Use ammonia cleaners or a solution of one part bleach in four parts water to clean mold and mildew stains.
Cleaning solutions for painted siding.
For a stronger solution mix.
Use a long handled soft brush to scrub the section giving particular attention to the dirtiest spots.
This detergent solution should be made from a tri sodium phosphate for example the laundry detergent name brand spic n span.
Mild liquid dishwashing soap and water.
Once the siding is completely sudsed up use a garden hose to rinse the area.
Use one of the homemade vinyl siding cleaning formulas above and rinse off all solution after scrubbing.
Besides soap and water a solution of three parts white vinegar to seven parts water also works well on vinyl siding and painted homes.
You will be surprised at how dirty this second batch of water is.
Rinse off the section with clean water.
Scotts which is easy to use in a garden sprayer or pressure washer.
It is recommended that cleaning either of these be accomplished with a mild solution of detergent.
To mix up a more potent solution combine 1 3 cup of powdered laundry detergent with 2 3 cup powdered household cleaner than add 1 quart of liquid laundry bleach and one gallon of water.
For tough spots like paint drips tar and pencil and pen marks use a nonabrasive bathtub cleaner or nylon scrub pad.
Do not use this on brick or stone as the vinegar may etch or.
Less volatile than chlorine it removes mildew on and below the surface as well as algae dirt and oxidized paint but won t harm plants or clothing.
Try mixing up fresh tsp water solution again and re scrubbing it.
Clean vinyl siding with vinegar.
When all sections are done spray the entire house side once again.
Let dry by itself at least 24 48 hours before painting.
Clean the stained siding while rinsing your cloth frequently.
Choose a liquid concentrate such as scotts outdoor cleaner plus oxiclean 9 99 per gallon.
However never mix ammonia and bleach rinse thoroughly while the siding is still wet.
70 water 30 white vinegar makes a great all purpose vinyl siding cleaner that removes light mold and mildew stains.
Starting at the top of the section apply the vinegar and water solution with a long handled scrub brush.
Move on to the next section below that one.
Think your siding is already clean.
Another way to clean your vinyl siding without a pressure washer to use a white vinegar and water solution.
Do not allow soap or cleaners to dry on the siding.
Anyone that has pre painted metal roofing or siding will eventually need to clean it.
Grab your soft cloth and saturate it with soapy water.
Clean wood siding your home s exterior really takes a beating.
Mix 70 water and 30 white vinegar to make a good all purpose vinyl siding cleaner.