Scrub with a sponge soak abrasive sponge in cleaning solution and scrub siding clean.
Cleaning solution for painted aluminum siding.
Wear gloves then mix in a bucket a cleaning solution of one cup chlorine bleach one cup tsp and one gallon of water.
It works fast and doesn t harm the surroundings in the process.
This detergent solution should be made from a tri sodium phosphate for example the laundry detergent name brand spic n span.
Scrubbing with a sponge using a pressure washer or a random orbit sander.
Consider soft washing a lot of the challenges that come with power washing aluminum siding can be avoided by simply opting for soft washing.
It contains 1 gallon of liquid with a sprayer head.
To clean aluminum siding having mildew use a solution of one part bleach and four parts water.
Vinegar and borax are other good eco friendly alternatives for cleaning mold and mildew.
Mix 2 ounces of tsp into a gallon of warm water in a chemical sprayer.
Use appropriate materials to clean mildew and chalking.
Choose a liquid concentrate such as scotts outdoor cleaner plus oxiclean 9 99 per gallon.
If you don t have an extendable brush try attaching a car wash brush to the end of an extendable painting pole.
To clean stubborn mildew you will need bleach.
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.
To clean aluminum siding start by mixing water liquid dish soap and white vinegar in a large bucket.
Alumklean is an aluminum siding and gutter cleaner by wash safe industries.
If mold or mildew is the culprit spraying with a bleach solution will remove it.
It removes the aluminum stains through aluminum oxidation or tiger striping.
Do not use this on brick.
It s not uncommon to have a mildew problem on aluminum siding depending on where you live.
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.
Anyone that has pre painted metal roofing or siding will eventually need to clean it.
It doesn t have any odor and doesn t suds up like other cleaners.
There are three ways to clean the siding.
Scotts which is easy to use in a garden sprayer or pressure washer.
Then submerge a long extendable scrub brush in the cleaning solution.
Rinse afterward from the top down.
Besides soap and water a solution of three parts white vinegar to seven parts water also works well on vinyl siding and painted homes.
This more delicate spray cleaning process is perfect for exterior materials including vinyl siding painted wood brick stone and stucco.