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R-Value: 5.45m2K/W. Fire Rating (Reaction to Fire): E. 115mm Celotex Thermaclass Cavity Wall 21 is a high performance rigid PIR full fill cavity insulation board with low emissivity foil facings offering enhanced thermal performance (0.021 W/m.K) within cavity air spaces. It can be installed with up to a 10mm residual cavity or as a full fill.. Publish date: 06 Sep 2023 | Reference code: 003-377 Thermaclass Cavity Wall 21 Data Sheet PIR Insulation for Full Fill Masonry Cavity Walls Thermaclass Cavity Wall 21 is an easy to install, polyisocyanurate (PIR). Environmental All Celotex products are manufactured under Environmental Management System – ISO 14001:2015. Certiﬁcation BBA.

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Thermaclass Cavity Wall 21 (Celotex)

90mm Thermaclass Cavity Wall 21 Celotex Thermaclass (1190mm x 450mm x 90mm) 3.21m2 (Pack of

90mm Celotex Thermaclass Cavity Wall 21 Insulation Board 1190mm x 450mm

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4 Boards x 140mm Celotex Thermaclass Cavity Wall 21 Insulation 1190m DIY Building Supplies

90mm Thermaclass Cavity Wall 21 Celotex Thermaclass (1190mm x 450mm x 90mm) 3.21m2 (Pack of

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Celotex Sheathing Board

115mm Celotex Thermaclass Cavity Wall 21 Full Fill Insulation Board T&G 1200mm x 450mm (2.68m2

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CELOTEX THERMOCLASS CAVITY WALL 21 90MM X 450MM X 1190MM (3.21m2/Pack) Wiltshire Timber

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Celotex Thermaclass Cavity Wall 21 90mm & 115mm PIR Cavity Wall Insulation

Celotex Thermaclass Cavity Wall 21 Encon & Nevill Long

90mm Celotex Thermaclass Cavity Wall 21 is a large available in a range of thickness 90mm, 115mm and 140mm. To get the information on 90mm Celotex Thermaclass Cavity Wall 21 insulation range directly from the Celotex insulation manufacturer click here. If this is not what you are looking for, the Celotex brand has a wide number of options to.. R-Value: 4.25m2K/W. Fire Rating (Reaction to Fire): E. 90mm Celotex Thermaclass Cavity Wall 21 is a high performance rigid PIR full fill cavity insulation board with low emissivity foil facings offering enhanced thermal performance (0.021 W/m.K) within cavity air spaces. It can be installed with up to a 10mm residual cavity or as a full fill.