CW4000

Celotex CW4000 'Cavity Wall', a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: partial fill cavity between the outer leaf and inner block with a 50mm residual cavity.

Available in thicknesses from 40mm - 100mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 120kPa and a Vapour Resistance that typically exceeds 150 MNs/gm.