Green Algae Roof Shingles

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Green algae roof shingles.

Step 3 check for cleanliness and rinse. What is roof algae. Black or brown or green algae stains on asphalt roof shingles 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. See gaf shingle accessory limited warranty for complete coverage and restrictions.

Here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles. Timberline hdz hunter green algae resistant laminated high definition shingles 33 33 sq. Even though roof streaking is caused by what s called blue green algae the streaks are black due to the dark pigmented sheath that algae uses to protect itself from the sun s rays. Never use a.

We ll explain more of that in a bit. The organisms use your roof shingles as food which slowly deteriorates the materials. Allow the solution to soak into the shingles for at least 15 minutes. Step 4 take precautions.

Put on rubber gloves and a breathing mask before proceeding you so you can. Warranty for complete coverage and restrictions the word lifetime refers to the length of coverage provided by the gaf shingle and accessory ltd warranty and means as long as the original individual owner s of a single family detached. Cleaning step 2 make and apply the bleach solution. 2stainguard algae protection is available only on shingles sold in packages bearing the stainguard logo.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. 1 selling shingles in north america. Products with stainguard algae protection are covered by a 10 year limited warranty against blue green algae discoloration. How to get rid of algae on the roof.

Wind carries algae spores from roof to roof hot humid conditions promote algae growth. Lifetime limited warranty see gaf shingle and accessory ltd. Algae spores can quickly spread in the right conditions. The only way to take care of it is to use a high base chemical solution like zinc sulfate.

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Black streaks green or white spots round lichens mosses green moss that spreads across your roof. Getting rid of the problem is important but how do you safely remove algae and moss from roof shingles.