How To Clean Galvanized Sheet Metal For Painting

Clean the surface the goal is to remove any dust dirt or other particulate buildup that could affect the texture of.

How to clean galvanized sheet metal for painting.

Use truck or car wash to clean steel. Most hydrocarbon solvents including mineral spirits leave a thin layer of residue that leads to adhesion failure of the paint film. Scrub metal with liquid laundry detergent. Instead use a water based cleaner degreaser to clean a galvanized surface.

Follow the rinse with a hot water wash. Particle size should be in the range of 8 to 20 mils 200 to 500 microns. This will get rid of the large debris and most of the smaller rocks sand or other pieces of particulate that can scratch the metal. All you need.

Wash galvanized steel with soapy hot water. Step 2 hot water wash. It is the fastest way to clean galvanized metal. Try a pressure washer for large.

Before you wash the galvanized metal simply rinse it off with a hose or some clean water. Most acrylic coatings will adhere directly to cleaned galvanized metal.