1003SL-PAIL [3M]

3M™ Fire Barrier Water Tight Sealants 1000 NS and 1003 SL are ready-to-use, single component, neutral cure, silicone sealants that cure upon exposure to atmospheric humidity to form a flexible firestop seal. They help 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. 1000 NS is a non-slump firestop used primarily on vertical surfaces while 1003 SL is a self-leveling firestop ideal for floor applications. Both products are elastomeric, ready-to-use and exhibit excellent weatherability. They meet UL Water Leakage Test, W Rating — Class 1 requirements.