Flame Resistant Sealant to fill, seal, bond, retrofit and insulate. Forms a permanent, waterproof, and airtight bond to most surfaces. UL classified as a flame resistant sealant. Meets key building code requirements as an approved fire block for service penetrations.
Filling, insulating, sealing, bonding, HVAC, electrical, industrial, plumbing, around electrical outlets, utility panels, ducts, pipes, doors, windows, base plates, joints, cracks, crawlspaces, foundations, spot insulating, touch-ups