Brown Spots On House Siding

I thought it was bird droppings at first so i power washed it off.

Brown spots on house siding.

I have often seen red or brown stains from water leaking down behind building siding on older homes. We have thousands of tiny black spots pin head size all over the siding of our house. I am getting small dark spots on windows and the white siding of my house. What it looks like.

When water runs through the wood and wall sheathing it picks up tannins in the wood and leaves dark stains on the 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. The spots are about the size of the head of a pin and appear to be black or dark brown in color. 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.

I have tried to remove these spots with mineral spirits without. By sandy feather penn state extension. Now there is a section on the second floor we ve seen it a couple of other places but it s most concentrated in one area that has reddish brown liquid lines running down from under the siding. These crickets are light brown tan and dark brown with a humped back.

Some tell us it s from spiders. Since then there haven t been any issues with the siding however a week ago i noticed a bunch of brown streaks stains on the east side of the house. Others have said it s a fungus from mulch. 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.

Seeing black tar spots on the sides of your house or vehicles. If the home experiences ice dams and the stains start at the soffits and run down the siding they re probably the result of water leaking through the roof as a result of the ice dams. Most often the root cause is wind blown rain condensation or frost accumulation behind siding that was not installed over a modern housewrap water barraier. Artillery fungus is a wood dwelling fungus commonly found in mulch.

They have very long antennae and their bodies grow between 1 2 to 1 1 2 inches long.