Green Algae Roof Shingles

Here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles.

Green algae roof shingles.

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Timberline hd roof shingles green roof shingles gaf roof shingles architectural roof shingles green roof panels gaf roll roofing gaf roofing underlayment gaf reflective roof coatings green roof panel ridge caps trudef duration cool roof shingles berkshire. While some people actually like the look of moss on their. Many homeowners mistake algae for roof mold in most cases however it is really a blue green type of algae and when it dies it leaves dark streaks on your roof.

If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs. Though often attributed to an accumulation of dirt defective shingles mold or mildew. The only way to take care of it is to use a high base chemical solution like zinc sulfate. We ll explain more of that in a bit.

Algae can cause unsightly stains and growths on your new roof. What is roof algae. How to get rid of algae on the roof. Misnamed as mildew or fungus by some writers algae staining on asphalt shingles usually in shaded areas or on the more shaded roof slopes characterized by black staining fairly uniform over shingles but appearing specifically in areas of the roof shaded by nearby trees.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.