Algae Or Moss On Our Siding
To 1 quart and use it in the same power washer as step 1.
Algae or moss on our siding. Black stainsare usually a sign of mildew algae mold or fungus. Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior. Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures. Yellow stainsmean you probably have damaged insulation or deteriorating sheathing behind the siding.
Shadows moisture variations that collect or don t collect dust on siding even roof leaks or air leaks through building walls can often be diagnosed by a close look at wall stain patterns discussed here. Moss grows in dark or shady moist areas. For wood or aluminum siding combine one third cup powdered laundry detergent two thirds cups trisodium phosphate 1 quart bleach. Maintenance is the first step to preventing the build up of moss algae and mold.
You re most likely to see green stains on siding that is inadequately ventilated. Moss can grow on nearly any surface including house siding. Green stains on siding are usually the result of mold mildew algae or moss. Algae on vinyl siding occurs because organic materials such as dust dirt pollen bird droppings and spider webs accumulate on the siding and algae uses it as a food source.
Moss growth is especially common on the north side of homes as this surface receives the smallest amount of sunlight during the day. Green stainsare almost always the result of algae or moss. 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.
Create a mix of bleach and water 1 tsp. When house siding begins to turn green it diminishes the exterior appearance of the home. These stains occur naturally over time.