Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight.
Water spots on vinyl siding.
Fantastik murphy oil soap windex or lysol tar.
Clean tough stains off with a nonabrasive cleaner or a homemade vinyl siding cleaner of soap and water that won t damage the surface of the vinyl.
Start pressure washing your house from the bottom up in small sections using a side to side motion and steady pace to prevent streaking.
If you notice any areas of your siding that are extremely dirty check to see if there s a likely cause such as a broken or leaking gutter and fix the issue before continuing.
Vinyl siding is susceptible to stains just like any other housing material.
An upward spray can force water behind vinyl siding causing more problems for you as mold and mildew could grow in these wet spots.
Rinse with a hose or buckets of water.
If you spot any cracks or broken parts of your vinyl siding repair them if you re able or make sure to avoid those spots when power washing.
Fantastik murphy oil soap windex or lysol tar.
Algae may also look black or brown as may some molds.
Vinyl siding installs in pieces so gaps and overlaps.
Some good vinyl sider cleaner solutions include.
If you train the hose so it shoots water upward into the bottom or vertical laps of the siding it might.
Hot water strong detergent such as tsp substitute siding cleaner or spic and span scrubber cleaners for stain removal choose one grass grease oil.
For tough spots like paint drips tar and pencil and pen marks use a nonabrasive bathtub cleaner or nylon scrub pad.
The photo at above left shows green algae on vinyl siding.
Hard water stains are ugly but not impossible to remove.
70 water 30 white vinegar makes a great all purpose vinyl siding cleaner that removes light mold and mildew stains.
Bleach solutions usually break down stains on vinyl siding easily.
Cleaning mold from vinyl siding.
Click to enlarge any image small gray or darker round spots on siding that are about 1 16 in individual diameter particularly if the spots are slightly raised may be artillery fungus a mold spore.
Nevertheless dirt grime and spots will inevitably appear on your siding from time to time.
Generally speaking if you have a power washer or hose and a few household cleaning products you can easily make your vinyl siding look as good as new year after year.
For a stronger solution mix together one third cup powdered laundry detergent two thirds cup powdered household.