What structures protect the house from moisture?
of the Possibility of plaster
can Create the waterproofing screen and by means of plaster. But not usual as that passes moisture, and on the basis of polimertsement. Asphalt mastics can be also used.
Polimertsementny plaster - a step forward in comparison with an okleechny waterproofing first of all it is environmentally friendly material. It can be used in rooms, to cover with it walls of swimming pools and tanks with drinking water.
It well sticks practically to any construction materials, is strong and differs in high vapor permeability. Besides, it can be applied on damp and wet surfaces.
It is the most convenient to prepare Polimertsementny plaster on the basis of dry construction mixes. These are the difficult combinations mixed industrially mineral knitting, fillers, the polymeric binding and modifying additives. Distinguish a rigid and elastic waterproofing, degree of elasticity depends, generally on a look binding.
However and this type of a waterproofing is not deprived of shortcomings - at violation of integrity of a covering in any place, and it can easily occur from - for low elasticity and tendency to cracking, the covering loses the isolating properties.
The union of bitumen and polymers the Plaster waterproofing usually put to
with a layer 6 - 50 mm. However there are materials which carry out the same function, but differing in the smaller thickness of a coat layer. Just as okleechny materials, make them on the basis of bitumens, but, just as a plaster waterproofing, apply them directly on a surface of a building construction.
Apply hot and cold mastics to waterproofing works. Hot mastics are a mix of an alloy of bitumens with fibrous or dust-like fillers.
Cold mastics do not demand a preliminary warming up as solvent is entered into them. After putting mastic solvent evaporates and mastic hardens. Distinguish unicomponent and two-component cold mastics. Unicomponent mastics cannot be stored long from - for solvent evaporations. In two-component mastics the basis and solvent are stored separately therefore they can be stored over a year.
Recently are developed bitumno - polymeric and bitumno - rubber mastics, they possess the best physics - mechanical properties. For increase of durability of responsible parts of mastic roofs (in places of interface) they are reinforced fibreglass mesh or fiberglass.
All shortcomings of okleechny materials on the basis of bitumen are inherent in a bituminous obmazochny waterproofing. Therefore for a plastering even more often use the same materials, as for a plaster waterproofing, namely, dry construction mixes. Only with the increased maintenance of polymeric components.
Paint from dampness
If polimertsementny waterproofing structures support vinylacetate polymer, and in bituminous mastics - solvent in the quantity sufficient for remaintaining them in a liquid state, then it is easy to put such structures layer-by-layer with a brush. The waterproofing put with such method is called painting.
The painting waterproofing is put not only a brush, but also pallets and airbrushes. The forming film is very thin, 1 - 3 mm therefore the painting waterproofing is the least material-intensive type of isolation. Besides, it is easy to mechanize this way.
For increase of durability and crack resistance the covering is reinforced fillers, fiber glass fabric, fiber glass and other materials.
the Separate type of the isolating waterproofing materials are fast-setting or grouting cement mortars. They are applied to prevention of intensive infiltration of water, it is frequent during repair work or accidents.
Usual cement mortars are not suitable for this purpose, the cement mortars grabbing in several minutes (from 0,5 to 5) are necessary here. They are received, adding skhvatyvaniye accelerators to cement mortar, or use special mixes.
Gidrofobizatora - the most thin layer type of waterproofing materials.
They are put with a brush, the roller or a spray then after a while (from 20 minutes to one days) the surface of a building construction becomes water-repellent. A lack of these materials is the short term of life, 3 - 10 years.