CLK Silicone Sealant

Nelson Firestop’s CLK silicone sealant is intended for firestop penetrations and construction joints, such as areas around metallic pipes or conduits and for floor-to-wall, floor-to-floor and head-of-wall applications. The waterproof, smoke-proof and gas-proof sealant is installed with a caulking gun or manually using a mason’s trowel or putty knife. It is non-shrinking, non-toxic and has enough flexibility to allow for movement and vibration.

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