Timloc Thermo- Loc FRSTOP Fire Rated Cavity Stop Sock for 170mm Cavity

FRstop 1-hour fire-rated cavity stop sock. Designed to restrict the spread of flames within external masonry and to further minimise the effect of flanking noise pollution at wall junctions. - FRstop cavity stop socks are lengths of low resin, non-combustible, rockfibre mineral wool sleeved in 35 micron polythene for on-site weather protection - 1 hour fire integrity and minimum 15 minute insulation - Polythene encapsulated cavity stop sock - Meets the requirements of the Robust Detail, Approved Document B and NHBC Standards

Please Note: This is a bespoke, made to order item and cannot be cancelled or returned under any circumstances.