3M 1000-N/S-10.1oz FB WT Sealant 10

Our 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. Our water tight sealants help control the spread of fire, smoke and noxious gases before, during and after exposure to fire.