The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint.
How to get paint off aluminum siding.
Create your solution and clean the siding.
The washer should use a pressure of around 300 pi for the maximum effect.
Cover ground and nearby shrubs with drop cloths.
Use your pressure washer to peel the paint off the aluminum siding.
If lead is present contact a licensed lead abatement specialist.
This should take off bits and pieces of the paint or an entire coat.
Check the label to be sure it s recommended for metal siding.
Put rubbing alcohol on a cloth and wipe as much paint as possible.
What will remove latex paint spots from aluminum siding.
Use your soyclean paint stripper.
Rub siding with cloth to check for powdery paint pigment and mildew.
Use a mix of detergent and warm water to clean the area.
The best way to get this siding clean is to power wash it.
Expect to pay the premium for good paint.
Latex paint is water based which means you can use water to remove latex paint spots especially if the paint.
Inspect the siding for mildew powdery paint pigment and mildew.
Test old siding paint for lead using a lead test kit.
Wipe some liquid wax with steel wool and use it to scrub the affected area until the paint comes off.
Alternatively you can use mineral spirit instead of liquid wax and you can repeat the same process.