GORILLA Waterproof Caulk & Seal 100 percent Silicone Sealant (2.8 ounces). This Powerful Silicone Sealant Seals Out Water, Air And Moisture And Is Great For Kitchen, Bath, Window, Doors, Auto, Marine, Plumbing, Gutters And More! Ready For Water Exposure In Just 30 Minutes, This Waterproof Sealant Is Mold & Mildew Resistant. The Clear Silicone Sealant Won’t Yellow, Shrink Or Crack Over Time. 109329