Black Spots On White Siding

Rinse the siding with a garden hose equipped with a nozzle.

Black spots on white siding.

A microscopy lab examination of a sample from this surface would be needed to know for sure. In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding. Black spots on siding. This will prevent water from seeping behind the siding and causing damage to the wood sheathing behind it.

Mildew or even worse mold may be the culprit. Removing spots from vinyl 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 first thing that you will need to do is take a look at the problem you are suffering from.

Mold and mildew can stain your siding cause wood to rot and impact allergies or make occupants sick. Use these simple landscaping tips to prevent this from happening. Whether it s lighter white or tan or darker black spots you should take immediate action to clean these damaging fungi from your home. By the growth pattern we think this is almost certainly a dark colored algae.

Aluminum doesn t rust however it can take on a slightly dull and white appearance. 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. The black stains on the vinyl siding shown at left may be a fungus or a black agae. Bet your boat will have spots too if you have one.

Artillery fungus is a wood dwelling fungus commonly found in mulch. These spots are often caused by spiders especially true when you re near water. Are those spots alive. And of course the black spots show up better on white surfaces so they are noticed more easily.

In nature the artillery fungus shoots its spores towards sunlight. Set the nozzle on a medium misting spray and then point the nozzle down when spraying the siding. Aluminum oxidation is a major problem but there are different degrees of oxidation that can need different treatments.