If it still looks oxidized pressure wash it wire brush it for better adhesion and paint it.
How to paint oxidized aluminum siding.
Draw a square around the section of damaged aluminum siding that you would like to remove.
If vertical paint up to down.
Cut away the section using tin snips in combination with a utility knife leaving a clean square hole to patch.
Work from the top down to eliminate dripping paint from ruining your hard work.
Step 2 mix 3 cups of liquid trisodium phosphate tsp cleaner and 3 gallons of water in a large bucket.
If your siding is horizontal paint left to right.
Or you could wash it by hand with tsp or a similar product available at home centers and paint stores and rinse it thoroughly.
Have you ever wondered if you can paint aluminum siding.
Paint in long even strokes making sure not to overdo it.
The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint.
Check the label to be sure it s recommended for metal siding.
Spray the siding down with a garden hose.
A razor blade can remove the rest of the paint if the last two steps do not complete the job.
Then use a regular hose to remove the paint and stripper from the aluminum siding.
If your paint is dripping then you have too much.
Rub a generous coat of the soyclean paint stripper on the aluminum siding.
The best way to get this siding clean is to power wash it.
Wet down the siding and if it looks okay when wet you can pressure wash it and try to clearcoat it.
Cut the replacement patch to size three inches larger than the.