Envirograf FB70 is a 1.2mm thick x 1220mm reinforced glass cloth impregnated with yellow fire rated insulation coating, giving up to 81 minutes fire integrity. An acoustic version (FB70/AC) approximately 17mm thick is available with Passive Fire Products fire rated sponge adhered to one face of the cloth, meeting the airborne and impact sound requirements of Document E of UK Building Regulations.
Tested to BS476 Part 22 (1987), achieving 81 minutes integrity and 22 minutes insulation.
60 minute rating
Acoustic Version Available
Easy to Install
British and European testing