Black Spots On Vinyl Siding

It goes all the way up to my second story windows and is even under my soffit and on my gutters.

Black spots on vinyl siding.

It s hard to see shotgun fungus itself because it s only 2 millimeters wide. Insect stains and other debris can be removed by simply cleaning vinyl siding with household cleaners. Dirt and insect secretion stains however can adhere to vinyl siding attracting molds mildews and algae. Click to enlarge any image small gray or darker round spots on siding that are about 1 16 in individual diameter particularly if the spots are slightly raised may be artillery fungus a mold spore.

Some tell us it s from spiders. Store bought cleaners such as windex will usually do the job for these kinds of spots but if you want to make your own chemical free solution you can use a natural mixture of. I have been experimenting with various solutions on my vinyl siding to remove the spots. 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.

Removing spots from vinyl siding. We have thousands of tiny black spots pin head size all over the siding of our house. The photo at above left shows green algae on vinyl 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.

Algae may also look black or brown as may some molds. It s on the porch my windows but it is worse on the siding. I ve found the following over the counter product works with elbow grease to remove the spots. The vinyl siding institute yes there really is such an organization offers some helpful and specific tips for dealing with stubborn moldy spots on your siding.

Others have said it s a fungus from mulch. A side of my house in new york is covered in the dots. A first use a scraper or wire brush and scrape over a section of affected vinyl siding. Vinyl siding is very popular due to its durability and simple maintenance.