BOSS 813+ Fire Retardant PU Foam

BOSS® 813+ Fire Retardent Foam is a one-component, self-expanding, ready to use PU-foam, which contains HCFC and CFC-free propellants which are not harmful to the ozone layer. The product also has fire-retardant characteristics, according to the European standard EN 1366-4. It has high acoustic insulation properties, in addition to its thermal insulation characteristics.

Features :

• Excellent bonding properties.


• Fire-resistant in a joint (EN 1366-4).


• Good adhesion on all surfaces (except PE, PP, and PTFE).


• High filling capacity.


• High insulation value – thermal and acoustic.

Applications :

• All foam applications in static joints.


• Applying acoustic baffles.


• Installation of fireproof doors and windows.


• Sealing of all openings in roof constructions.


• Sealing of fire-retardant joints in walls, ceilings, penetration seals, and joints.