How To Paint Over Old Aluminum Siding

Draw a square around the section of damaged aluminum siding that you would like to remove.

How to paint over old aluminum siding.

Expect to pay the premium for good paint. The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint. Since the oil paint does not cause a reaction with the siding this paint will act as a barrier between the aluminum and the acrylic finish paint. As good as latex primers are these days don t use them in this situation because chemicals in the mix will react with the aluminum.

In a nutshell you need to start with a clean palette. All of the chalkiness must be washed and scrubbed off and any flaking paint removed. Add one pint of paint thinner to the gallon of oil based metal primer paint. The best way to get this siding clean is to power wash it.

Cut the replacement patch to size three inches larger than the. Have you ever wondered if you can paint aluminum siding. That said the paint itself should be the highest grade of 100 acrylic exterior latex you can find. Use it on the siding and you may find that using this sands down to the bare metal which would be the ultimate prep job.

Paint aluminum siding with acrylic. Cut away the section using tin snips in combination with a utility knife leaving a clean square hole to patch. Apply one coat of acrylic primer. Check the label to be sure it s recommended for metal siding.

After your siding dries. Coat your roller in primer and roll quickly and evenly along the panel of siding then roll backward in the opposite direction. Then follow up by two coats of acrylic topcoat paint. However you may find this too time consuming so cleaning with a pressure washer will likely work well enough to get ready to paint.

Or you could wash it by hand with tsp or a similar product available at home centers and paint stores and rinse it thoroughly. If you need to paint aluminum siding choose a day when the weather is at least 50 f 10 c and dry since moisture from rain or dew will ruin a new paint job. The key to successful painting of aluminum siding is oil base primer. Follow these simple steps.