The no-drip formula of Sunnyside's Back to Nature Multi-Strip Professional Paint Remover clings to vertical surfaces and fills detail areas, making removal of paint and varnish from any surface an easy task. One application is capable of removing up to 15 layers of paint or varnish. Use this Paint Remover on oil or water-based paint and varnishes, or on more difficult coatings such as two part epoxy and urethanes. Safe to use on interior and exterior surfaces including wood, plaster, concrete, marble, metal, brick, masonry and stone. Not for use on sheetrock, plastic, rubber or linoleum.