Using vinegar is often the best way to clean aluminum rims on your vehicle as well.
Best way to remove paint from aluminum siding.
Remove the sponge and scrub the paint spots up with a soft bristled scrubbing brush.
Rinsing with the solution may also help remove soap scum if you started with the laundry detergent method.
How much you use depends on the size of your home.
Cut away the section using tin snips in combination with a utility knife leaving a clean square hole to.
Thoroughly scrub the surface of the siding with a dual sided sponge or scrub brush.
Take the razor blade to any remaining paint left on the aluminum siding.
Then use a regular hose to remove the paint and stripper from the aluminum siding.
Dip a cloth of soft bristle scrub brush in the soapy water then gently scrub off the paint.
Steps to remove the paint.
Rubbing alcohol is a mild solvent that will loosen and soften very old latex paint spots from aluminum siding.
A razor blade can remove the rest of the paint if the last two steps do not complete the job.
To use it soak a sponge in rubbing alcohol and hold it over the paint stain for several minutes.
Rub a generous coat of the soyclean paint stripper on the aluminum siding.
Hand scrubbing is very effective at removing chalk from aluminum siding.
If the paint spot is small an old toothbrush or nail brush can work well.
Scrape large portions of paint from the aluminum frame with a plastic putty knife taking care not to scratch or damage the aluminum.
I suggest thinning it with 1 part thinner to 10 parts water and scrubbing on the stain only after testing a small inconspicuous area.
Wipe the area clean of debris with a soft damp rag.
Paint thinner or acetone is said to remove paint stains but may also dull dull the finish on your siding.
As mentioned before 100 percent acrylic latex paint is the best paint to use to paint aluminum siding.
Draw a square around the section of damaged aluminum siding that you would like to remove.
Two washes may be necessary to remove the chalk.