Our 3M Fire Barrier Water Tight Sealant 1000 NS is a non-slump, ready-to-use, single component, neutral cure, silicone sealant that cures upon exposure to atmospheric humidity to form a flexible firestop seal. Our water tight sealants help control the spread of fire, smoke and noxious gases before, during and after exposure to fire.
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 2079), ASTM E 2307
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 (STC-Rating of 56 when tested in STC 56-rated wall assembly)
Formulated as a re-enterable and repairable solution
Sealant is paintable with primer
Caulk Gun required for application.