3M CP25WB Fire Barrier Caulk, 10.1 Oz Framing Squares Black mark and detergent resistant

Black mark and detergent resistant

Size: 10" x 8"

Will not crack or rust

Design certified and agency listed

Quality galvanized wire with durable zinc coating resists weathering as well as wear and tear

3M CP25WB Fire Barrier Caulk, 10.1 Oz Framing Squares Black mark and detergent resistantForms a tight barrier against fire, smoke and toxic fumes. Suitable for a wide variety of through penetration fire stops, including cable, metal pipe, insulated pipe, glass pipe, construction gaps, HVAC ductwork and certain plastic pipe applications. Cures to form a flexible seal, installs with a standard caulking gun, pneumatic pumping equipment or putty knife. ASTM, FM and U. L. tested for 3 hour fire penetration seal for walls and floors.