The vapor barrier performs very basic functions. the task of this type of material is to prevent the occurrence of condensation on heat insulators that are used during the construction of floor or roof bases.
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The need for additional protection of the heat insulator is caused by the fact that moisture has a particularly negative effect on it.
The lack of vapor barrier in the very near future will lead to the deformation of the heat insulator, the loss of the main operating properties and, as a rule, the destruction of the material.
Vapor barrier is used to eliminate the occurrence of condensate on heat insulators
Condensate, deeply penetrated into the structure of the heat insulator, significantly increases the heat conductivity.
As a result, in a room, from the very beginning, filled with some special material, vapors will arise, and significant losses of heat energy will also be felt.
Regularly appearing steam masses, which consist of thermal air together with water drops, have a bad effect first of all on the floor surface and ceiling. If you install a good vapor barrier, then you should forget about similar problems.
The new vapor barrier must meet another very important requirement:
Have specified fire resistance and reliability parameters to guarantee a high level of fire safety
Differ in a high level of water resistance, but at the same time small values in terms of moisture absorption. The combination of these points makes it possible to very effectively prevent the formation of condensate on a variety of surfaces in the room.
Environmental safety - vapor barrier should not emit toxic and harmful substances into the atmosphere, so as not to harm human health
Be as frost-resistant and elastic as possible, especially at low temperatures
Do not shrink, because this will lead to deformation of the protected thermal insulation layer.
A very significant sign for a reliable and good quality vapor barrier is a low level of thermal conductivity.
After all, the thickness of the laid layer of vapor barrier material is directly dependent on this indicator, in other words, the lower the thermal conductivity value, the thinner the insulating layer will be.
In any case, the room will be well protected from air masses mixed with vapors only when all the work that is associated with the selection and installation of vapor barrier is done very efficiently and professionally.
Popular and common material - the scope of soft roofing material
Soft roofing material as a vapor barrier is primarily used to protect the floor, ceiling, roof of buildings and houses from condensation.
In most cases, the material plays the role of a substrate during the waterproofing of the floor or roof.
Due to many advantages, the owners of private houses, as well as qualified craftsmen, are trying to acquire soft roofing material as a roofing material.
Very often, soft roofing material is used to protect the roof of buildings and houses from condensation.
Basically, the first layer is the material for insulation, after which a layer of vapor barrier is placed, covered with a profiled sheet, metal roofing tiles, asbestos-cement sheet or other final material for roof finishing.
In the insulation of pitched structures, soft roofing material is excellent.
Due to such qualities as plasticity, lightness, ease of use, the vapor barrier is quickly and without major problems placed on steep roofs, as well as on structures of difficult and original shape.
Among other things, soft roofing material perfectly protects wooden elements from condensation, especially where wood touches concrete structures or the ground.
The tree does not grow and is not moistened, which leads to an increase in its working life. The construction of saunas and baths also actively uses a vapor barrier.
In this case, soft roofing material is installed in several layers around the perimeter of the structure.
Naturally, roofing is far from being the only area of use of the described vapor barrier. Soft roofing material has proven itself excellently as insulation for:
Protecting the basements of residential buildings and car garages from the damaging effects of moisture
Ventilated and ventilated facades
For a floor, it's hard to come up with a material that works better than a soft roofing material. But there are certain properties - soft roofing material needs to be changed with hot bitumen.And this is not paying attention to the presence of bitumen specifically in the vapor barrier. There is absolutely nothing complicated, you just need to lay out a layer of hot bitumen in turn, after an insulator, after bitumen again, after a soft roofing material, bitumen comes as a finishing layer. Such an unusual "pie" provides the highest level of reliability and strength of the vapor barrier material, which will be able to perform its own functions for a very long time.
