The best way to address these issues is to repaint the siding.
Best way to pressure wash aluminium siding.
Spraying at a downward angle prevents water from getting under the aluminum siding and causing problems underneath.
I recommend using a spray nozzle with an angled setting and working from the top down.
First rinse the aluminum siding off.
Use a medium pressure level and an angled spray nozzle.
Following are some of the tips that can be useful when cleaning yours.
Then submerge a long extendable scrub brush in the cleaning solution.
Avoid direct sunlight and let the detergent sit for 5 10 minutes.
Use a garden hose or pressure washer in a low pressure setting to dislodge grime and rinse the soapy water away as you work your way down the siding.
Now change the pressure washer nozzle to the 25 or 40 degree spray tip and wash away all the detergent while keeping the wand at least 1 foot away from your house siding.
Starting low and gently working your way up is the safest bet.
Be prepared with the required cleaning.
Grab the scrub brush dip it in your soapy water and begin scrubbing from the top down.
Move around your entire house continuing to clean a three to a five foot section at a time.
Rinse dirt grime and soap off using your garden hose directing the water stream in a downward path.
Give your aluminum siding a good rinse with the hose first.
How to clean aluminum siding.
You will want to focus on one side of the house at a.
Scrub with the length of the aluminum siding starting at the top and working downward.
To prevent excessive dirt dust and mold from accumulating it is recommended to maintain a regular cleaning schedule.
By mimicking rain flow you know you re not damaging your house while you clean it.
8 tips for cleaning aluminum siding.
Apply the soap from the bottom up and rinse it away from the top down.
Next put on the proper safety attire including gloves glasses and a mask.
To prevent the surface from drying out and having to scrub the area again work in three or four foot sections from top to bottom and then rinse.
To clean aluminum siding start by mixing water liquid dish soap and white vinegar in a large bucket.
The siding must be clean to allow the new paint to adhere properly so start by pressure washing the siding.
If you don t have an extendable brush try attaching a car wash brush to the end of an extendable painting pole.