Construction Materials Cavity Closures (Ventilation)

100mm Multi Width

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 150mm

Available at all three branches

150mm Multi Width

Cavity closers designed to eliminate damp and cold bridging around doors, windows, and sills.

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

Available at all three branches

Construction : Ventilation : Cavity Closures

100mm Multi Width

150mm Multi Width

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