140mm x 1190mm x 450mm Thermaclass Cavity Wall 21 - British Building Supplies

140mm x 1190mm x 450mm Thermaclass Cavity Wall 21

Thermaclass Cavity Wall 21 is an easy to install, polyisocyanurate (PIR) insulation board for full fill cavity wall applications, with excellent thermal performance (0.021 W/m.K). Featuring a low emissivity foil facing, it can be installed with up to a 10mm residual cavity (to support ease of installation and accommodate mortar squeeze) or as a full fill solution with no residual cavity.

140mm x 1190mm x 450mm Thermaclass Cavity Wall 21

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