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100mm Celotex CW4100 Cavity Wall Insulation Board 1200mm x 450mm (3.24m2/Pack)

Name: 100mm Celotex CW4100 Cavity Wall Insulation Board 1200mm x 450mm (3.24m2/Pack)
Brand: Celotex
SKU: 43817411020

by Celotex

£25.31from 2 retailers

GTIN05060153760744

EAN5060153760744

MPNCW4100

Prices updated 7 Jun 2026

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Travis Perkins

BEST PRICESave £53.23 vs highest

Out of stock£30.00 deliveryStandard

£25.31

£55.31 total inc. delivery

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£78.54

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Product Description

100mm Celotex CW4100 Cavity Wall Insulation Board 1200mm x 450mm (3.24m2/Pack) is a partial fill insulation solution for masonry cavity walls. Celotex Cavity Wall Insulation is a high performance, rigid polyisocyanurate (PIR) insulation board, it's doubled sided aluminium foil facing biards are suitable for use in new or old buildings, as well as extensions. Sized to fit between cavity wall ties, it is easy to handle and install - ensure that all installations are according to guidance issued by Celotex. Certified under BBA certificate number 16/5343.

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