Green Algae On Siding

Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior.

Green algae on siding.

Algae feeds especially well on sugar. Green stainsare almost always the result of algae or moss. The photo at above left shows green algae on vinyl siding. As with any type of exterior finish vinyl siding can become dirty over time due to an accumulation of dirt and grime most of which can be removed with a simple spray of the hose but if you notice the appearance of green stains during your inspection you ll need to take a different approach.

Algae may also look black or brown as may some molds. I simply dissolved the powder in warm water poured it into a simple garden hand pump. Step 5 rinse the cleaned sections of siding with a garden hose as you go to prevent the soap from drying on the vinyl. Green stains on siding are usually the result of mold mildew algae or moss.

These stains occur naturally over time. Take care to get as little soap as possible beneath the siding. Last weekend i mixed up some oxygen bleach to clean algae from my lower deck and from the deck railing. Green growth on your siding happens because your siding is not clean.

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. Click to enlarge any image small gray or darker round spots on siding that are about 1 16 in individual diameter particularly if the spots are slightly raised may be artillery fungus a mold spore. If you have a lot of trees on your lot or if you have an abundance of woody plants these plants will leave a slight film of sugar deposits on your siding over time especially during spring when pollen and sap are running. Black stainsare usually a sign of mildew algae mold or fungus.

When house siding begins to turn green it diminishes the exterior appearance of the home. You re most likely to see green stains on siding that is inadequately ventilated.