Removing Black Algae From Roof

I have run into what looks like black roof algae on a fiberglass deck below a kynar painted metal roof the roof is ok in a coastal north carolina environment.

Removing black algae from roof.

Mix up oxygen based cleaner with water in a five gallon bucket following the instructions. Wet forget outdoor cleaner works with the wind and the rain to wash away green and black algae stains over time. It cleans up readily but comes back in 6 to 8 weeks. Roof moss removal and algae tips.

These roof invaders require a moisture rich environment usually. Black streaks on the north and west facing and shaded areas of your asphalt shingled roof can really wreck the appearance of your home. Bill october 16 2011 at 4 27 pm. Moss is thick algae is paper thin.

How to remove algae from the roof. Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Moss is a thick organic growth.

Green algae on swing set before using wet forget. What is roof algae. Black stains on asphalt shingle roof caused by algae growth. It must be diluted before applied and plants must be rinsed down.

Bleach is corrosive and dangerous to plants and pets. Roof moss removal usually requires a broom or heavy stream of water. If you ve already removed the algae from your roof once and you want to make sure you don t get it again or if you re building a new house and you want to make sure that your roof doesn t get those black streaks from algae there are 2 things you can do to prevent the algae from forming. The black spots discoloring your asphalt roof are more than likely the pervasive and prevalent algae known as gloecapsa magma.

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Thanks for the tips on how to remove black algae stains from a roof. To clean an asphalt shingle roof to remove black algae stains. It penetrates black algae s defenses and removes the green algae that can grow on the shaded areas of your roof.

Copper strips prevent the growth of moss and algae. However this comes with risks. Once on the roof the bacteria begin to feed on the limestone filler used to create the protective granules asphalt shingles are known for. 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.

The gloeocapsa magna bacteria makes its way to roof tops as algae spores carried by the wind squirrels birds and even insects.