Black Spots On Aluminum Siding

Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining.

Black spots on aluminum siding.

Spots on aluminum siding. Aluminum siding cannot rust and it s a very durable material however there are numerous things that can cause it to oxidize. It goes all the way up to my second story windows and is even under my soffit and on my gutters. The black tar like spots that are all over your vinyl siding are more than likely a fungus called sphaerobolus stellatus better known as artillery or shotgun fungus although it s most often found on the east coast it can grow anywhere and especially thrives in areas that have cool damp springs or rainy fall weather conditions.

We have these small black spots that look like specks of tar all over our white vinyl siding of our house. If you notice lots of tiny black or dark brown spots developing on your siding above a landscaped area of your yard as seen below it is most likely artillery otherwise known as shotgun fungus. We have thousands of tiny black spots pin head size all over the siding of our house. Oxidization can make the aluminum siding look ugly and it needs to be removed as quickly as possible.

John shows you images o. Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures. It s hard to see shotgun fungus itself because it s only 2 millimeters wide. Vinyl siding stain diagnosis.

This article discusses common causes of stains or discoloration found on vinyl building siding. There are many different things that you can do to clean your aluminum siding and remove the back oxides. It s on the porch my windows but it is worse on the siding.