How To Paint Aluminum Sheet Metal

Spray the sheet metal with white vinegar and wipe it down with a clean rag.

How to paint aluminum sheet metal.

After cleaning the panels they should be rinsed completely with clean water. Preparing the project 1. Wash the entire sheet aluminum surface using a. Remove old paint with a paint stripper.

Apply a coat of etching primer using a four inch paintbrush. Apply a conversion coating to finish the acid etching process. Painted sheet metal features benefits. This will remove any dust and dirt from the surface of the sheet metal.

Clean bare aluminum with warm water and a degreasing agent. For your application a class 1a film would work. Panels should then be left to air dry. To prep metal for paint adhesion you must first clean it with soap and water remove light rust with a wire brush sand it with fine grain sandpaper and then in most cases prime.

Scrape rust away with warm. 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. Link to product info on amazon and white topcoat.

Both steel and aluminum sheet metal can be painted to your customer s specifications. How to paint sheet aluminum step 1. Wash the brush using. Painted sheet metal gives any roofing project a highly customized look without sacrificing durability and performance.

The vinegar s acidity will further abrade. Or you could send it to a processing house and have a chemical conversion coating applied. Fill a tub or bucket with warm water then add a few. Apply a cold water and phosphoric acid mixture to prepare the aluminum surfaces to accept and cling to paint.

You could use a self etching primer affil. Follow the instructions that came with the paint stripper as each brand could. Allow the surface to dry and cure for four full. Aluminum needs a pretreatment on it because paint will not stick.

Scrub any greasy or oily areas using a degreaser and a brush. You can choose to roll on spray on or brush on a professional aluminum primer.