Use appropriate materials to clean mildew and chalking.
How to wash aluminum siding by hand.
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.
Or you could wash it by hand with tsp or a similar product available at home centers and paint stores and rinse it thoroughly.
Use a scrub brush to work out any particularly dirty areas of the wall or flooring.
You can also look for special cleaning solutions that are meant for cleaning aluminum siding at your local hardware store.
Mix your simple green solution.
Clean your aluminum siding at least once a year.
Hand washing aluminum siding usually will remove any dirt or grime still remaining.
Vinegar and borax are other good eco friendly alternatives for cleaning mold and mildew.
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.
Mix the two ingredients with the quantities necessary to clean your siding or even for cleaning concrete with vinegar.
Wet a section of siding with your garden hose.
To clean aluminum siding start by mixing water liquid dish soap and white vinegar in a large bucket.
Apply solution and scrub.
Check the label to be sure it s recommended for metal siding.
Directions for cleaning dirty aluminum siding.
In a large bucket or container mix 1 cups of simple green oxy solve house and siding cleaner in a gallon of water.
I recommend using a spray nozzle with an angled setting and working from the top down.
After scrubbing finish by rinsing the cleaner with warm water and letting it air dry in the sun.
The best way to get this siding clean is to power wash it.
To clean stubborn mildew you will need bleach.
Spraying at a downward angle prevents water from getting under the aluminum siding and causing problems underneath.
If you don t have an extendable brush try attaching a car wash brush to the end of an extendable painting pole.
Give your aluminum siding a good rinse with the hose first.
By mimicking rain flow you know you re not damaging your house while you clean it.
Expect to pay the premium for good paint.