Set the nozzle on medium force and begin at the.
Green algae on house siding.
Black stains are usually a sign of mildew algae mold or fungus.
How to remove algae from siding 1.
The algae may appear brown or green in color and remain damp diminishing the appearance of your home and spreading out over time.
Cover any electrical outlets on the exterior of the home with duct tape.
Be sure that all windows and doors are.
Green stains are almost always the result of algae or moss.
Yellow stains mean you probably have damaged insulation or deteriorating sheathing behind the siding.
You re most likely to see green stains on siding that is inadequately ventilated.
How to remove green from siding step 1.
It is actually airborne algae that can cause long term damage to the surface.
While it is not uncommon to see homes with an accumulation of green stuff it is important to take care of it in a timely fashion.
Spray down the siding with plain water from the garden hose.