Why Does Algae Grow On Vinyl Siding

Siding sealants can help prevent algae growth.

Why does algae grow on vinyl siding.

Vinyl siding is a durable versatile and resilient building material but it does require some routine care and cleaning. Algae growing on siding from condensation is due to moisture draining behind the siding. The mildew and algae are feeding on sugars dust dirt or other things that are attached to the siding. Algae may grow due to dirt and dust attached to your siding.

Luckily vinyl siding is very easy to clean. All you need to do is create a solution of 3 parts water to 1 part bleach apply to affected areas and let sit for 30 minutes before rinsing away with a garden hose. Consider filling a bucket with warm water and dish detergent and soaking the bristles of your brush for a more effective clean. The growing popularity of vinyl siding is indisputable.

Prune tree limbs and bushes so that they don t press up against your home. Use a scrub brush to remove surface dirt and mold. Algae may appear green or brown and will stay damp on your siding. Clean the house siding to remove any moss that may already be growing on the surface.

If discoloration or algae growth persists you will need to contact a siding contractor to discuss other options or more intensive cleaning methods. Mold and algae are not the same. Algae feed on these materials. Siding has small weep holes to allow moisture trapped behind it to escape.

This article discusses common causes of stains or discoloration found on vinyl building siding. Vinyl siding stain diagnosis. You re probably wondering how mildew and algae can survive on plastic or vinyl siding. By following these simple maintenance tips you can be sure that your vinyl siding will look great for years to come.

The long term solution to algae and mildew growth on your vinyl siding includes identifying and repairing the root cause. Wet the side of the house with a garden hose. Wash your home at least once a year with a liquid soap and garden hose to remove tree sap and other contaminants. Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining.

Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures. With proper cleaning you should be able to defeat the green growth once and for all. Algae growth is mainly a cosmetic issue and can resolve with a bit of scrubbing using a mild soap.