Seal and protect glass with our wide supply of glass sealants. Glass sealants form a protective barrier against smears, scratches and other damage. Applying a glass sealant reduces the amount of maintenance and prolongs the life of the glass. Some products like Mr. Hard Water Protectant Sealant protect a variety of surfaces. It is also safe for use on shower doors, metals, tile, fiberglass porcelain and plastic. Other glass sealants include Invisible Shield, Glass Defender and 3-Star Barrier Protectant. Check out our entire selections of Soaps & Chemicals.