Check the label to be sure it s recommended for metal siding.
How to wash aluminum siding by hand.
Wet a section of siding with your garden hose.
I recommend using a spray nozzle with an angled setting and working from the top down.
The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint.
Then submerge a long extendable scrub brush in the cleaning solution.
Clean your aluminum siding at least once a year.
After scrubbing finish by rinsing the cleaner with warm water and letting it air dry in the sun.
For a stronger solution mix together one third cup powdered laundry detergent two thirds cup powdered household cleaner one quart liquid laundry bleach and one gallon of water.
Expect to pay the premium for good paint.
Apply solution and scrub.
Or you could wash it by hand with tsp or a similar product available at home centers and paint stores and rinse it thoroughly.
By mimicking rain flow you know you re not damaging your house while you clean it.
To clean aluminum siding start by mixing water liquid dish soap and white vinegar in a large bucket.
To clean stubborn mildew you will need bleach.
Use a bucket of warm water with spic and span 409 or any other all purpose cleaner along with a long handled soft bristled brush and begin scrubbing any dirt or grime still remaining.
Give your aluminum siding a good rinse with the hose first.
If you don t have an extendable brush try attaching a car wash brush to the end of an extendable painting pole.
In a large bucket or container mix 1 cups of simple green oxy solve house and siding cleaner in a gallon of water.
Hand washing aluminum siding usually will remove any dirt or grime still remaining.
Mix your simple green solution.
Mix the two ingredients with the quantities necessary to clean your siding or even for cleaning concrete with vinegar.
The best way to get this siding clean is to power wash it.
Directions for cleaning dirty aluminum siding.
Vinegar and borax are other good eco friendly alternatives for cleaning mold and mildew.
You can also look for special cleaning solutions that are meant for cleaning aluminum siding at your local hardware store.
Use appropriate materials to clean mildew and chalking.