Scrub the siding with a long handled stiff scrub brush dipped into either the tsp or bleach solution.
Remove green from siding.
Stubborn mold may require a mixture of water and chlorine bleach.
Pour the cleaning solution into a power washer.
When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
Begin at the top of your house and work down.
Rv brushes work well for cleaning siding.
For a stronger solution mix together one third cup powdered laundry.
70 water 30 white vinegar makes a great all purpose vinyl siding cleaner that removes light mold and mildew stains.
How to remove algae from siding 1.
Standard household cleaners won t necessarily remove mildew from siding but a solution of bleach or vinegar should do the job.
The algae may appear brown or green in color and remain damp diminishing the appearance of your home and spreading out over time.
Unlike mold this type of growth is mainly cosmetic and can be removed using minimal force and a few basic materials.
Begin by spraying a 5 foot wide section of the siding from the ground to the top.
If you use bleach protect the plants nearby from runoff by covering.
Your standard household whitener.
It appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth.
Remember not to angle the sprayer upward to keep the solution from seeping under the siding layers.
This can often get rid of small amounts of algae on your siding.
Scrub siding with a stiff brush moving from side to side over green stains.
Scrub from side to side applying extra force over the green stains.