Fire Barrier Water Tight Sealant, 20 oz, Sausage, Gray, Paste, Silicone

3M™ fire barrier water tight sealant 3000 WT provides up to 4-hour fire protection in tested and listed systems. It is a gun-grade, intumescent, silicone, elastomeric sealant that cures upon exposure to the atmosphere to form a monolithic flexible firestop seal. Properly installed, this sealant helps control the spread of fire, smoke and noxious gasses before, during and after exposure to fire and exhibits good adhesion to a full range of construction substrates.

• Firestop tested up to 4 hours in accordance with ASTM E814 (UL 1479) and CAN/ULC-S114
• High-solids formula produces limited shrinkage
• Continuous seal remains pliable and allows for typical pipe movement
• Re-enterable and repairable fire barrier sealant
• Offers excellent sealant and caulking properties
• Sealant helps minimize noise transfer