Ready-To-Use. An acrylic stain remover to strip away tough-to-remove 100% acrylic solid or semi-solid deck and siding stains, and prepare the underlying surface for re-coating. Product features: Professional strength formula - wetting agent, thickener, and highest concentration of active ingredient allowable provides maximum stripping power. Safer-to-use than paint strippers, no methylene chloride or caustic chemicals. Easy-to-use spray on, rinse off; no scrapping or sanding. Covers approximately 150 Sq. Ft. per gallon.