Natural Soy Products Wood Sealer in a Gallon Container for Sealing Wood Decks and Porches SoySeal is a natural soy-based sealer and waterproofer for all wood, decks, and docks. One gallon . Natural Soy Products' Wood Sealer is non-toxic made from 100% all natural ingredients. One gallon covers about 150 to 200 square feet, depending on age and dryness of wood . Sealer also prevents wood from splitting due to continuous exposure to heat and water. Spreads evenly, will not bead. All Natural Soy Products contain no hazardous ingredients as defined by the U.S. OSHA Hazard Communications Standard 29 CFR 1910.1200 or the Canadian Hazardous Products Act S.C. 1987, C30 Part 1 . Natural Soy Products Wood Sealer and Water Proofer Features No caustic alkalis to darken wood and raise grain or burn skin and eyes. Soy-based, environmentally friendly Non-Toxic Biodegradable High flash point Made in USA by Natural Soy Products This item ships from a separate warehouse and may require extra time for delivery.