3M - 3M 3000WT-4.5gal Fire Barrier Water Tight Sealant, 4.5-Gallon Pail, Gray (7000006306)

The 3M™ Fire Barrier Water Tight Sealant 3000WT 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. Features: TESTED AND LISTED: Up to 4-hours in accordance with ASTM E814 (UL 1479) and CAN/ULC S115; FORMS AN EFFECTIVE WATER BARRIER: Meets the UL Water Leakage Test achieving a Class 1 W Rating in accordance with ANSI/UL 1479; PREMIUM ONE-PART, INTUMESCENT SILICONE SEALANT: For use in both through-penetration and construction joint applications.cures to form a flexible seal; FLEXIBLE HOLD: Continuous seal remains pliable and allows for typical pipe movement; EASILY RE-ENTERABLE: Formulated as a re-enterable and repairable fire barrier solution; HIGH-SOLIDS FORMULA: Produces limited shrinkage