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’.

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 100mm