Cavity Wall Insulation
A cavity wall is made up of two walls with a gap in between, known as the cavity; the outer leaf is usually made of brick, and the inner layer of brick or concrete block. Cavity wall insulation fills this gap, keeping the warmth in to save energy.
Cavity wall insulation comes in 2 main forms glass mineral wool slabs and PIR boards. These are available in a variety of thicknesses depending on the width of the cavity and the required performance.
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