The Moisture Barrier

Caulks and sealants really help set off the beauty of any tiled surface but they also act as a last line of defence against moisture. Their primary function is to keep water from seeping behind sinks, showers and tubs from coming in under doors and windows in your home. However, the constant water assault in these environments often makes the caulk itself a target for mold, mildew and stain-causing bacteria growth. The humid environment of the bathroom makes it hard for moisture to completely leave some places like the caulk in your shower. Getting to the mold and cleaning it up right away can leave your bathroom healthier and prevent the mold from spreading beneath the caulk and inhabiting your shower walls.

Simple Solution

If mold is only showing up in spots on your caulk, it is probably confined to the surface area where it can be scrubbed and bleached away. Fill a bowl with warm water and detergent and apply the soapy mixture directly on the mold with a soft, clean cloth and rub gently to remove surface debris. Rinse thoroughly after this step then apply concentrated bleach onto the caulk itself and let it sit for approximately 10 minutes. Scrub with a soft bristle brush before finally rinsing with water.


Best Solution

Antimicrobial technology can be incorporated into these sealants to fight the growth of stain-causing bacteria, mold and mildew, keeping the surface of the sealant cleaner between cleanings. The technology is durable and is incorporated during the manufacturing process, so it will not wash off or wear away, providing a stubborn barrier against microbes. The technology is always on guard and works around the clock for added peace of mind.

Microban® Protection



Headquartered in Baltimore, Maryland, DAP is the leading marketer of caulks, sealants, adhesives, insulating foams, spackling, glazing, and other general patch and repair products. Dap treats it’s premium products with Microban Antimicrobal Product Protection to fight the growth of stain and odor-causing bacteria, mold and mildew on the caulk and sealants.

Tips for keeping your Caulk and Sealant clean Learn More

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