I live in a house with vinyl siding.
Bleach cleaning siding didnt work.
Avoid using any vinyl siding cleaners that contain organic solvents undiluted chlorine bleach liquid grease remover nail polish remover or furniture polish or cleaners.
On hard nonporous surfaces a chlorine bleach solution is an effective sanitizing product that kills mold and neutralizes indoor mold allergens that trigger allergies.
That green stuff is mold mildew or algae and if you leave it long eno.
Using a soft bristle brush work the cleanser into the siding to remove all remnants of mold and grimy residue.
Video of the day.
Although the vinyl siding is very tough bleach is highly corrosive and may damage the siding if not thoroughly rinsed immediately.
Any of these products.
Pure bleach damages the vinyl causing it to wear down over time.
Any leftover bleach and water solution can be easily flushed down the toilet.
Work in small sections approximately three to five square feet in size.
Divide your house s vinyl siding into 5 foot x 5 foot sections to work in small areas and easily identify what is clean and what is still dirty.
Rinse out your brushes and rinse off your gloves and boots with the garden hose and let everything air dry.
Test a small section of the siding with your cleaning solution to make sure it works without damaging the paint or finish.
The north side of the house is always in the shade.
Cleaning vinyl siding with bleach water.
Use three parts warm water to one part bleach.
Fill a clean empty garden sprayer with a chlorine bleach and water mixture.
Whenever using bleach on vinyl siding make sure to always dilute it in water first.
You can also use this technique to clean siding as well as sealed brick and patio stones.
On wood however the chlorine kills algae moss and mildew.
This tough as nails siding responds well to cleaning with clorox bleach provided it is properly diluted with water 5 1 applied and scrubbed in 10 12 foot sections and rinsed extremely well.