F4P F4P FIRE BLOCK Residential Grade Fire Caulk 10.3 FL OZ

Fire-Block Caulk, 10.3oz Tube

F4P Fireblock-X is a noncombustible caulking compound used to fill the annular space around vents, pipes, ducts, cables and wires at ceiling and floor level in non-rated one and two-family residential construction. Fireblock-X is designed to seal penetrations to resume the integrity of fire blocks within concealed stud wall cavities and prevent the free passage of draft, flame, smoke, and toxic gases.