Lichens will use roots to attach securely to your shingles making them difficult to remove.
How to kill algae on roof shingles.
To remove roof algae and moss you ll probably end up using a solution of household bleach.
Here are some major roofing manufacturer s warranty statements.
Thousands of roof on homes and other buildings suffer from black streaks.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
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.
Often mistaken as mold or mildew the black discoloration and streaks visible on many roofs across the united states and canada are actually algae.
If left untreated lichen can eventually take off the top layer of your shingle leaving a permanent scar on your roof.
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.
The only way to take care of it is to use a high base chemical solution like zinc sulfate.
Algae resistance provisions of asphalt roof shingle warranties are limited in coverage and scope.
The algae can form w here moisture tends to dwell on roof surfaces.
A copper strip at the top of the roof can prevent future roof algae.
The ugly black red green or brown stains on your roof are likely algae or moss.
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.
How to safely remove algae moss from roof shingles.
Although some similarities exist algae and moss are very different and require slightly different procedures to prevent or to remove.
Also see warranties for roof shingles.
Shingle roofs are prone to moss and algae growth which causes discoloration and damage.
The organisms use your roof shingles as food which slowly deteriorates the materials.
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.
Living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them.
Roof shingle algae stains and roof warranties.
When these two depend on each other they can grow living organisms.
To remove and prevent black algae stains on roofs see black stain removal prevention.
Fortunately there are ways to safely remove these organisms without further damaging your shingles.
The roof algae is doesn t harm the shingles but looks bad.
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.
