Many people ask, what is the green stuff on the sides of my home? It's actually green algae growing on your vinyl siding. Green algae grows on your vinyl siding during the spring and summer months when the humidity is higher and the weather is warm. The algae thrives more during the warm weather when there is a presence of dirt and dust the algae can use to feed and grow on. Don't worry, the green algae will not harm your vinyl siding, but it will make it look dirty and gross, making your home look old and dingy.
There are other causes of the greenish grow on your vinyl siding which can be attributed to certain types of mold and mildew. Each grow due to excessive moisture on your vinyl siding. You will notice that typically the algae, molds and mildew grow on darker sides on your home in areas where moisture is more abundant like near trees and gutters.
If you have mold growing on your home, it's important you address the issue quickly because mold can be harmful and cause sickness or allergies.
What Should You Do?
1. Call a professional to clean the exterior of your home. They now have preventive measures that can apply to your home to prevent the growth of algae, mold, and mildew.
2. You can power wash your vinyl siding, but they will only return overtime if the moisture sources are not cut off.
3. You can scrub your vinyl siding or purchase cleaners but again, in most cases, the algae, mold and mildew will only return overtime is you don't apply an preventative applications.
