This is our finest interior latex primer. It assures maximum color and even sheen of all interior enamel topcoats on surfaces that have varying porosity. Use on wood, drywall, plaster, aluminum, and galvanized metal. This is also a quality sealer under wallcovering, fast drying to touch 30 minutes, to sand 2 hours, to recoat 2 hours. Airless spray 2000 P.S.I., tip size 015" to 017". To use on galvanized metal remove any dirt, oils, and contaminants before using.