Roof Algea Killer

10 gallon garden sprayer.

Roof algea killer.

A single application will control moss and algae on wood concrete and asphalt for several months to 1 year. Roofs generally have a lot of metal in the form of vents gutters drains nails and cables so this can be a plus for most types of roof. You cannot control whether the wind deposits spores onto your roof but you can prevent the spores from developing into algae. 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.

Garden hose spray attachment. When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus. 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. Bioadvanced 2 in 1 moss and algae killer and cleaner is a fast acting moss algae and lichen killer for use on lawns roofs patios fences bark mulch and driveways.

Unlike zinc based moss killers this product is advertised as being non corrosive to metals. Bayer 2 in 1 algae and moss killer. Bayer 2 in 1 moss algae killer cleaner is a potassium soap of fatty acids and inert ingredients in liquid form. Increase the amount of sun on your roof by trimming back overhanging branches.

Copper is a natural biocide and it s safe. Whenever it rains trace amounts of metals are washed down the roof inhibiting algae growth. You must make the roof an unhealthy environment for spores. Copper is a naturally occurring element.

Another noteworthy feature of the gp66 is universality. Yes copper strips stop moss and algae growth. Attached near the peak of the roof. Once the roof is clean you can hinder moss and algae growth by introducing copper onto the roof surface.

Rooftop moss and algae are very common especially if you live in an area with heavy rainfall and high humidity levels. Algae stains don t show up below the metal flashing around chimneys or roof vents because the copper and the zinc coating on galvanized sheet metal are toxic to algae. Zinc strips left have been used for many years as an algae preventative.