Black Substance On House Siding

Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures.

Black substance on house siding. The side of the house with the least sun exposure can be the worst spot. It goes all the way up to my second story windows and is even under my soffit and on my gutters. It s on the porch my windows but it is worse on the siding. This article discusses common causes of stains or discoloration found on vinyl building siding.

Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. A white or light colored house will reflect more rays keeping indoor temperatures cooler in hot summer months. White and other light colors will reflect rather than absorb the sun s rays.

Cedar siding looks beautiful when it s fresh and new but as the years go on it may become grungy dark and neglected. Oxidation can be cleaned from most vinyl siding but the process. Black houses will absorb more heat from the sun than white houses.