Algae Growth On Roof Shingles

Algae and moss growth on roofs at a minimum is an unsightly nuisance.

Algae growth on roof shingles.

The longer you wait the harder it will be to. Contact a roofing professional the day you notice signs of potential algae growth on your roof. Moss build up can lead to roof damage or shingle blow off if left unchecked. 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. Keeping branches trimmed back from the roof and removing any debris that begins to accumulate should be part of a regular roof maintenance program. Method of inhibiting algae growth on asphalt shingles u s. If the algae have damaged your roofing system a contractor can schedule repairs.

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. Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association. A contractor can then recommend ways to prevent future algae growth such as special roof coatings or gutter replacement. Patent 5 356 664 issued october 18 1994.