Or you could wash it by hand with tsp or a similar product available at home centers and paint stores and rinse it thoroughly.
Paint aluminum siding house.
Before you paint aluminum siding clean the surface thoroughly and prime the siding with one coat of acrylic primer.
Expect to pay the premium for good paint.
All of the chalkiness must be washed and scrubbed off and any flaking paint removed.
Coat your roller in primer and roll quickly and evenly along the panel of siding then roll backward in the opposite direction.
2 to 4 hours per 100 square feet of siding.
You may want to tint the primer with a lighter hue of the finish color for easier color application.
Add one pint of paint thinner to the gallon of oil based metal primer paint.
Also unlike vinyl siding aluminum sidings usually require repainting ever now and then.
Once everything is clean and dry you re ready to apply your primer.
Have you ever wondered if you can paint aluminum siding.
Check the label to be sure it s recommended for metal siding.
The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint.
The best way to get this siding clean is to power wash it.
The color may only last half as long as vinyl.
In a nutshell you need to start with a clean palette.
The key to painting aluminum siding is preparation and priming.
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.
In this video toh expert shares his tips and demonstrates how you clean and prepare the surface for painting.
Then paint with two coats of acrylic paint.