Used before painting, Saratoga Z11 covers over stains on interior and exterior walls, paneling, Plasticon wall coverings, cement, plaster, wood, furnishings and varnished metal. It makes successive coats of paint unnecessary, thus reducing work times and guaranteeing a perfect finish, and colours that are uniform and homogenous. Supercoating: eliminates the most difficult of stains (smoke, soot, mildew, damp, dirt, grease, ink, chalk, pencil, felt-tip pen and others), preventing them from reappearing over time. Fast: can be painted over after only a half-hour.