INTERLUX INTERSTRIP PAINT & VARNISH REMOVER (Semi-paste) Needs no water, no sandpaper, strips paints, antifoulings, enamels, varnish and polyurethane, on all metals, fiberglass, most plastics, epoxies, and woods. Thick enough to stay where you put it (overhead or vertically on boat). Excels at toughest jobs. If applied properly, Interstrip will remove all layers in one application (1-40 coats). Remove with any scraper, knife or stubby brush.