Oatey Hercules 10oz Plumbers Firestop Caulk Sealant - 25696

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 or grouped residential construction or 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. Waterbased for easy cleanup. Water-resistant once cured; will not separate or shrink when dry. Tested for excellent acoustical performance; reduces noise transmission. Flexible nonsagging and low odor. Paintable. Low VOCs. No solvents. Nonhalogenated. Does not contain PCBs or asbestos.Tested and classified for metallic pipes nonmetallic pipes electrical & electronic cabling metal ductwork insulated pipes and wood floors.Expands quickly and aggressivelyHighly FlexibleWater-based for easy clean upFire rating of up to 3 hoursDensity: 9 lb/galPH: 9In Servce Temperature Max: 130 Degrees FVOC Content: 35 g/l.