Primer "Concrete contact Knauf": scope and rules of use

Modern construction - an arena for useset of technological and technical innovations. Even in such an area as plastering walls, new items constantly appear that increase labor productivity, improving the quality of processing. One of these innovations is the primer “Knauf Concrete”, which is a polymer dispersion with the addition of alkali-resistant sand. It is designed for the treatment of surfaces with low absorption capacity, which can be a problem when plastering walls: over time, the coating peels off.

Primer "Betonokontakt Knauf" is recommended forprocessing of monolithic concrete, reinforced concrete ceiling slabs, precast concrete products, drywall, under gypsum and lime-gypsum plaster, before installing stucco decoration, for processing polystyrene foam plates before plastering them, etc. Surfaces covered with this primer have excellent adhesion abilities become denser and more durable. This type of material is also used when gluing ceramic tiles to tiles, for treating surfaces covered with oil paint before plastering, before puttying metal parts, etc.

Surface preparation and primer application

Before using the mix "BetonokontaktKnauf ”, you need to prepare the surface: clean from dust, dirt and grease stains. Sell ​​this material in buckets of 5 and 20 kg. Depending on the type of surface to be treated, you can add or not add water to the primer (no more than 1 liter per 20 kg). Before applying the composition must be thoroughly mixed and you can start work.

Primer "Betonokontakt Knauf" (consumption - 250-350 g / m²) very economical. It is applied with a brush or roller. Do not apply primer on cold surfaces or work with it at temperatures below +5 ^aboutC. The temperature should also not fall below this mark until the layer is completely dry. During operation, the composition must be periodically mixed.

Putty putty can only be fullydried primer, but the gap between drying and the beginning of the putty work should be very small to prevent dust from settling on the treated surfaces. After work, all the tools should be washed: fresh composition is washed off with water, dried - only with the help of mechanical cleaning.

Contraindications to use

It is not recommended to use this product on surfaces with insufficient density, crumbling and unstable bases. Do not apply at low temperatures (below +5 ^aboutC) and on frozen surfaces.

Benefits

At the low price the primer has a highquality, does not contain allergens and does not harm the environment, dries quickly, is convenient and easy to use. And all this - primer "Betonokontakt Knauf." The technical characteristics and reliability of the surfaces plastered with the help of it are much higher, this finishing lasts longer: it does not crumble and exfoliate, keeping an attractive appearance for a long time.