High density Rockwool stone wool fire and smoke stop for medium size linear gaps in buildings.
Manufactured from high density Rockwool stone wool and permanently held in place by compression without the need for adhesive or intumescent mastic. Prevents the passage of flame and smoke through the void being fire stopped. For gaps greater than 100 mm above masonry walls and partitions use AIM Partition Head Barrier.
Fire performance to BS 476-20:
240 minutes (maximum), assessed by Warrington Fire Research Centre.
Reduces flanking transmission by 9 dB.
Ozone depletion potential of zero, no CFCs or HCFCs used in manufacture.
P12/360 Mineral wool rigid batts
P12/40 Mineral wool rigid batts
Fire Stop Strip
Standard product features