Cavity Barrier Fire Stop Sock

Cavity Barrier Fire Stop Socks – helping to meet current regulations.

Manufactured from non combustible insulation (BS 476 Part 20 1987) designed to give 4 hours fire integrity and to restrict the spread of smoke and flames within external masonry walls.
Cavity Stop Socks acoustic properties help to minimise the effect of flanking noise pollution at wall junctions.
Compression fitted into the masonry cavity, they have a polythene protective sleeve to deter moisture.