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.

Patent 5 356 664 issued october 18 1994. 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. Moss build up can lead to roof damage or shingle blow off if left unchecked. Simple cover your plants just as painters do.

Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association. The longer you wait the harder it will be to. Algae and moss growth on roofs at a minimum is an unsightly nuisance. 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.

Gaf royal sovereign golden cedar algae resistant 3 tab roofing shingles 33 33 sq. 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. 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.