Algae On Roof Shingles Removal

Thousands of roof on homes and other buildings suffer from black streaks.

Algae on roof shingles removal.

A blue green algae known as gloeocapsa magma could be the reason you have the algae which is spread by airborne spores sometimes it can also be caused by an accumulation of mildew mold dirt or defective shingles. The most effective method of cleaning algae and moss from a roof is w ith a 50 50 mix of laundry strength liquid chlorine bleach and w ater. Simple cover your plants just as painters do. Roof shingle algae stains and roof warranties.

Here are some major roofing manufacturer s warranty statements. Also see warranties for roof shingles. Algae resistance provisions of asphalt roof shingle warranties are limited in coverage and scope. How to remove algae from roof shingles pacific west roofing here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles.

When these two depend on each other they can grow living organisms. That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles. Moss build up can lead to roof damage or shingle blow off if left unchecked. Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.

The organisms use your roof shingles as food which slowly deteriorates the materials. Living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them. To remove roof algae a solution of oxygen bleach can be applied to the roof shingles and then rinsed off. A copper strip at the top of the roof can prevent future roof algae.

How to safely remove algae moss from roof shingles. To remove and prevent black algae stains on roofs see black stain removal prevention. Lichens will use roots to attach securely to your shingles making them difficult to remove. Roof lichen is a combination of both algae and fungus.

The ugly black red green or brown stains on your roof are likely algae or moss. The only way to take care of it is to use a high base chemical solution like zinc sulfate. If left untreated lichen can eventually take off the top layer of your shingle leaving a permanent scar on your roof. The roof algae is doesn t harm the shingles but looks bad.