GreenSeel is a ready to use liquid latex waterproofing and crack prevention membrane specifically formulated for use beneath commercial and residential tile and stone interior and exterior applications. GreenSeel's elastomeric properties reduce the risk of substrate cracks transferring to finished tile and stone flooring while providing a continuous moisture barrier for wet areas. Simply open up a pail of GreenSeel, roll, brush, or trowel it on your walls, floors, etc, and you're all set. No need for mixing. GreenSeel is ready to use. GreenSeel provides anti-fracture up to 1/8", completely stops mold and mildew growth, and protects your stone and tile installations. Where to use Greenseel: Shower stalls & tub surrounds, Swimming pools, Steam rooms, Spas & hot tubs, Water features, Interior and Exterior. Approved Substrates - Concrete, cement backer board, styrofoam, block or brick masonry, and mortar beds. Coverage is 175 sf per 3.5 gallons as a waterproofing membrane, and 350 sf per 3.5 gallons as a tile underlayment. Apply with a brush, roller, or trowel.