100% acrylic coating. Can be applied over plywood, concrete, metal, fiberglass, painted surfaces, and dimensional lumber. Water-based for easy soap and water clean-up. Includes the necessary supplies for waterproofing your deck, all neatly packaged inside the GacoDeck Kit bucket. Kit includes: enough coating to cover 100 sq. ft. of deck, 1.5 pounds GacoDeck Kit texture granules, 1 roll 4"" x 120' polyester tape, 1 3"" paint brush, 1 short-nap roller cover, and 1 videotape with detailed instructions.