How To Kill Algae On Roof Shingles

Although some similarities exist algae and moss are very different and require slightly different procedures to prevent or to remove.

How to kill algae on roof shingles.

A copper strip at the top of the roof can prevent future roof algae. How to remove roof algae and moss. If left untreated lichen can eventually take off the top layer of your shingle leaving a permanent scar on your roof. 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.

Lichens will use roots to attach securely to your shingles making them difficult to remove. Roof shingle algae stains and roof warranties. Often mistaken as mold or mildew the black discoloration and streaks visible on many roofs across the united states and canada are actually algae. The algae can form w here moisture tends to dwell on roof surfaces.

To remove roof algae a solution of oxygen bleach can be applied to the roof shingles and then rinsed off. Thousands of roof on homes and other buildings suffer from black streaks. When these two depend on each other they can grow living organisms. To remove roof algae and moss you ll probably end up using a solution of household bleach.

Shingle roofs are prone to moss and algae growth which causes discoloration and damage. 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. Simple cover your plants just as painters do. The roof algae is doesn t harm the shingles but looks bad.

How to safely remove algae moss from roof shingles. 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. Roof lichen is a combination of both algae and fungus. To remove and prevent black algae stains on roofs see black stain removal prevention.

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. To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather. Here are some major roofing manufacturer s warranty statements. Algae resistance provisions of asphalt roof shingle warranties are limited in coverage and scope.

The only way to take care of it is to use a high base chemical solution like zinc sulfate. Also see warranties for roof shingles. 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.