Blue-green algae can be a major eyesore. Microscopic yet noticeable, their dark, ultraviolet-resistant coating leaves black or brown streaks. They may not pose any structural threat to a roof, but they make stunning shingles look ugly. Like mold, blue-green algae are ubiquitous and thrive in moisture.
The roof above your head provides more protection than any other components in your home. It is only fitting to keep your roof in prime condition so you can depend on it when you need it the most. For your system to stay healthy all year round, regular and proper roof maintenance is necessary.