Black streaks on your roof: what you need to know
“Exotic” and “roof” might not go hand-in-hand traditionally, but tiger stripes are real.
We use this term to describe a roof that has long, dark, and vertical streaks running across its shingles.
Sadly – but unsurprisingly – this isn’t a good thing.
What is it?
Tiger stripes are caused by gloeocapsa magma, a type of bacteria that is similar to algae.
Why does it like your roof?
Gloeocapsa magma eats at the limestone particulate in your roof. Your shingles are its very favorite meal.
Why the stripes?
As gloeocapsa magma eats at your shingles, it forges a pathway along your roof. That’s where the conspicuous stripes come in.
What to do?
Stay on a regular roof cleaning schedule! Our team can help you keep those black stripes far away – and protect your shingles, too.
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