Black Algae On Siding

You re most likely to see green stains on siding that is inadequately ventilated.

Black algae on siding.

The black stains on the vinyl siding shown at left may be a fungus or a black agae. The combination of the wind and the rain rinses and scrubs your surfaces clean over time. With the warm and moist conditions throughout a good portion of the year poor air movement during different times of the year and many homes sites built with trees surrounding them it is just about inevitable in williamsburg that wooded sidings will get algae mold and or mildew on them. Watch as lou manfredini ace s home expert shows you an easy and affordable way.

Fortunately algae on vinyl siding will not affect the function of your siding or cause it decompose. Clean siding without any scrubbing. This can also be used for other household cleaning jobs. Whether it s mold or mildew your siding is no place to have things growing.

Spray the siding with water from the garden hose to remove loose dirt and debris. Fill a bucket with a solution of 30 percent white vinegar and 70 percent warm water. With a safe orally non toxic formula it works great on black mold. A microscopy lab examination of a sample from this surface would be needed to know for sure.

By the growth pattern we think this is almost certainly a dark colored algae. I have green algae on the shaded parts of my deck. Green stains on siding are usually the result of mold mildew algae or moss. In addition this works great on a variety of surface like the deck fence siding concrete etc.

These stains occur naturally over time. But testing is probably not justified. Homes in williamsburg are located in the perfect environment for the green and black mold mildew and algae to grow on the siding of a house. It is equally effective on grimes dirt mold mildew or algae.

Furthermore i believe there s black mildew on my siding. My house must be a magnet for algae. When house siding begins to turn green it diminishes the exterior appearance of the home. However if the algae is left to flourish it could permanently stain lighter colored siding with unsightly green brown or black spots.

Green stains clean up in 1 2 weeks black stains and moss clean up in 2 or more months. Black stainsare usually a sign of mildew algae mold or fungus. It s also on my patio and my vinyl siding. Wet and forget is as simple as spraying your outdoor surface and leaving it.

Yellow stainsmean you probably have damaged insulation or deteriorating sheathing behind the siding. Will algae harm your siding. Step 2 dip a long handled soft bristled scrub brush into the cleaning solution. Green algae black mold and moss begin to die off on contact.