Black Spots On Aluminum Siding

We have these small black spots that look like specks of tar all over our white vinyl siding of our house.

Black spots on aluminum siding.

It s on the porch my windows but it is worse on the siding. Also known as artillery or cannonball fungus sphaerobolus it uses internal water pressure to forcefully fire its spores similar to seeds up to 20 feet away the fungus sets its sights on bright areas so that means it will aim for any pale surface that reflects light such as the siding on your house. The east wall of our 2 story house has many pea sized light brown spots on the. John shows you images o.

Aluminum siding cannot rust and it s a very durable material however there are numerous things that can cause it to oxidize. 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. Artillery fungus is a wood dwelling fungus commonly found in mulch.

We have thousands of tiny black spots pin head size all over the siding of our house. Spots on aluminum siding. 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. Vinyl siding stain diagnosis.

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. There are many different things that you can do to clean your aluminum siding and remove the back oxides. It goes all the way up to my second story windows and is even under my soffit and on my gutters.