Zachem is necessary gidrofobizatsiya facades

Recently tenants and holders of new brick houses or cottages even more often face very unpleasant phenomenon. On the walls still shining from cleanliness of bricks laid by equal numbers, suddenly there are whitish unpleasant touches. Concerned owners start them to clean off, wash off, and all is useless. The surface badly gives in to clearing. Parasitic stains for what do not wish to disappear. They arise again then there and seize the increasing and big plots. The matter is that it not a dirt of which it is easy to get rid. White touche grow out of an exit on a surface of crystals of the salts which are a part of raw materials of traditional construction materials. They are called vyisolami. And struggle against them requires absolutely other approach.

THE REASONS OF FORMATION VYISOLOV

Cement, concrete, brick, plaster and kladochnyie solutions represent porous materials. On the one hand, it is very good, they, that is called, "breathe", and here on the other hand, the same time keeps in themselves a moisture. In inter-season period, when on a court yard that plus a minus, walls long stand the wet. Water, pronikshaya in a material, starts to interact with chemical compounds: salts and the alkalis entering into its structure. Process of washing away and kristalloobrazovaniya salts begins. Salt crystals grow in a material, filling in microemptiness, and leave on a surface in a kind vyisolov which structure, it is necessary to tell, happens rather and is rather diverse. Their basic components are sulphates, carbonates and silicates, but it is far not the complete list of the salts transformed at evaporation of a redundant moisture in enemies brick, concrete and other similar of sort of structures.

Actually, in it one of main problems also consists. That vyisolyi effectively to remove, that is to pick up the necessary acid preparation for their clearing, first of all, it is necessary to define their nature. For this purpose there are experts who by practical consideration establish a chemical compound of salts. But simple clarification of walls by specially picked up preparation vyisolov will not decide a problem of definitive liquidation. They it is valid after processing will disappear from facades, but not for ever. Through any time whitish kristalliki salts leave again on a surface, signalling that in thickness of a material crystallisation processes proceed. And it means, that there is an accelerated process of destruction of walls of the house. After all crystals of salts, filling in a microtime, press on them extensively, causing occurrence at first microcracks, and then already and more essential destructions. For disposal of this misfortune there is one exit — to impregnate house walls gidrofobiziruyuschim with structure, that is to give to problem building materials water-repellent properties.

WHY STRUGGLE WITH VYISOLAMI SUDDENLY BECAME ACTUAL

Any person, already is a lot of that seen on the century, there and then will ask: and why before such problem did not exist? Built to itself from time immemorial houses of a brick and concrete and about any vyisolyi did not hear. On the business heard and saw, but, of course, not in such scales which are present nowadays at area domostroitelstva.

Actually, the salts capable under the influence of slowly evaporating redundant moisture to crystallise, were a part of raw materials of construction materials always. But vyisolyi started to be formed on a surface of walls only in the event that there was an infringement of system of a waterproofing of a building. The roof flew, drains were hammered or there were other malfunctions leading to that certain parts of a wall simply dampened. In other cases this problem did not face. Now all was changed. It is connected by that earlier the bases and brick walls erected only during warm time, unlike the today, hardly in time to cope with scales of all-the-year-round building. Actually it also became possible because in binding construction materials began to add the chemicals giving to them frost resistance and ability fast shvatyivaniya of a solution. And it after all additional chemical compounds which at moisture evaporation have ability to turn to crystals of salts in thickness of a material, and at their exit on a surface become very difficultly soluble, and sometimes and in general insoluble water touches. It is the first reason.

The second reason of active display vyisolov on brick walls is connected with process of development of the domestic market in conditions of "wild capitalism». Still about 10 years ago manufacturers of building materials adhered GOSTov, rigidly regulating structure of raw materials and a production process. GOSTyi, naturally, nobody cancelled, and to bypass them began simply. Each brick-works, becoming to itself the owner, try to acquire raw materials more cheaply and manufacture production, being guided not on GOSTyi, and on own THAT (specifications). All depends on a deposit of the raw materials defining quantity and structure of salt components shihtyi. At such approach the brick can be sated not only harmful to it, but also substances dangerous to people, for example, poisoning or even by the radioactive. The result that is called, is available, and is more true, on facades of buildings.

Often happens so, that the brick prepared for building lays on specially taken away place and shows nothing of the salt mine set up in it. But it is necessary to start to stack it on a cement mortal, with the water balance displaced towards increase as the starting mechanism of a mine starts to work. The moisture already bearing salt components, gets into thickness of a brick, and at evaporation puts in action crystallisation process in which all salt and alkaline connections defining chemical structure of involved building materials participate. Results of this process will be shown on a surface of walls in the terms depending on weather conditions. Perhaps in half a year, and can, in 2-3 years, but will necessarily be shown.

GIDROFOBIZATSIYA SOLVES THE PROBLEM CARDINALLY

Let’s begin with the most bad case when vyisolyi already are available and spoil the specific kind external shape of any house. As it was already spoken, them, first of all, it is necessary to clear a suitable preparation. What — a question special, requiring special studying.

In our market the whole scale of acid cleaners of different firms-manufacturers both import, and domestic is offered. Certainly, if the structure vyisolov it is possible to acquire the necessary preparation independently is known and to attend to clearing of walls. But here it is necessary to mean, that the import label not always guarantees quality. Fakes are possible, and, besides, to experts cases when under preparations with sonorous names of known foreign firms solutions of ant or hydrochloric acids disappear simply, in the concentration exceeding admissible norms are known. Besides that work with such solutions represents known danger, it is possible to be protected from it in appropriate way, other is worse. At hit of such acids in the earth there is a soil poisoning. It in turn affects vegetation and, that is the most dangerous, on garden cultures. It is better to deal all the same with competent experts who and the structure which is not spoiling ecology, will pick up and will help not only to clear walls, but also in general to terminate process soleobrazovaniya.

In the Moscow market more all is extended means both for clearing of salt touches, and for gidrofobizatsii, manufactured by known German firms REMMERS and SHOMBURG. And among domestic the most popular manufacturers of similar means are Joint-Stock Company "BERATEKS" and Joint-Stock Company "SAZI" which both the prices have less, and responsibility before consumers much more. Joint-Stock Company "BERATEKS" works under the aegis of the government of Moscow, it is large enough and skilled firm. Joint-Stock Company "SAZI" scales have less, but it is very interested in the further development that is why tries and keeps, likely, the lowest on a price city.

When walls are cleared of visible salt formations, them simply carefully wash with water, allow to dry out properly and only then impregnate with waterproof structure. Such processing solves two problems. First, protects facades from the further penetration into them of a moisture, and secondly, closes ways of growth of salt crystals to thickness of a material, filling in available time and emptiness waterproof kremneorganikoy. After that it is possible to be assured, that within at least 10 years, vyisolyi will not be shown. Agree, that for today it is the most expedient way of protection of walls of your house as after gidrofobizatsii paropronitsaemost materials it is saved at former level, that is the house both "breathed", and continues to "breathe".

But it not all. There is one more problem which too can be decided by means of protection of walls from a moisture. It is a problem of the fungoid formations feeling in dampness it is very comfortable. On the walls impregnated gidrofobizatorami with antiseptic additives, fungi it can not be simple by definition. And if they already at the moment of processing are available, too it is not terrible. Exist already gidrofobizatoryi, by the way, a domestic origin (the manufacturer of Joint-Stock Company "SAZI") in which the unique antiseptics is used, capable to terminate growth of these uninvited visitors.

For today gidrofobizator is, probably, the universal remedy supplying long safety of brick and concrete structures. Judge, after all even if to you has carried also walls of your house do not suffer from vyisolov, all the same it is obligatory on front surfaces there will be the problem places most subject to effect of an atmospheric precipitation. It can be fashionable now bay windows, any ledges, places near drains, cement otmostki and so forth Nothing protected, they in bolshey degrees, than other parts of a building, suffer from a moisture. At unstable cold weather and high humidity in a time of their bricklayings and concrete plates grow kristalliki ice, and in the same way as salts, they have destructive effect on construction materials. So that it is better all the same in any cases gidrofobizirovat house facades, after all regenerative and repair work stands much more expensively.
Alexander the KOVALEVSKY Source: "the Building Season" #33

It is introduced: on October, 02nd, 2002

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