Believe it or not those black streaks only appear on roofs in certain areas of the country.
Why are there black marks on my roof.
Everyone who meets her loves he immediately.
Kevhead my black cat blanche has a black spot on the roof of her mouth and she s very very smart.
The black streaks running down roofs are actually a hardy algae called gloeocapsa magma.
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.
Have questions about those ugly black streaks on your roof.
They are four months old and really smart.
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.
Both have black spots in the roof of their mouth.
One issue that can lead to roof damage is black streaking caused by algae.
There can be other sources of water seepage from your roof other than a leak.
Housetops are often left unnoticed.
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.
My roof is steep and difficult to walk on.
Give us a call today at 614 360 9703 to schedule a free no hassle roof inspection.
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.
I have very bad stains on my roof and have tried the bleach tsp mixture as well as spray and forget.
As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see.
I sprayed on a second application and the roof looks better every week.
That is until there is a problem.
The algae feed on the limestone in shingles.
Because of their location they re often an afterthought however roofs can quickly become unsightly or damaged if they are not checked regularly for problems.
Black marks became a problem about 20 years ago when manufacturers began adding limestone granules to add weight to material used to coat shingles.
Roof experts tell our researchers that though other components are being added to shingles to hinder algae growth they still get calls to deal with black marks on relatively new roofs.
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.
Technically the black streaks on roofs are a form of algae known as gloeocapsa magma.
There were visible dark streaks that made me think i needed to replace my roof to improve the appearance of my house.
Those that tend to be the most humid furthermore they will only appear on the north side of the roof.