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Thermaclass Cavity Wall 21
Celotex Thermaclass Cavity Wall 21, a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: cavity wall applications with up to a 10mm residual cavity or full fill cavity applications with no residual cavity.
Available in thicknesses from 90mm - 140mm
Has a Thermal Conductivity of 0.021 W/mK, a compressive strength of 120kPa and a Vapour Resistance that typically exceeds 300 MNs/gm.£1,088.25 – £1,159.22 View products