A versatile, flexible curtain which provides an insulation, smoke and fire cavity barrier. It consists of a rock mineral wool reinforced fleece which is stretched between perimeter fixings and wire stitch jointed for maximum effectiveness.
Rockwool Fire Barrier is 50mm thick and supplied in a roll size 4000mm x 1000m. Rockwool Fire Barrier can be used as a half hour fire and cavity barrier in a single 50mm blanket or up to one and a half hours when two 50mm blankets are used together.
Fire Resistance to BS 476, Part 22 Integrity/Insulation 30 minutes, 60 minutes or 90 minutes.
Unless shown otherwise install barriers to subdivide the ceiling void into areas not exceeding 20Metres in one direction. Fit tightly and fix securely at perimeter and vertical joints leaving no open gaps.
Minimum thickness for continuous clamping angle and strap: 1.5mm. Minimum diameter for threaded studs or bolts: 5mm installed at every 400mm interval. Minimum diameter for Lacing Wire:
0.5mm stitching at every 100mm interval along the butt, overlap or face to face joints.
Rockwool Fire Barrier can be supplied with aluminium foil facing on one or both sides, to provide excellent smoke barrier characteristics and improved acoustic attenuation properties. When used as a cavity barrier the minimum provisions when tested to the relevant part of BS 476 are 30 minutes integrity and 15 minutes insulation with each side tested separately.
Technical PDFs
Rockwool Fire Barrier.pdf
Date Added: 17/08/2017
File Type: pdf