10OZ Fire/Smoke Sealant

Osi Greenseries 10 OZ, Red, Flameseal Fire, Smoke & Draft Stop Sealant, Non-Flammable, Latex Based, For Use In Both Residential & Commercial Fire Stopping Applications, Developed To Seal Service Penetrations & Joints In Fire Separations & Firewalls, Prevents The Passage Of Flame, Smoke & Fumes Under Actual Fire Conditions Of 1, 2 & 3 Hour Fire Resistance Rate Systems, Utilizes A Special Waterborne Technology, Non-Toxic, Non-Hazardous, Cleans Up With Water, For Use In Penetrations In Fire Rated Gypsum Wallboard, Concrete, Concrete Block & Wood Partition Floor & Wall Assemblies, Sealing Applications Include CPVC Plastic, Copper, Steel Cast Iron & Other Common Building Materials, Adheres To All These Surfaces Plus Wood & Drywall.