B1 Fire Resistant Foam

Selsil B1 Fire Resistant Foam is a moisture cure, one component, fire retardant filling and insulation material. Has a semi-rigid structure, and allows vibration and joint movements, although difficult to bend.

Properties

• Adheres to wood, brick, stone, cement, plaster, asbestos, drywall, hardboard, and metal substrates.
• Resistant to fire for up to 4 hours.
• Serves as a smoke blocking sealant.
• Fills all kinds of cavities, insulates.
• Usable both indoors and outdoors.
• Excellent bonding with construction materials.
• Foam is waterproof once cured.
• Not to be used on polyethylene, Teflon, silicone, and similar materials.
• Not to be applied on sensitive substrates.