Kabosh ActivStrip Fast Acting Paint Stripping Gel quickly removes multiple layers of latex and oil paints, varnish, stains, lacquers & more in a single application. Stays active and removes up to 15 layers of most paints in 24 hour. Safe for Interior & Exterior Use: Non-Flammable / no harsh fumes / Eco-Friendly. 2x Coverage: Covers 100 sq. ft. / gallon. Works on vertical and horizontal surfaces including wood, metal, masonry, and many more