Algae Growth On Roof 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.
Algae growth on roof shingles. Contact a roofing professional the day you notice signs of potential algae growth on your roof. Keeping branches trimmed back from the roof and removing any debris that begins to accumulate should be part of a regular roof maintenance program. Patent 5 356 664 issued october 18 1994. A contractor can then recommend ways to prevent future algae growth such as special roof coatings or gutter replacement.
If the algae have damaged your roofing system a contractor can schedule repairs. 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. Simple cover your plants just as painters do. Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
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. Moss build up can lead to roof damage or shingle blow off if left unchecked. Algae and moss growth on roofs at a minimum is an unsightly nuisance. The longer you wait the harder it will be to.