There are two popular types of synthetic-rubber coating systems that are designed to be applied directly over exterior plywood or concrete decks. The products that we mentioned, Gacodeck and Mer-Ko, are especially popular for residential use for flat surfaces above living area like a deck, balcony or garage.
Where to get Mer-Ko? Mer-Ko is manufactured by Mer-Kote Products Inc., and is designed specifically for vehicular traffic or garaged vehicles. To learn more, call (800)851-6303.