Use a bleach cleaning solution.
How to clean high siding.
Mostly eldredge says you can get away with using soapy water and a soft bristle.
Plus for wood siding to not only perform well but look good too it requires annual or twice yearly cleaning.
If some high spots are a little stubborn or hard to reach consider getting a telescoping wand with a support belt so you can wash quickly and accurately with ease.
70 water 30 white vinegar makes a great all purpose vinyl siding cleaner that removes light mold and mildew stains.
Rinse with water from top to bottom often as you go to avoid uneven drying and spotting.
Though you want to scrub hard to get rid of the grime be gentle with the siding as too much pressure may crack it.
Use ammonia cleaners or a solution of one part bleach in four parts water to clean mold and mildew stains.
If your white siding is beginning to look a little green then this is the route you want to go as it is very powerful against mildew and mold.
Check the packaging to make sure the soap is safe for siding windows and sidewalks.
However never mix ammonia and bleach rinse thoroughly while the siding is still wet.
Unfortunately these spots are pretty high up about 15 20ft up.
Some good vinyl sider cleaner solutions include.
Mix 30 white vinegar with 70 water for an all purpose cleaner that will get rid of light mold and mildew stains on your siding.
What are the best way to clean these spots.
Pour multi use soap that is formulated for pressure washers into the reservoir.
If you ve got green algae growing on your vinyl siding and you d like to remove the green fast and easy for less than 10 this is the video to watch.
Install the soap tip to the end of your pressure washing wand.
There s some spots on my vinyl siding that have gotten dirty.
Would a power washer aimed.
The high pressure used to reach second stories can damage siding at closer ranges.
For a stronger solution mix.
Use a vinegar cleaning solution.
Review possible cleaning solutions below.