The insulating foam Building insulation materials
This article exists in the form of two types, one inorganic fibers of the adhesive type, and the second is organic spray of mineral wool fibers, and are installed by special machines designed for this purpose, while the second type consists of two cans on two occasions for spraying purposes.
Building insulation materials , insulation used in the construction or modernization of buildings . Materials which are used to reduce heat transfer by conduction , radiation or convection and work in different combinations to achieve the desired effect (usually a thermal comfort with reduced power consumption ) .
The insulating foam , which is applied to a wall or in small , hard to reach places . Although it is more expensive than polystyrene and fiberglass insulation , which is set in the form of sheets or blocks , it is more effective in places such as attics, where there may be unfinished walls or ceilings . Good , solid insulation of the house is crucial to reduce heating and cooling bills , as well as preventing damage from moisture and pests.
Insulated with water and then sprayed under pressure from the air pump. As it is mixed with oxygen from the air and water dries, the foam expands and hardens and then treatment for a few minutes . The volume of dry spray foam is five to ten times greater than that of the wet spray foam . Spray foam and adhesive . This allows spraying it under the floor without taking up the first floor , and it is much easier to apply ceiling than the insulation sheet to be glued or stapled in place.
Polystyrene and fiberglass insulation cover small holes , but they do not seal them . Spray foam insulation expands to fill the gap , and it can be applied to places other types of insulation can not reach. Foam not only prevents entry of hot and cold air , but also insects , rodents and other pests and water . Spray insulation used in new homes as they are built , but it can also be used in existing buildings to isolate the site of the old fiberglass insulation can not reach , or in the cracks that have been developed as a structure solved.
Unlike polystyrene or fiberglass insulation , spray foam insulation and air-and water-resistant. Because it expands to fill the entire space , where it has been sprayed , it creates a seal that prevents air from coming in or out. Hot air can not mix with the cold air and create condensation within the wall, which stops the accumulation of moisture, which can eventually lead to rotting walls.
Spray foam insulation is usually used in combination with glass fiber insulation or polystyrene home. It must be applied to a professional large-scale works, because if too much is used , it may break or crush the pipe wall and the inexperienced user can end up with foam insulation bulging in unwanted places .
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