Ready to use, 3M™ fire barrier watertight sealant 3000 WT is an intumescent, silicone elastomeric sealant. This gun grade sealant cures upon exposure to the atmosphere to form a monolithic flexible firestop seal and, when properly installed, this product provides up to 4 hr fire protection in tested and listed systems. This sealant is water tight to help prevent the intrusion of moisture. It is an ideal choice for CPVC piping. We formulated this sealant to help prevent the spread of Fire, smoke and noxious gas and firestop joints and through-penetrations through floor slabs, walls and other fire-rated building partitions and assemblies.

3M™, 7000059413, Fire Barrier Sealant, Watertight, Sausage Pack Container, 20 fl-oz Container, Composition: Melamine, Siloxanes, Silicones, Di-Me, Hydroxy-Terminated, Graphite, 3M Fire Barrier Watertight Sealant, Poly(Dimethylsiloxane), Methyl Tris(Butylideneaminooxy)Silane, Silica, Synthetic Amorphous Silica, Fumed, Crystalline Free, (3-Aminopropyl)Triethoxysilane, 3-Iodo-2-Propynyl Butylcarbamate, Paste Form, 20 to 40 min Application Time, Fire Rating: 4 hr, Gray, Low Odor/Scent, -20 to 122 deg F, 1.25 Specific Gravity, <=65 g/L VOC

Mechanical, Electrical and Plumbing Applications, Metallic Pipes, Non-Metallic Pipes, Cable Trays, Bus Ways, Combos, Insulated Pipe, HVAC Duct Penetrations, Fire Barrier Features, Conduit, Power and Communication Cables Applications