Black Spots On Aluminum Siding

The east wall of our 2 story house has many pea sized light brown spots on the.

Black spots on aluminum siding.

Vinyl siding stain diagnosis. John shows you images o. It goes all the way up to my second story windows and is even under my soffit and on my gutters. It s hard to see shotgun fungus itself because it s only 2 millimeters wide.

We have these small black spots that look like specks of tar all over our white vinyl siding of our house. We have thousands of tiny black spots pin head size all over the siding of our house. Artillery fungus is a wood dwelling fungus commonly found in mulch. 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.

There are many different things that you can do to clean your aluminum siding and remove the back oxides. Spots on aluminum 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. It s on the porch my windows but it is worse on the siding.

Aluminum siding cannot rust and it s a very durable material however there are numerous things that can cause it to oxidize. 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. Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining.