In The Swim Clear Pool Deck Semi-Gloss Finish Sealer - 1 Gallon Water-based acrylic coating designed to protect and improve the appearance of concrete surfaces Can be used on concrete pool decks, patios, pavers, aggregate walkways, water features, rock, stone, and more Not recommended for wood surfaces or stamped concrete Coverage: 275-450 square feet per gallon, 2 coats required for most applications Product dries to a semi-gloss finish and can be walked on in 24 hours