Quality tested paint and primers formulated to meet the marine environment. Self-etching phosphate primer chemically bonds with aluminum and steel to form a corrosion-resistant base coat. For aluminum surfaces above or below the waterline use our Zinc Chromate; this power primer etches into the aluminum to form a strong surface and primer bond that is corrosion resistant. For surfaces above the waterline, features bare metal, steel, iron, fiberglass, and wood. For steel and iron surfaces, especially welded joints, above or below the water line, use Zinc Cold Galvanizing or Zinc Phosphate; this corrosive barrier contains a high percentage (95 Feet) of zinc, giving maximum protection against solvents and abrasives.