Insulation trade jargon

Cavity wall

Wall made up to two parallel masonry skins, with an air space between them to aid ventilation.

External wall insulation (EWI)

外墙:贴在外墙上的一层绝缘层，上面覆盖着加固层，然后用一种特殊形式的渲染完成

Full-fill cavity

A wall cavity that has been completely filled with insulation.

Glass wool insulation

Insulation made from layers of glass fibre, compressed together.

Insulation

一种有助于防止热量从一个物体传到另一个物体的材料。

Internal wall insulation (IWI)

A form of insulation where insulating boards are added to the interior of a wall.

Lagging

Insulation around pipes to help regulate their temperature.

Mineral wool insulation

A term for fibrous insulation made of materials such as stone or glass.

Multifoil insulation

Insulation constructed from multiple layers of aluminium covered in plastic foil.

Partial-fill cavity

A wall cavity that has not been entirely filled with insulation.

Sheep wool insulation

Insulation made from sheep’s wool, which can be formed into different shapes depending on usage.

Solid wall insulation (SWI)

Typically found in older houses built before the 1930s, homes with solid wall insulation lose more heat than those with cavity wall insulation.

Stone wool insulation

Similar to glass wool insulation, but made of volcanic stone and able to withstand higher temperatures.

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