Manufacturers Safire, Nullifire and Rockwool Product Fire Batt is a lightweight fire protection for up to 4 hours for passages through fire rated compartment walls and floors. It consists of 160kg/m3 density mineral fibre slabs, coated with a white, class ‘O’ flexible, waterproof ablative coating to produce a durable fire barrier for service penetration openings. … Continue reading Fire rated Batt