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cavity wall insulation problems
cavity wall insulation removal - Cavity Wall Insulating Material Problems

Why do properties possess a cavity?

Prior to 1924, nearly all properties were constructed without a cavity. That is also referred to as 'solid wall construction'. From 1924 onwards, most properties were constructed with a cavity or air gap between the two layers of brickwork. Many people think that filling the cavity with an insulating material will permit this to happen and a cavity was added to prevent water from passing to the interior from the outside. Since they are faster to assemble and cheaper properties were constructed with a cavity. If filling the cavity with insulation caused problems, building regulations (which came into effect in 1982) would not set that new properties are fitted with cavity wall insulation. Additionally, if it did cause a substantial amount of issues, the Government and Utility Companies would not be spending billions of pounds insulating old properties, as they've done since the late 1990's.

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