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