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Insulation-materials-for-buildings, insulation for buildings facilitates retention of energy to make it energy efficient and cost saving. types, materials and methods of building insulation is discussed. during earlier periods, the buildings were constructed tremendously with no consideration for insulation mainly because of the reason of cheaper cost of energy.. Building insulation materials are the building materials, which form the thermal envelope of a building or otherwise reduce heat transfer.. insulation may be categorized by its composition (natural or synthetic materials), form (batts, blankets, loose-fill, spray foam, and panels), structural contribution (insulating concrete forms, structured panels, and straw bales), functional mode ..., insulation materials run the gamut from bulky fiber materials such as fiberglass, rock and slag wool, cellulose, and natural fibers to rigid foam boards to sleek foils. bulky materials resist conductive and -- to a lesser degree -- convective heat flow in a building cavity. rigid foam boards trap air or another gas to resist heat flow..

Historically, mud, asbestos, and cork were used as insulation materials for buildings and pipes. the best way to insulate a building is to have a well-defined thermal boundary. the thermal boundary of a building separates the conditioned (heated or cooled) spaces from outdoor or unconditioned areas., blanket insulation materials are available in blanket shape or like paper rolls which are directly spread over the wall or ceilings. they are flexible and having a thickness about 12 to 80mm. these blankets are made of animal hair or cotton or wood fibers etc.. 3..

It is indisputable that insulation materials made of foamed plastics contribute substantially to the increase of the fire load of buildings and thereby also to a loss increase in case of fire.