Specifically developed for the contractor trade. Designed for the contractor, this industrial degreaser workhorse is exceptional at cleaning concrete, removing silicone, caulk, putty nails, floor adhesive, water seal, wet paint (won't harm dry paint), roofing tar and more from virtually any surface! a heavy-duty degreaser and concrete cleaner; it's even safe on vehicles, laundry, skin and hair! no harmful vapors, benzene or chlorinated solvents.