The 3M™ Fire Barrier Sealant 3000 WT is a ready-to-use, high-performance, single component, neutral cure, silicone firestop that also acts as a barrier to water leakage and airborne sound transmission. It provides up to 4 hours fire protection.3M Fire Barrier Water Tight Sealant 3000 WT helps control the spread of fire, smoke and noxious gasses before, during and after exposure to a fire when installed in accordance with a listed through penetration or fire-resistive joint assembly. 3M Fire Barrier Water Tight Sealant 3000 WT meets UL Water Leakage Test, W Rating Class 1 requirements for systems tested and listed in accordance with ANSI/UL 1479 & CAN/ULC S115 and is tested in accordance with ASTM G 21 standard practice for determining resistance of synthetic polymeric materials to fungi.
Excellent adhesion
Fire Resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
Firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
Halogen free
Light grey colour with black flecks
Meets optional L-Rating Requirements (smoke seal)
Meets UL 1479 aging requirements
Meets UL Water Leakage Test
Minimizes noise transfer — STC-rating of 53 when tested in STC 54-rated wall assembly
no mixing required
re-enterable and repairable
Sag-resistant
W Rating — Class 1 requirements
weatherability and caulk rate