
How To Prevent Moss And Algae Build-up
Moss and algae are different species of plants that can be found on rooftops. The two species have varying effects, but both can cause damage to roofs. They use wind as a means of seed dispersal. This makes the roof the perfect seedbed.
Effects of Moss and Algae
Algae
This is the most common occurrence on many roofs and usually is blue-green. It creates recognizable streaks on the roof surface. Algae is normally not harmful to the roof but causes discoloration and dark streaks that ruin the look of your roof.
Moss
Moss is more destructive compared to algae. The buildup of moss can cause roof shingles to lift up and wrap. This breaks the bonds that hold your shingles together, giving way to damage by water, heat and other natural elements. The asphalted under layers are also left unpr...








