How To Spray Varnish On To Sheet Metal

For best results keep the can parallel to the sheet metal surface and spray in a back and forth motion over the surface.

How to spray varnish on to sheet metal.

The paint should adhere to the prepainted metal surface. Spray in a quick smooth and even pattern until the surface is covered. On older galvanized metal surfaces where the zinc coating has begun breaking down known as white rust use a wire brush or fine sandpaper to remove the chalky film before cleaning it. Shake the can vigorously for 45 to 60 seconds and spray onto a cardboard box or the bottom.

Wash the metal thoroughly with hot soapy water. The acidity of the vinegar will further abrade the metal. Rinse the metal and let it dry completely for several hours. Acrylic latex provides the best coverage on prepainted surfaces.

Rinse the metal with a weak solution of water and ammonia and allow it to dry. Keep your coats thin for a smooth even finish. Apply 2 to 3 thin coats of rust inhibiting metal spray paint. Let the vinegar air dry and then choose.

The acid in the vinegar will act to etch the metal and help the paint adhere. After removing loose paint first apply an orbital sander using 60 grit sandpaper working up to 100 grit sandpaper for a smooth finish. Use a brush roller or spray can depending on your preference or the size and shape of the metal object. Once you ve roughened the surface wipe the sheet metal with white vinegar and a soft clean cloth.

Be sure to wait at least 2 hours before applying an additional coat. Hold the spray paint can 12 to 24 inches 30 4 to 60 9 cm from the surface. Apply latex paint to the surface. Once again read your product s instructions shake the can for as long as directed and use even continuous strokes.

Once the metal has dried dampen a cloth with white vinegar and wipe the surface down. Apply spray paint to the sheet metal. The acidity of the vinegar will react with the metal treating the surface to promote paint adhesion. Get your mask gloves and goggles on and test your spray paint to ensure it provides a thin fine mist.

Remove any handles or other attachments from the metal.