Question

what is different work of insulation

Answer 1

Thermal insulation is defined as products that reduce and slow heat loss or gain by providing a barrier between areas that are significantlydifferent in temperature. Many forms of thermal insulation, such as cellulose and fiberglass, also provide soundproofing to some extent.
Example of insulation :-Thermal insulators (insulators that resist the transfer of heat) include wood, fiberglass, silicone, and ceramics - just to name a few. ... Wood and fiberglass are good insulating materials and are used for insulating homes against the extreme heat and cold of some climates.

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Answer 2

Thermal insulation is defined as products that reduce and slow heat loss or gain by providing a barrier between areas that are significantly different in temperature. Many forms of thermal insulation, such as cellulose and fiberglass, also provide soundproofing to some extent.