Building insulation materials

（重定向自Foam insulation）

A building site for a row of riverside apartment blocks in Cambridge. The buildings are being constructed using a systems build with a steel frame and various prefabricated components. The blue plastic on the central building is the vapour barrier for the thermal wall insulation before the exterior cladding has been fixed.

Thermographic image of a vulture in the winter. It uses a layer of trapped air as insulation.

Ejemplo de aislamiento con mantas de lana mineral y otros selladores.

Detalle del Poliestireno expandido en placas (EPS).

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 (conductive, radiative, convective), resistance to heat transfer, environmental impacts, and more. Sometimes a thermally reflective surface called a radiant barrier is added to a material to reduce the transfer of heat through radiation as well as conduction. The choice of which material or combination of materials is used depends on a wide variety of factors. Some insulation materials have health risks, some so significant the materials are no longer allowed to be used but remain in use in some older buildings such as asbestos fibers and urea

单词	Foam insulation
释义	Foam insulation 原声例句 BBC 听力 2015年11月合集 Prosecutors said the men were questioned for several hours about the blaze which started when firework set off by band performing in the venue ignited the insulation foam on the pillar and spread quickly. 检察官称警方就起火原因对三人进行了数小时的盘问，当时乐队燃放的烟花引燃了柱子上的绝缘泡沫，并迅速蔓延。英语百科 Building insulation materials （重定向自Foam insulation） 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 (conductive, radiative, convective), resistance to heat transfer, environmental impacts, and more. Sometimes a thermally reflective surface called a radiant barrier is added to a material to reduce the transfer of heat through radiation as well as conduction. The choice of which material or combination of materials is used depends on a wide variety of factors. Some insulation materials have health risks, some so significant the materials are no longer allowed to be used but remain in use in some older buildings such as asbestos fibers and urea
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