Moss Algae On Roof

Where there s moss there is also algae as they thrive on the same wet and shady conditions.

Moss algae on roof.

Algae and moss growth on roofs at a minimum is an unsightly nuisance. It can be brown gray blue or green. Moss develops in perennially shady areas and in places that tend to be cool and damp. Roof moss removal usually requires a broom or heavy stream of water.

You can avoid an algae infestation by installing algae resistant shingles such as iko s nordic shingles. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge on both sides of the roof. Moss is a thick organic growth.

Algae is not a plant but an organism spread by spores. Copper strips prevent the growth of moss and algae. What is roof algae. Moss build up can lead to roof damage or shingle blow off if left unchecked.

Keeping branches trimmed back from the roof and removing any debris that begins to accumulate should be part of a regular roof maintenance program. Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach. Moss on a roof begins with a thin dusting of green that you may notice only from low angles. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.

Because moss or lichens growing on a roof surface will hold moisture on the roof longer than other areas these growths can reduce the life of the roof covering. Algae will grow flush against the shingles and fixtures on your roof. How to get rid of algae on the roof. Copper is more toxic to moss and algae but zinc is.