Liquid Rubber Sealant & Adhesive Caulk is a one-part, moisture cure adhesive that cures to form a permanent, durable rubber coating for use in various adhesive & sealant applications. Liquid Rubber Sealant & Adhesive Caulk has been formulated to offer exceptional adhesion and green strength for adhesive applications and excellent UV resistance and long-term properties for sealant applications. Liquid Rubber Sealant & Adhesive Caulk is a non-slump sealant and can be applied to vertical or overhead surfaces without flowing or sagging.