High-Build Primer Surfacer - 20oz Aerosol Can - Grey High-Build Primer Surfacer is a flexible acrylic coating for priming steel, aluminum, urethane, fiberglass, and plastics. Features: * Provides superior adhesion * Excellent filling properties * Works on multiple substrates, including metal and plastic * Easy to sand * Topcoat with most refinish material Applications: * Steel * Aluminum * Plastic * SMC * Fiberglass Properties: * 20 oz. Aerosol * Coverage: 11 sq. ft. at 2 mil DFT * Coats: 2-3 medium wet * Dry time: 1 hr * Flash time: 5-10 min between coats