Contractors' Solvent 12 oz. Spray is a powerful cleaner designed for tough jobs. It quickly removes tile & carpet adhesive, roof tar, caulk, sap, expanding foam, and more. This heavy-duty degreaser is 100% organic, contains no chlorinated solvents, and is 100% active ingredients. It's safe on concrete, vehicles, laundry, skin, and hair, with no harmful vapors, benzene, or chlorinated solvents. Biodegrades in just 8 days. It's ideal for cleaning stained roofing tar, road tar, grease, oil, wet oil-based lacquers, paints, adhesives, caulk, and mastic.