If mold or mildew is the culprit spraying with a bleach solution will remove it.
Cleaning stained aluminum siding.
Vinegar and borax are other good eco friendly alternatives for cleaning mold and mildew.
How to clean stucco.
There may be stains that are caused by mold and mildew.
It helps the metal not to corrode or tarnish over time.
Stucco s porosity causes it to stain quickly and the textured surface allows dirt grime and debris to settle easily into the crevices.
Use the sponge to wash and neutralize the area with a mild detergent and water.
To clean aluminum siding start by mixing water liquid dish soap and white vinegar in a large bucket.
Then submerge a long extendable scrub brush in the cleaning solution.
Clean tough stains off with a nonabrasive cleaner or a homemade vinyl siding cleaner of soap and water that won t damage the surface of the vinyl.
Rinse the area clean with water.
I recommend using a spray nozzle with an angled setting and working from the top down.
To distinguish between mildew and dirt apply a small amount of bleach on the area in question.
Remove the paint as it softens and releases from the surface.
If you don t have an extendable brush try attaching a car wash brush to the end of an extendable painting pole.
This can be done with soft cloths or plastic scrapers plastic ones are less likely to damage the surface.
How to clean aluminum siding with a power washer the correct way.
Add in a few stalks of rhubarb tomatoes or lemons and boil the mixture.
Spray this mixture on remaining spots.
You can also look for special cleaning solutions that are meant for cleaning aluminum siding at your local hardware store.
For tough spots like paint drips tar and pencil and pen marks use a nonabrasive bathtub cleaner or nylon scrub pad.
Use household products to remove water stains on aluminum.
Hard water stains will also look chalky.
Water stains on aluminum could appear lighter or darker than the aluminum surface.
For any of these cleaning solutions fill a bucket with water from your garden hose.
If you adore do it yourself house washing solutions and cleaning products try to clean aluminum siding with vinegar.
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.
To clean aluminum siding having mildew use a solution of one part bleach and four parts water.
Water stains develop when you leave a glass of water on your aluminum surface or if hard water dries on the surface of the aluminum.
Clean aluminum siding with vinegar.