Aluminum is a corrosive and rust-resistant material that will not rot. It adds energy efficiency to your home and is extremely cost effective. For these reasons, aluminum siding has been a popular choice for homeowners for nearly sixty years. It is easy to paint your aluminum siding to create a look that suits your home regardless of whether or not the siding has been painted in the past.
Instructions
Paint
1. Remove any chalkiness or white oxide spots before painting your aluminum siding for the first time. Scrub these spots gently with a scouring pad. Take care not to scratch the aluminum with the pad because this could leave grooves in the siding.
2. Clean the siding. Take a solution of mild cleaning detergent and warm water. Scrub the siding from top to bottom, working back and forth as you go. Pay special attention to any mildew or caked on dirt. Rinse the siding and allow to dry thoroughly before priming. The time for this will vary based on the weather conditions and the size of your house, but will usually take 2 to 3 hours.
3. Apply the primer with a roller. Work from left to right, starting at the top of your house. Allow the primer to dry overnight. Check to see if there are any areas where the aluminum shows through the primer. If so, paint the siding again with another coat of primer and allow to dry.
4. Paint the siding with an acrylic-based latex exterior paint. You can apply the paint with a paint roller or use a sprayer if you are experienced. At least two coats should be applied to your siding for longevity. Be sure to allow each coat to dry completely before adding another coat.
Repaint
5. Begin by washing down your siding with a garden hose and fine spray attachment. Rinse the siding completely until no more white particles come off. Wash off all dirt and debris from the siding with a solution of mild detergent and water. Allow to dry completely.
6. Mix the primer with paint thinner well. A recommended solution is 1 pint of paint thinner to each gallon of oil-based exterior metal primer. If you would prefer, you can have the primer tinted the same shade as the final color to aid in hiding imperfections.
7. Prime the house. Because the primer will be somewhat runny, you should apply small amounts. Work from the top down and from side to side. Let the primer dry for a day or two before painting.
8. Paint your siding with a high-quality acrylic latex exterior paint. Use a paint roller recommended for smooth surfaces. A long-handled extension will help you reach high places. One coat of paint should be sufficient unless you are repainting your siding from a darker color using a lighter color. In this case, you may need a second or third coat. Let your siding dry for twenty-four to forty-eight hours before touching or getting wet.
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