Types of Roof Insulation
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Posted On :
Jul-27-2011
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Article Word Count :
490
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Setting isolation, which prolongs the life of the roof system is essential, but this is only one factor to be considered and maintenance management planning.
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Setting isolation, which prolongs the life of the roof system is essential, but this is only one factor to be considered and maintenance management planning. When managers have the choice of roof insulation, must also be taken of the thermal needs of the building complies with the relevant energy codes, and gives the roof, which is acceptable to the insurance carrier of the facility.
The operation is successful, isolation has become an integral part of the roof structure, function and live in the membrane and the structural deck. Wise choice in itself a result of a successful roofing systems that meet the long term, while bad decisions can be detrimental to the roof performance.
Insulation Types
Different types of sound insulation is available to executives, including wood fiber, perlite, polyisocyanurate, extruded or expanded polystyrene, foam glass and plaster.
The organic wood fiber insulation board to the wood, cane or vegetable fibers mixed with fillers and binders. Insulation can be impregnated with asphalt or covered with asphalt to improve moisture resistance. Managers should take no insulation coating in applications where the choice is incompatible with asphalt roofing coating.
Perlite insulation board with expanded inorganic silicaceous Volcanic glass - perlite - combined with organic fibers and binders. The upper surface of the insulation board has an asphalt layer or coating formulated to reduce adhesive - asphalt - absorption in the application of roof membrane itself.
Polyisocyanurate closed cell foam plastic insulation core sandwiched between organic or inorganic slaps slaps felt mat, glass fiber, glass fiber with aluminum foil slaps. The chlorine-free blowing agent expands the foam, which is a closed cell structure that provides excellent resistance to thermal insulation. Air diffusion results in isolation of the cell structure of a small reduction in thermal resistance, but the insulating efficiency remains higher than other rigid insulation.
Polystyrene insulation in two ways: expanded and extruded. Polystyrene Polystyrene is a polymer impregnated foam material. Material expands when exposed to heat and modeled a uniform, closed-cell insulating material. Polystyrene is available in densities from 0.70 to 3 pounds per cubic foot (PCF). Most of the roof deck manufacturer's minimum density of 1.25 PCF.
Extruded polystyrene is a polystyrene polymer is mixed, heated and passed through an extrusion process. The material is exposed to atmospheric conditions causing it to expand and create a closed-cell structure.
Foam glass insulation is made from broken glass, combined with foam. Mixing, placed in a mold and heated to melt glass and foaming agent decomposes. This process leads to the mixture to expand and create a coherent form a closed-cell insulating material.
Plaster of non-structural, fire, water resistant, treated gypsum core panel. The panel comes with a unique, non-asphalt-coated on one side to improve adhesion of the roof membrane. Wood fiber, commonly used as a cover board over foam plastic insulation as a thermal barrier over the steel deck, vapor retarder, or substrate.
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Article Source :
http://www.articleseen.com/Article_Types of Roof Insulation_69223.aspx
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Author Resource :
Alabama roofing companies | Best roofing company in Newnan GA | Columbus roofing and repairs
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Keywords :
roof, roofing, roof insulation, roofing insulation, types of roof insulation,
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