SUPER STRIPPER is designed to clean asphalt, fiberglass shingles, wooden decks and wood fencing, to remove thick paint and sealers. This product should be mixed at a rate of 1:10, but can be mixed stronger if desired and application surface is tested. This product will work in cold water as well as hot water, and rinse free at any temperature, rinse with high volumes of water not high pressure. For use in hot pressure washers, apply to the surface at the rate of 1:10. For use in cold pressure wash systems, use at the rate of 1:4. This product contains Sodium Hydroxide. Neutralize wood after rinsing with WOOD BRIGHTENER Product No. 60770. Shipping more than two gallons will require a $28.50 hazmat fee.