Set the nozzle on medium force and begin at the.
Green algae on house siding.
Be sure that all windows and doors are.
Cover any electrical outlets on the exterior of the home with duct tape.
It is actually airborne algae that can cause long term damage to the surface.
Spray down the siding with plain water from the garden hose.
You re most likely to see green stains on siding that is inadequately ventilated.
The green stuff on your siding is more than an eyesore.
Green stains are almost always the result of algae or moss.
Black stains are usually a sign of mildew algae mold or fungus.
The algae may appear brown or green in color and remain damp diminishing the appearance of your home and spreading out over time.
Mix a solution of.
How to remove green from siding step 1.
Yellow stains mean you probably have damaged insulation or deteriorating sheathing behind the siding.