Gorilla's 100% Silicone Sealant provides a strong waterproof seal that is ideal for kitchens, showers, bathrooms, windows, doors, plumbing, gutters and much more!This long-lasting sealant is not only resistant to mold and mildew, but also does not yellow, shrink or break over time.Lasting100% WaterproofReady for a 30 minute showerPorcelain, Metal, Vinyl, Laminate, Stone, Ceramic, Stainless Steel, Granite, Wood, Glass!Use:All surfaces must be clean and free of dirt, grease, oil and old sealant.Insert into the cartridge case.Apply sealant by pushing the bead in front of the nozzle.For cleaning, wipe off the wet sealant immediately with a dry clot.