Hercules® plumbers Firestop Sealant is latex-based and intended for multi-purpose use. This intumescent sealant provides up to a three hour fire rating and is designed for a wide array of firestop applications in small commercial/grouped residential construction/other structures with similar characteristics. Can be used in systems where dynamic movement is expected: plumbing, HVAC, bath and dryer vents, metallic pipes, non-metallic pipes, conduits and tubing, insulated pipes, electrical and electronic cabling, concrete, gypsum, metal ductwork, wood floors. Expands up to 10 times to block flame propagation. Excellent smoke seal. Water-based for easy cleanup. Water-resistant once cured, will not separator shrink when dry. Tested for excellent acoustical performance, reduces noise transmission. Flexible, non-sagging and low odor. Paintable. Low VOCs. No solvents. Non-halogenated. Does not contain PCBs/asbestos.
Hercules® Firestop Caulk, Pail Container, 5 gal Container, Red, Mild Latex Odor/Scent, 9 pH, 35 g/L VOC, Applicable Materials: Copper, Iron and Steel