Green Algae On House Siding

Stubborn mold may require a mixture of water and chlorine bleach.

Green algae on house siding.

Whether your vinyl siding is plagued by mildew moss algae or it s just plain dirty cleaning it is a must in maintaining the appearance of your house. Green stains on siding are usually the result of mold mildew algae or moss. When house siding begins to turn green it diminishes the exterior appearance of the home. Algae feeds especially well on sugar.

Your standard household whitener it appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth. Algae growth is most common in areas that are shaded and due to the lack of sunlight remain damp for longer periods of time after it rains. Begin at the top of your house and work down. Green growth on your siding happens because your siding is not clean.

Wash your home at least once a year with a liquid soap and garden hose to remove tree sap and other contaminants. Prune tree limbs and bushes so that they don t press up against your home. Scrub siding with a stiff brush moving from side to side over green stains. Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior.

These stains occur naturally over time. This can often get rid of small amounts of algae on your siding. However vinyl siding that is left damp can result in the growth of unsightly algae. To remove green stains from your siding first try a solution of warm water and soap.

When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a. Once you know how to remove green algae from vinyl siding and help to prevent it from returning you can move on to other interior and exterior spring cleaning projects including pressure washing exterior surfaces such as your driveway deck or sidewalks using these tips from the experts at window genie. Vinyl siding can provide the exterior of your home a fresh clean appearance and requires much less maintenance than paint.