Black Streaks On Slate Roof

Roof experts say black streaks are caused by an algae known as gloeocapsa magma.

Black streaks on slate roof. Over time this algae accumulates developing a black outer coating which causes stains on roof shingles. While not immediately damaging they can prematurely age shingles. Detecting any problems that result in black streaks early can save you hundreds or thousands in roof repair costs. Should i add a second roll of copper about 1 2 way down roof to totally prevent this problem as black streaks are starting to develop also.

Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. While the streaks do not cause a great deal of damage they can cause the shingle to age prematurely. The slates are 9 years old and had a build up of moss algae compounded by tree sap. Our customer used a basic solution of simple green dish soap water.

If it s more costly it will be worth it to get rid of problem once and for all. He chose an eco product purposefully because of all the run off from the roof onto the landscaping. Black streaking on roofs is a common problem. I think i would try copper this time cause the zinc flashing i see on other roofs seem to work better.

The black roof stains are caused by a form of algae that has been around for. Thank you jim mc. The photo above shows a slate roof during a cleaning. The streaks are caused by a type of algae known as gloeocapsa magma.

It s actually a form of algae that feeds on the limestone filler used in the creation of asphalt shingles. Many home owners are surprised to discover that the once clean asphalt roof shingles have been slowly covered with a form of roof mold or mildew that appears as a light discoloration and spreads down the roof toward the gutters. Here s what they are and what to do about them. Black streaks on shingled roofs are a common though mysterious sight.

The black streaks are also known as black algae or roof mold. Have questions about those ugly black streaks on your roof. There are several reasons they can appear and it s best to get a professional inspection to find the exact cause. In short those black streaks are called gloeocapsa magma.

We utilize specifically blended cleaning solutions designed to clean your roofing material asphalt slate tile etc will extend the lifespan of your roof by killing. Give us a call today at 614 360 9703 to schedule a free no hassle roof inspection. Roof algae can be unsightly but it s easy to get rid of and there are several methods you can do to keep those black streaks on your roof from coming back. The black streaks running down roofs are actually a hardy algae called gloeocapsa magma.

As the blue green algae. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs. What are the black streaks on my roof. Sometimes streaks are caused by mold or mildew growth on shingles but most of the time that s not the issue.