Now with Microban antimicrobial technology! STONETECH Heavy Duty Grout Sealer is a water-based penetrating grout sealer that offers advanced stain and antimicrobial product protection on grout surfaces. Designed to keep grout looking newer longer, it protects against oil and water-based stains and inhibits the continuous growth of bacteria, mold and mildew.
STONETECH Heavy Duty Grout Sealer is a natural look water-based grout sealer that does not alter the appearance of the grout. A safer professional grade solution for you and the environment when compared to high VOC solvent-based sealers. Use this grout sealer to inhibit growth of mold on grout. Great for use on sanded and non-sanded cement based grouts with natural stone, tile, and masonry surfaces in interior and exterior applications.
Features & Benefits
Advanced Stain Protection - Offers heavy duty protection against oil and water-based stains
Microban Antimicrobial Technology - Inhibits the continuous growth of bacteria, mold and mildew§ 
Penetrating, Natural Look Sealer - Preserves the original look of the grout
Water-Based Formula - Better for you and the environment
Low odor, non-flammable, weather resistant - Great for interior and exterior use
§Antimicrobial technology is not designed to protect users against disease causing microorganisms. Normal cleaning practices should be maintained.
Packaging Summary
ST306-0624: 24 fl oz (709 mL) Spray Bottle
ST306-0632: Quart /32 fl oz (946 mL) Bottle
ST306-0401: Gallon /128 fl oz (3.8L) Bottle