This algae infection is not only esthetically unpleasing untreated it further develops into lichen or moss deposits which imbed themselves into your roof causing damage that reduces it s integrity and life expectancy.
Ugly roof stains.
The streaks look like mold but they re actually algae colonies that form in your shingles and feed on moisture and the limestone filler agents in the shingles.
3 roof cleaning methods for ugly stains if you re confused by conflicting information when researching roof cleaning services here s a break down.
Once the algae has manifested itself it s only a matter of time before lichen a fungus and even moss begin to take hold on the roof.
The ugly roof doctor can eliminate those ugly streaks stains and blotches from your roof and we do it the right way.
The results can be observed in the roof pictures to the right.
Zincshield is installed on the roof and as it rains zincshield releases zinc ions that keep ugly roof stains algae moss lichen mildew and fungus off your roof.
Black streaks on the north and west facing and shaded areas of your asphalt shingled roof can really wreck the appearance of your home.
Should the ugly stains return within 3 years we will treat them free of charge.
The unsightly stains and streaks caused by this algae are only the beginning.
In fact 35 of the roofs that we treat for algae stains in the area also have a lichen infestation.
In other words they eat the roof.
These roof stains and issues can damage the roof thus shortening the life of the roof.