How To Paint Aluminum Sheet

Link to product info on amazon and white topcoat.

How to paint aluminum sheet.

Preparing aluminum for painting is an important step. Sand the metal surface with coarse then fine grit sandpaper. Dust or older paint will make the new paint job harder to manage and maintain. You could use a self etching primer affil.

Spray in a quick smooth and even pattern until the surface is covered. Hold the spray paint can 12 to 24 inches 30 4 to 60 9 cm from the surface. You will need to make sure the aluminum is free from older paint dirt dust and grime. Once you ve roughened the surface wipe the sheet metal with white vinegar and a soft clean cloth.

Paint aluminum step 1. Allow the surface to dry and cure for four full. For your application a class 1a film would work. Or you could send it to a processing house and have a chemical conversion coating applied.

Always use a sanding block. Aluminium s smooth surface has to be abraded to allow the paint to have somewhere to get in and hold on to. With most materials this can be done with sandpaper but with aluminium you are best off using an etching primer and leaving it for 4 6 hours before painting. Preparing the project 1.

Remove oil and dirt from the surface of the object you re painting by applying some. The acidity of the vinegar will further abrade the metal. Let the vinegar air dry and then choose. Scrape rust away with warm.

Wash the brush using. Remove old paint with a paint stripper. You can buy them or just make one yourself. Painting on aluminum sheets of 0 7 mm for air conditioning ducts.

Apply self etching primer let dry then sand again. Apply spray paint to the sheet metal. Clean bare aluminum with warm water and a degreasing agent. For best results keep the can parallel to the sheet metal surface and spray in a back and forth motion over the surface.

Apply paint multiple coats and. It is vital to understand that paint sticks to rough surfaces. How to paint sheet aluminum step 1. Apply a coat of etching primer using a four inch paintbrush.

Remove oil and dirt. Scrub any greasy or oily areas using a degreaser and a brush. Fill a tub or bucket with warm water then add a few. Follow the instructions that came with the paint stripper as each brand could.