Feature●Meets UL Water Leakage Test, W Rating (Class 1 requirements)●Selfleveling formula is optimal for horizontal applications, eliminating the need for tooling●Offers compression and extension capability of ±31% for dynamic and static construction joints●Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115●Fire resistance tested for construction joint (including curtain wall) systems in accordance with ASTM E 1966 (UL 2079), ASTM E 2307●Single component sealer is ready to use with no mixing requiredDescription
Our 3M Fire Barrier Water Tight Sealant 1003 SL is a self-leveling silicone sealant firestop that creates a flexible seal and resists moisture across floors and other horizontal surfaces This ready-to-use, single component neutral cure firestop is tested to ASTM and UL standards to help control the spread of fire, smoke and noxious gasses