Begin working at the top of the house and work your way down.
Remove green from siding.
Begin by spraying a 5 foot wide section of the siding from the ground to the top.
Rv brushes work well for cleaning siding.
If you use bleach protect the plants nearby from runoff by covering.
This can often get rid of small amounts of algae on your siding.
For a stronger solution mix together one third cup powdered laundry.
Remember not to angle the sprayer upward to keep the solution from seeping under the siding layers.
The algae may appear brown or green in color and remain damp diminishing the appearance of your home and spreading out over time.
How to remove algae from siding 1.
Unlike mold this type of growth is mainly cosmetic and can be removed using minimal force and a few basic materials.
If you are worried about damaging the vinyl you may use a lower pressure pump sprayer.
To remove green stains from your siding first try a solution of warm water and soap.
Stubborn mold may require a mixture of water and chlorine bleach.
Begin at the top of your house and work down.
When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
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.
Scrub siding with a stiff brush moving from side to side over green stains.
Your standard household whitener.
Standard household cleaners won t necessarily remove mildew from siding but a solution of bleach or vinegar should do the job.
Pour the cleaning solution into a power washer.