Damp proof course cavity closer.
Rockwool stone wool to polythene damp proof course cavity closer.
The Rockwool insulation used for the horizontal closer is pre-compressed to enable it to take up any minor irregularity in the wall void. This procedure also makes the insulation more flexible and easier to handle.
Complies with Building Regulations (E&W) Approved Document E and the National House Building Council (NHBC) Requirements.
The damp proof course conforms to BS 6515:1984.
Fire resistance to BS 476-20:
Designed to provide resistance to the passage of flanking sound within the wall cavity adjacent to separating floors.
Standard product features
Size (l x w):