SEALANTS & ADHESIVES

Sealant is a substance used to block the passage of fluids through the surface or joints or openings in materials, a type of mechanical seal. Sealants are not adhesives but some have adhesive qualities and are called adhesive-sealants or structural sealants. Sealants are materials that prevent fluids and other substances from passing through surfaces and mechanical joints. Sealants also block air leakage, insects, dust, sound, and heat. Sealant is a substance used to block the passage of fluids through the surface or joints or openings in materials, a type of mechanical seal. In building construction sealant is sometimes synonymous with caulking and also serve the purposes of blocking dust, sound and heat transmission.