Excellent adhesion to ceramic, porcelain, glass, fiberglass composites, enamel, aluminum, stainless steel, wood, many plastics and wallboard * Added silicone makes it more flexible and durable for a long lasting, professional finish - great for sealing around bathtubs, sinks, shower stalls, tiles and plumbing fixtures * Water resistant, so ideal for humid or steamy areas * Contains BioGuard to inhibits mold and mildew growth * 10-Fluid ounce paper cartridge