It s not uncommon to have a mildew problem on aluminum siding depending on where you live.
Cleaning solution for painted aluminum siding.
There are three ways to clean the siding.
Mix tsp with warm water in chemical sprayer 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.
Besides soap and water a solution of three parts white vinegar to seven parts water also works well on vinyl siding and painted homes.
It removes the aluminum stains through aluminum oxidation or tiger striping.
Choose a liquid concentrate such as scotts outdoor cleaner plus oxiclean 9 99 per gallon.
You can also look for special cleaning solutions that are meant for cleaning aluminum siding at your local hardware store.
Scotts which is easy to use in a garden sprayer or pressure washer.
Vinegar and borax are other good eco friendly alternatives for cleaning mold and mildew.
To clean stubborn mildew you will need bleach.
Rinse afterward from the top down.
To clean aluminum siding start by mixing water liquid dish soap and white vinegar in a large bucket.
Consider soft washing a lot of the challenges that come with power washing aluminum siding can be avoided by simply opting for soft washing.
Wear gloves then mix in a bucket a cleaning solution of one cup chlorine bleach one cup tsp and one gallon of water.
This detergent solution should be made from a tri sodium phosphate for example the laundry detergent name brand spic n span.
Spray this mixture on remaining spots.
Then submerge a long extendable scrub brush in the cleaning solution.
It works fast and doesn t harm the surroundings in the process.
Scrub with a sponge soak abrasive sponge in cleaning solution and scrub siding clean.
Alumklean is an aluminum siding and gutter cleaner by wash safe industries.
It doesn t have any odor and doesn t suds up like other cleaners.
To clean aluminum siding having mildew use a solution of one part bleach and four parts water.
Less volatile than chlorine it removes mildew on and below the surface as well as algae dirt and oxidized paint but won t harm plants or clothing.
Use appropriate materials to clean mildew and chalking.
Do not use this on brick.
If you don t have an extendable brush try attaching a car wash brush to the end of an extendable painting pole.
This more delicate spray cleaning process is perfect for exterior materials including vinyl siding painted wood brick stone and stucco.
It contains 1 gallon of liquid with a sprayer head.
Anyone that has pre painted metal roofing or siding will eventually need to clean it.
If mold or mildew is the culprit spraying with a bleach solution will remove it.