What Are Those Black Streaks On Your Roof?

What Are Those Black Streaks On Your Roof?

Algae  can be found on the roof of your home, causing dark discolored, streaks and overall unsightliness. 
The Truth About Algae
Commonly mistaken as mold or mildew, the blackish discoloration you see is actually algae. The most common type, blue green algae, produces a dark pigment to protect itself ezgif.com resize 38 4from UV rays. Discoloration happens in stages, first showing up as small spots but rapidly morphes into streaks. Algae can form wherever moisture dwells on a roofs surface and is most commonly found in costal and humid areas. It is easily transferred from one roof to another by the wind or animals and typically appears on many roofs in the same neighborhood.

Algae Removal
This mold should be removed by a professional roof cleaner with the appropriate cleaning solutions and tools. It is not advised for homeowners to clean their roof themselves. Your roof can become slippery and dangerous, without proper safety equipment it is highly likely that a slip and fall could occur, causing serious harm.  The price of professional cleaning is substantially lower than the cost of medical bills. ezgif.com resize 41 3

Algae Prevention
A few ways to help fight algae growth include keeping trees trimmed back, keeping gutters free of debris, and adding zinc or copper strips to the roof.
If you’re experiencing algae discoloration, don’t leave it to get worse. While there is no real evidence to show that algae is harmful to your roofing system, it is still a nuisance that you should act on immediately to ensure your curb appeal doesn’t suffer. Adding a roof cleaning to your yearly general maintenance check list will ensure you stay on top of the issue.