Home > Term: Cavity walls
Cavity walls
A wall comprising two layers of brick or block separated by a cavity (gap). This air space acts as an insulator, but does so more effectively if filled with an insulating material, such as plastic foam or natural materials like wool or recycled newspaper.
- Part of Speech: noun
- Industry/Domain: Natural environment
- Category: Climate change
- Company: BBC
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- Harry8L
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(London, United Kingdom)