Black Spots Vinyl Siding

Small black spots on siding.

Black spots vinyl siding.

You have the infamous artillery fungus. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. If you re seeing dark specks on your siding the culprit could be hiding in your mulch. The artillery fungus is a white rotting wood decay fungus that likes to live on moist landscape mulch.

Thankfully regular maintenance of your vinyl siding is fairly straightforward and simple. By the growth pattern we think this is almost certainly a dark colored algae. What are these black spots on your house siding. Because this organic material sticks to house siding and windows we are confronted with finding a means of removal because that what we do.

It goes all the way up to my second story windows and is even under my soffit and on my gutters. The siding has been on the houses for 12 years and now everyone is talking about the black spots so it s really a town issue lol but one we need to figure out. 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. Use these simple landscaping tips to prevent this from happening.

How to clean spots on vinyl siding general cleaning tips. 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. Artilliery fungus spore masses on vinyl siding. A pro services inc has competed with artillery fungus for several years.

A microscopy lab examination of a sample from this surface would be needed to know for sure. But testing is probably not justified. It seems to be an epidemic in some communities. Thankfully i only have one area that has plants next to it so the bleach solution wouldn t hurt them but not sure about my deck stains.

Davis of penn state. Over time and through repeated changes in weather vinyl siding will attract and develop mold or.