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