Dow Corning Clear Glazing Silicone Sealant is a professional quality acetic cure silicone sealant exclusively formulated to meet the needs of glass shop glazers. It forms a long-lasting, water resilient seal with +/- 25 percent movement capability when applied per the directions on the cartridge. Our silicone sealant can be used in general glazing applications, backlite replacement, and skylight installations. It may also be used to repair weatherstripping and gaskets. It's unique adhesion-promoted formulation ensures adhesion to many building substrates, and longer working time means a professional appearance for the finished job. Our silicone sealer can be used on most glass, plastics, metal, repainted surfaces, fiberglass, ceramics, and aluminum. Please keep in mind that Dow Corning Glazing Silicone Sealant is not intended for structural glazing or for use on masonry materials. Check cartridge label for additional limitations.