Algae Growth On Roof Shingles

The most effective method of cleaning algae and moss from a roof is w ith a 50 50 mix of laundry strength liquid chlorine bleach and w ater.

Algae growth on roof shingles.

Algae and moss growth on roofs at a minimum is an unsightly nuisance. A method of inhibiting algae growth on an asphalt shingle surface exposed to varying humidity using a blend of copper containing algae resistant granules and non algae resistant granules. That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles. To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather.

If the algae have damaged your roofing system a contractor can schedule repairs. Simple cover your plants just as painters do. Moss build up can lead to roof damage or shingle blow off if left unchecked. The longer you wait the harder it will be to.

A contractor can then recommend ways to prevent future algae growth such as special roof coatings or gutter replacement. Contact a roofing professional the day you notice signs of potential algae growth on your roof. Method of inhibiting algae growth on asphalt shingles u s. Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.