Rinse dirt grime and soap off using your garden hose directing the water stream in a downward path.
How to clean aluminum siding with tsp.
If you go from the top down you will create dirty streaks through the dirt below that are hard to remove.
3 quarts warm water.
Two tips for cleaning.
Diluted in water and applied often with a stiff scrub brush it can remove.
Materials needed to clean aluminum siding tsp tri sodium phosphate chemical sprayer i used ryobi s new 1 gallon battery powered chemical sprayer.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.
Directly scrub the aluminum siding with a soft scrubber dipped in the mixture.
If you don t have an extendable brush try attaching a car wash brush to the end of an extendable painting pole.
Combine a few slices of fresh lemon vinegar and warm water in a five gallon bucket.
To clean aluminum siding start by mixing water liquid dish soap and white vinegar in a large bucket.
Rinsing with the solution may also help remove soap scum if you started with the laundry detergent method.
Scrub with the length of the aluminum siding starting at the top and working downward.
2 3rds cup of tsp or tsp substitute.
Then submerge a long extendable scrub brush in the cleaning solution.