Black Spots On Vinyl Siding

The fruiting body of this fungus orients itself toward bright surfaces such as light colored houses or parked automobiles.

Black spots on vinyl siding.

These spots are often caused by spiders especially true when you re near water. It may look unsightly but it s not harmful. They may be a problem. Bleach works but if the house is in a generally damp area and the siding is facing north the mold fungus will just come back.

How to clean spots on vinyl siding general cleaning tips. But testing is probably not justified. If you re seeing dark specks on your siding the culprit could be hiding in your mulch. A microscopy lab examination of a sample from this surface would be needed to know for sure.

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. John shows you images o. Use these simple landscaping tips to prevent this from happening. And of course the black spots show up better on white surfaces so they are noticed more easily.

The artillery fungus shoots its black sticky spore mass which can be windblown as high as the second story of a house. Are those spots alive. Bet your boat will have spots too if you have one. Thankfully regular maintenance of your vinyl siding is fairly straightforward and simple.

The black stains on the vinyl siding shown at left may be a fungus or a black agae. Black spots on siding. By the growth pattern we think this is almost certainly a dark colored algae. Over time and through repeated changes in weather vinyl siding will attract and develop mold or.

In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding. 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.