3M Fire barrier water tight sealants 1000 NS are ready to use, single component, neutral cure, silicone sealants that cure upon exposure to atmospheric humidity to form a flexible firestop seal. 3M Fire barrier water tight sealants 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.
Additional Info: Single Component, Neutral Cure, Color: Light Gray, Service Temperature Range: -60 to 300 deg F, Tensile Strength: 85 psi