For compartmentation of large cavities
Rocksilk Fire Barrier is classified as Euroclass A1 to BS EN 13501-1, Class 1 Surface Spread of Flame to BS 476:Part 7 and Class ‘O’ to the Building Regulations.
Fire resistance is effective from either side of the barrier. A 50mm Rocksilk Fire Barrier satisfies the criteria laid down in the Building Regulations for a half hour cavity barrier.
Rocksilk Fire Barrier is a non-combustible, flexible mattress faced on one side with galvanised wire mesh which is stitched to the mattress with wire. Rocksilk Fire Barrier is available either unfaced or foil faced on one side between the wire mesh and the mineral wool.
|Facing||Thickness (mm)||Length (mm)||Width (mm)||Are per roll (m2)||Roll per pallet|