Masonry Wall Cavity Fire Barrier.
Non Combustible stone wool insulation, Class A1 fire rating.
Pre-Cut sections available to suit cavities up to 300mm.
Thermal Conductivity 0.035 (W/mK)
Polythene enclosed for weather protection.
UP-TO 4 HOUR FIRE RATING
A wider fire barrier is a safer fire barrier..... Fire barrier is the full width of the party wall.....