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.
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