Cavity closers designed to eliminate damp and cold bridging around doors, windows, and sills.Suitable for a range of cavity sizes up to 150mm by easily cutting to size using the pre-cut grooves. 20mm insulation thickness. Compliant with Building Regulation Approved Documents C, L1 and L2 and satisfies BRE document ‘Thermal Insulation: avoiding risks’. View LABC certificate. Key Features To close the cavity at external doors, window jambs and sills To provide thermal insulation and prevent ‘cold bridging’ To provide a DPC at external doors, window jambs or sills Suitable for cavities up to 150mm
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