Black Spots On Vinyl Siding

We have thousands of tiny black spots pin head size all over the siding of our house.

Black spots on vinyl siding.

I have been experimenting with various solutions on my vinyl siding to remove the spots. Some tell us it s from spiders. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. It goes all the way up to my second story windows and is even under my soffit and on my gutters.

Here is a photo of what the actual fungus that produces the black spores. Removing spots from vinyl siding. 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. It s hard to see shotgun fungus itself because it s only 2 millimeters wide.

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. 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. Vinyl siding stain diagnosis. This article discusses common causes of stains or discoloration found on vinyl building siding.

It s on the porch my windows but it is worse on the siding. 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. Others have said it s a fungus from mulch. The artillery fungus or shotgun fungus is a wood decay fungus that likes to live on moist landscape mulch.

Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures. 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. A first use a scraper or wire brush and scrape over a section of affected vinyl siding. The worst thing about this fungus is that it shoots spores up to 20 feet which often land on siding cars.

Here is what the spores look like on the vinyl siding. A side of my house in new york is covered in the dots.