Green Algae On House Siding

To remove green stains from your siding first try a solution of warm water and soap.

Green algae on house siding.

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. Vinyl siding can provide the exterior of your home a fresh clean appearance and requires much less maintenance than paint. Stubborn mold may require a mixture of water and chlorine bleach. Green growth on your siding happens because your siding is not clean.

When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a. This can often get rid of small amounts of algae on your siding. Wash your home at least once a year with a liquid soap and garden hose to remove tree sap and other contaminants. Scrub siding with a stiff brush moving from side to side over green stains.

These stains occur naturally over time. Vinyl siding is durable but it is still susceptible to dirt and stains. Algae feeds especially well on sugar. Begin at the top of your house and work down.

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. Prune tree limbs and bushes so that they don t press up against your home. 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. Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior.

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. However vinyl siding that is left damp can result in the growth of unsightly algae. Green stains on siding are usually the result of mold mildew algae or moss.