3MÂ™ Fire Barrier Water Tight Sealant 3000 WT 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.
3M™ 051115-16593 Watertight Fire Barrier Sealant, Cartridge, 4 hr Fire Rating, Silicon, Light Gray With Black Flecks, -20 to 122 deg F, <=65 g/L VOC
3M™ fire barrier water-tight sealant 3000 WT is a high performance ready-to-use, single component, neutral cure, nonslumping in tumescent silicone sealant. Product cures upon exposure to atmospheric humidity to form a flexible firestop seal that also acts as a barrier to water leakage and airborne sound transmission. 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 and is tested in accordance with ASTM G 21 standard practice for determining resistance of synthetic polymeric materials to fungi.