Black Streaks On House Siding

Black brown or gray stains on roofing products due to debris left on the roof surface such as piles of leaves and.

Black streaks on house siding.

The most common type is known as gloeocapsa magma also known as blue green algae. What causes black streaks on roof. The growth on your roof thrives in a warm moist and dirty environment and in some cases it feeds on the materials on your home find out more about roofing materials. It is occuring on first floor only same area in front as in back.

I agree with you guys in that these streaks are coming from the weep holes in 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 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. These are the cause. You re outside taking care of some yard work and you suddenly notice streaking on your roof and siding.

Green stuff on siding. We have a problem with our siding on front and back of our 2 story home. It worked great and did a nice job of getting the dirt off the siding. 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.

After borrowing a power washer we tested it on the backside of the house with no problems. The simple answer is heat moisture and nutrition. You ve never really taken a good look before but yes it s there. It basically looks like dirty water drying on the siding.

I e not entire house. There are streaks all over that are darker than the the rest. The green stuff on siding is abundant in the south. When we did the same to the front of the house we noticed later in the day that it looks as if someone did graffiti all over.

This algae growth usually begins as small spots and then eventually becomes visible streaks. When i am finished with a job and walking around the house looking at how clean it is with the customer i tell them as i point to the drain holes weep holes on the vinyl your siding has these drain holes in it to allow the siding to breathe from behind. Black or other colored stains on roof surfaces may be caused by soot from chimneys both wood fired and oil fired.