Black Spots On White Siding

Black spots on siding.

Black spots on white siding.

Mold and mildew can stain your siding cause wood to rot and impact allergies or make occupants sick. 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. Aluminum oxidation is a major problem but there are different degrees of oxidation that can need different treatments.

These spots are often caused by spiders especially true when you re near water. Aluminum doesn t rust however it can take on a slightly dull and white appearance. Rinse the siding with a garden hose equipped with a nozzle. Set the nozzle on a medium misting spray and then point the nozzle down when spraying the siding.

Whether it s lighter white or tan or darker black spots you should take immediate action to clean these damaging fungi from your home. Artillery fungus is a wood dwelling fungus commonly found in mulch. Removing spots from vinyl siding. In nature the artillery fungus shoots its spores towards sunlight.

In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house 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. Bet your boat will have spots too if you have one. Mildew or even worse mold may be the culprit.

This will prevent water from seeping behind the siding and causing damage to the wood sheathing behind it. 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. Are those spots alive. Shotgun fungus can shoot black spots on your house here s how to avoid the mess if you re seeing dark specks on your siding the culprit could be hiding in your mulch.