Barrier Sealant Water Tight Fire, 4.5 Gal, Pail, Light Gray, Paste, Odorless

3M™ fire barrier water tight sealant 1000 NS is a ready-to-use, single component, neutral cure, silicone sealant that cures upon exposure to atmospheric humidity to form a flexible firestop seal. Water tight sealants help control the spread of fire, smoke and noxious gases before, during and after exposure to fire.

Features

• Sealant is paintable with primer
• Firestop tested up to 3 hours in accordance with ASTM E814 (UL 1479) and CAN/ULC-S115
• Fire resistance tested for construction joint (including curtain wall) systems in accordance with ASTM E 1966 (UL 279), ASTM E 237
• Excellent caulk rate and sealant can be applied with conventional caulking equipment
• Non-slump, halogen-free formula provides strong adhesion
• Exceptional weatherability for durability during construction
• Minimizes noise transfer
• Formulated as a re-enterable and repairable solution