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
Fire Resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
Meets UL Water Leakage Test, W Rating — Class 1 requirements
Meets optional L-Rating Requirements (smoke seal)