Why Are There Black Marks On My Roof

As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see.

Why are there black marks on my roof.

For water stains coming from your roof you ll need to identify the nature of the disrepair. If the water stain occurs after a period of snow for example this can indicate the formation of an ice dam which requires upgrading your insulation not your roofing. The spray and forget was used first with no results then tried the bleach tsp mixture i have done this exact to the instructions given and the stains are still there. Black marks became a problem about 20 years ago when manufacturers began adding limestone granules to add weight to material used to coat shingles.

There were visible dark streaks that made me think i needed to replace my roof to improve the appearance of my house. I have very bad stains on my roof and have tried the bleach tsp mixture as well as spray and forget. That is until there is a problem. Here is a diagnostic guide to types of stains and staining materials found on roof surfaces black red green brown or other coloured stains on asphalt roof shingles or on other roofing materials need first an accurate diagnosis of the stain cause and then proper steps to remove the stain or to prevent future staining on roof shingles surfaces.

Kevhead my black cat blanche has a black spot on the roof of her mouth and she s very very smart. Have questions about those ugly black streaks on your roof. Give us a call today at 614 360 9703 to schedule a free no hassle roof inspection. In about two weeks i noticed a significant improvement in the roof and a week or so later i would say 75 of the streaks were gone.

Those that tend to be the most humid furthermore they will only appear on the north side of the roof. There can be other sources of water seepage from your roof other than a leak. I sprayed on a second application and the roof looks better every week. 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.

Both have black spots in the roof of their mouth. Housetops are often left unnoticed. My roof is steep and difficult to walk on. Thanks for the site.

Believe it or not those black streaks only appear on roofs in certain areas of the country. They are four months old and really smart. Everyone who meets her loves he immediately. Technically the black streaks on roofs are a form of algae known as gloeocapsa magma.

The black streaks are also known as black algae or roof mold. The black streaks running down roofs are actually a hardy algae called gloeocapsa magma. The algae feed on the limestone in shingles.