It s best to use a power washer angling the spray in the direction rain would hit the house as washing from the bottom up can cause unnecessary damage to the siding.
Clean aluminum siding for painting.
The key to painting aluminum siding is preparation and priming.
Tsp is a powerful cleaner that i use for all sorts of tough jobs from scrubbing our tile floors and kitchen cabinets before painting to washing aluminum siding.
It doesn t have any odor and doesn t suds up like other cleaners.
The best way to get this siding clean is to power wash it.
It s not hard to clean oxidized aluminum patio furniture or siding if you have the right materials.
Before you paint aluminum siding clean the surface thoroughly and prime the siding with one coat of acrylic primer.
Clean chalky aluminum siding with cleaning products the white chalky residue on your siding often takes place from weathering mildew or exterior paint chipping.
As an experiment rub a clean white cloth across the unwashed siding.
To clean your aluminum siding choose a dry windless day.
You need to scrape off peeling and flaking paint and then chisel out any old caulk lines and apply new ones.
The average cost to paint aluminum siding on a home ranges from 3 125 to 8 300 for a 2500 square foot home but most homeowners report spending about 5 730 cost will vary based on labor paint prices and the condition of the metal.
Then paint with two coats of acrylic paint.
The cloth will likely come up dark gray with a layer of fine soot.
All of the chalkiness must be washed and scrubbed off and any flaking paint removed.
There s still more preparation to address before painting aluminum siding.
The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint.
If you choose to use any chemicals complete a final rinse to remove remaining materials because residual chemicals can be damaging to your painting process.
On average this project costs 1 50 to 2 50 per square foot including preparation labor and clean up.
Steps for painting aluminum siding.
Once everything is clean and dry you re ready to apply your primer.
Once you ve determined what cleaning method to use try to work in the shade as much as possible.
Check your siding first for signs of mildew chalking and needed repairs.
Check the label to be sure it s recommended for metal siding.
Mix 2 ounces of tsp into a gallon of warm water in a chemical sprayer.
In a nutshell you need to start with a clean palette.
In this video toh expert shares his tips and demonstrates how you clean and prepare the surface for painting.