A microscopy lab examination of a sample from this surface would be needed to know for sure.
Black stuff on vinyl siding.
But i had no idea how to hang things on vinyl siding without damaging it.
Black vinyl siding trim.
Clean tough stains off with a nonabrasive cleaner or a homemade vinyl siding cleaner of soap and water that won t damage the surface of the vinyl.
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And of course the black spots show up better on white surfaces so they are noticed more easily.
This is mold and mildew on siding.
Our screened in porch has a wall of vinyl siding and i wanted to make it look nicer by adding some pretty decor.
Are those spots alive.
In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding.
By the growth pattern we think this is almost certainly a dark colored algae.
The siding is relatively low maintenance as you don t need to paint it every year like wood siding or repair mortar like brick construction.
Use these simple landscaping tips to prevent this from happening.
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Instead clean stains such as black scuff marks as soon as you notice them to prevent them from baking or settling into the 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.
In nature the artillery fungus shoots its spores towards sunlight.
Novik noviktrim vinyl siding panel round cut onyx 1 75 in x 73 in.
The black stains on the vinyl siding shown at left may be a fungus or a black agae.
For tough spots like paint drips tar and pencil and pen marks use a nonabrasive bathtub cleaner or nylon scrub pad.
It happens on siding of all types including vinyl wood and fiber cement.
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.