3 M Water Tight Silicone Firestop 1003 SL (Self-leveling)

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. Excellent caulk rate and sealant can be applied with conventional caulking equipment Exceptional weatherability for durability during construction Fire resistance tested for construction joint (including curtain wall) systems in accordance with ASTM E 1966 (UL 2079), ASTM E 2307 Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115 Formulated as a re-enterable and repairable solution Halogen-free formula helps control spread of noxious gasses, smoke and flame Meets UL Water Leakage Test, W Rating (Class 1 requirements) Minimizes noise transfer (STC-Rating of 56 when tested in STC 56-rated wall assembly) Neutral cure