, on it found large holes, shell or chips, in this case, will need to prepare a repair mortar.This can be a cement-sand mortar or special polymer-based fillers.They will serve for initial alignment and embedding defects, and only after this training can be applied putty mixture.

putty formulations

Compositions for putty works are sold in specialty stores in ready to use form or in the form of dry mixes that require self-study.

Ready fillings are packaged at the factory in plastic buckets.They are extremely comfortable for use - for them is not necessary to prepare separate containers and do not require a mixer for final preparation.Using them, you can at any mome nt etc. ervat work covering staffing bucket lid and blend it does not dry out. Cooked same self weight should be used fully, otherwise it quickly hardens and becomes unsuitable for application on the wall.

pasty putty is produced latex, polymer, oil-adhesive and other basics.With all its many virtues discourages high price, so most artists are accustomed to use dry mixes.

Since the material is applied, least , two layers, it is necessary to acquire the starting and finishing putty.They differ in the granularity of the powder from which the mass produced.Start putty consisting of mixtures of coarser and creates good adhesion for the topcoat.

Finishing putty made of thin plaster powder, and in compliance with the rules of mixing and application technology is able to create a completely smooth surface suitable for painting and wallpapering for.

should be noted that sometimes plastered walls are used universal formulations suitable for the application and the starting and finishing layer, that is, such a solution can be applied in several stages.

characteristics of some popular putty compositions are given in the table:

Indicator	Standards for grades fillings
pin dissolved 10/90	leveling mortar	finishing solutionFine Cote 50/50	Putty Thermon	Putty to block
PM 35/65	PM 50/50	PM 65/35
recommended thickness in millimeters	3 ÷ 5	5÷ 15	5 ÷ 15	5 ÷ 15	3 ÷ 10	2 ÷ 10	3 ÷ 10
Recommended water consumption, l / 25 kg	3,5 ÷ 4	3,5 ÷ 4	3,5 ÷ 4	3,5 ÷ 4	4 ÷ 5	5,5 ÷ 6	6 ÷ 7
compressive strength, MPa, not less than 16		8	4	2	4	6	20
bending strength, MPa, not less	2	2	1	1	1	3	3
adhesion (adhesion) to the base, MPa, not less	0.5	0.4	0.3	0.3	0.3	1	0.5
average density solution kg / m3	1900	1900	1900	1900	1900	1900	1900
pH	12 ÷ 13	12 ÷ 13	12 ÷ 13	12 ÷ 13	12 ÷ 13	12 ÷ 13	12 ÷ 13

choosing and buying a filler, it is necessary to pay attention to the instructions and expiry date - this information is located on on packaging.If the guaranteed term preservation of the material is already over, this part should not be taken as the solution may not have sufficient adhesion to the surface of the wall, and the putty is just from her flaky.

If you purchased a dry mixture, then you need to make sure to pack stored in appropriate conditions.If the room where he kept putty, has high humidity, paper bags are seen clear signs of dampness, it is not necessary to buy this material, as it is unsuitable for use, even if unexpired shelf life.

If purchased at the same time and the starting and finishing putty, it is recommended to choose the material of one of the manufacturer.Such mixtures are the most adapted to each other, and during the work will show good adhesion - "surprises" on this side do not expect have .

Preparing surfaces for filler

Never apply putty solution on an unprepared surface of the wall having the old coating, so over it is necessary to work very well.

If the wall were previously pasted wallpaper, coated latex or oil-based paint, or applied layer of plaster, these coatings should be removed.

old coatings are removed in different ways:

• Wallpapers easier to go away from the wall, if several times with a roller moistened with water to complete their getting wet.

• oil or enamel paint is removed with a scraper and a hair dryer building, or sander with a brush attachment .
• plaster is removed by means of different tools, depending on its thickness.If deposited thin layer it, then it , as well as the wallpaper, you can soak and remove with a spatula.The thick layer is removed using a hammer and chisel, or by a special nozzle with punch-bit.

When the wall will be freed from the old coating, be sure to show up on her bumps and cracks formed during the operation at home.Identified defects must always be repaired surfaces, protrusions and bring down.Filling the cracks is required because, that deposited on top of them cracked putty dries, and exactly repeat the direction of these flaws, which means, that the work will be done in vain.

Remo nt Article enes carried out in the following sequence:

• cracks widen and deepen with a chisel and hammer.Increase the gap should be as deep as possible to fill it with the repair composition, which will be part of the wall and will not allow flaws to manifest through the filler.

• Advanced cracks should be well cleaned from dust and residues crumbled plaster. For this purpose, well-fit soft brush or a small wet sponge.

• Then crack the whole its depth should be several times to cover the primer composition.It is important that it has been treated the entire inner surface of the defect, and then well dried.

• Further, in split or crack the shell is filled with a force of a repair composition.Sometimes it can be applied and a starting putty and some builders prefer to use a sealant.If the expansion of the cracks formed very deep defect, in some cases it is recommended for beginning to fill with foam.
• After drying repair "patch», on on surface it is necessary to go float heavily abrasive mesh or sandpaper with a large grain.Polyurethane foam is cut in the level with the wall surface.
• If the wall is covered with plasterboard, then all the joints between the sheets glued-serpyanku grid on which are passed from the top starting putty.In addition, it is filled with all the recesses of the hat to to Fastening screws, otherwise rust yellow-brown spots manifest through the wallpaper.

• After complete drying of the repair and preparation of materials, the entire surface of the walls must be coated with primer composition with an antiseptic effect.Primer will improve adhesion between the materials and significantly increase the life of the decorative finish.

primer is applied with a roller, but it is important that it has been processed corners of the room, because it is in them in the first place appear mildew stains.

For the best experience, the primer is poured into a special plastic tray, which is easier to immerse cushion.Roller allows you to quickly and efficiently primed large areas of the walls, but the corners of the room will have thick handle with a brush.

primer composition, deposited on the walls should be well dry.If there is a very rapid absorption it into the surface, but it is recommended to carry out similar treatment, two, or even three times - each successive layer is applied after the full drying of the previous one.