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Building Materials

August 12, 2017 18:08

Priming the walls under plaster - it's hard to choose , easy to apply

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Primer walls under plaster, why is it?

I must say, despite the fact that the plaster is very similar in its composition plaster (a material difference in the grit and fillers), the adhesion of the latter is much better, allowing you to not only spread its thin layer, but the sanding and polishing.With this plaster will not work until it is in its raw form, its viscosity is quite large, but the passage of time possible detachment of the wall covering large areas.

Tom guilt rapid absorption of moisture from the finishing material mixture, constituting the wall surface, with the result that sometimes dehydrated composition does not have time to grab.Therefore, thoroughly clean the wall, it is advisable to treat them generously with a special compound - primer, using a roller or ceiling brushes.There are different types of spin finish, different from each other the result of the surface treatment.

Thus, one primer for plaster can penetrate deeply into the concrete thickness, providing him additional protection against moisture and at the same time increasing the adhesion surface, the other mixture, hitting the wood acts as an antiseptic.For the most part primer for plaster walls, regardless of the composition it stabilizes the porosity of the base for wall covering materials, allowing to apply a uniform layer of plaster.That is why any finishing work, especially on difficult surfaces, priming should begin with the prepared surfaces.There

primer-primer used for pre-impregnation as well as compositions to provide adhesion between the layers of the same coating.

Which surfaces use primer plaster

Beautiful smooth walls can not be only in those cases where the built of gypsum partition plates or if the drywall was used, excellent results can be achieved with a simple plaster, and if it isalso decorative mixture further finishing is not necessary.However, not everyone is the material from which made the wall, ready for plastering and primer for plaster - not the part on which you want to save.

should be reserved in advance by different types of soil, if smokers have used different wall materials.What compositions, and any surface can and should cover:

  • loose (porous) surfaces or unreliable - firming the soil;
  • svezheoshtukaturennaya surface wall of asbestos - a deep penetrating primer;
  • metal structures, peeled and with traces of corrosion - corrosion primer;
  • lumber and other wood surfaces - antiseptic impregnation;
  • surface stains with household organic and inorganic origin - against primer spots.

In any of the above bases of primer should be applied before the plaster walls.In particular, a loose and porous surfaces include concrete and brick.Freshly plaster, primer and putty prior to application which has already been implemented, it is still in need of additional priming if they are glued on top of the wallpaper.No need to further process the following surfaces:

  • painted walls;
  • wallpaper for painting;
  • finishing putty.

primer on plaster and tiles - treatment if necessary

Wallpaper on bare concrete glue can only be in exceptional circumstances, for example if they have a high density, and the walls are smooth enough, that is a rarity.Therefore, plastering walls before pasting them - quite a normal stage of repair, which can be avoided only by drywall.However, achieving a perfect smoothness and the walls in the room, do not rush out and measure wallpaper primer on plaster would be superfluous.

used for this purpose part of the common purpose, there is no need to look for liquid deep penetration. Processing plastered surface, on the other hand, try not to moisturize too, to prevent the disintegration of finishing layers.plaster primer before and after it: Thus, you have two different types of fluid will be used.

There are special formulations for coating ceramic tiles, they may be required, if all of a sudden you decide to stick to the walls in the kitchen, glass fiber, without removing the old finish.This type of primers for surfaces that do not absorb water and, therefore, can be applied if necessary or for glass laminate.Although it is difficult to assume that you will ever need to hang wallpaper glass.

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