A 2mm thick compressible fire rated intumescent strip, self adhesive backed that fits to the bead each side of the glazing.
Fire rating -
30 minutes - 8mm,10mm and 15mm width
60 minutes - 20mm and 23mm width
Supplied in 10 metre rolls.
Size: Width (mm)
Envirograf Product 77
This product was used in a number of fire resistance tests employing the general procedures and criteria of BS476 Part 22 (1987).
An integrity of 45 minutes (10mm thick hardwood or 15mm thick softwood) and up to 65 minutes (20mm wide hardwood) was achieved.
Product size option G15/10 was used in aluminium window frames and achieved 49 minutes intergrity.