Roof Algea Killer

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.

Roof algea killer.

10 gallon garden sprayer. Once the roof is clean you can hinder moss and algae growth by introducing copper onto the roof surface. Yes copper strips stop moss and algae growth. Bayer 2 in 1 moss algae killer cleaner is a potassium soap of fatty acids and inert ingredients in liquid form.

The industrial grade roof cleaner does a really good job of getting rid of algae and lichen based residue which certainly makes it more capable than some of the other existing options. Garden hose spray attachment. Bayer 2 in 1 algae and moss killer. This product will not stain concrete or other surfaces.

Attached near the peak of the roof. Zinc strips left have been used for many years as an algae preventative. 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. 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.

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. Another noteworthy feature of the gp66 is universality. Increase the amount of sun on your roof by trimming back overhanging branches. Unlike zinc based moss killers this product is advertised as being non corrosive to metals.

Copper is a natural biocide and it s safe. Copper is a naturally occurring element. When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus. A single application will control moss and algae on wood concrete and asphalt for several months to 1 year.

Whenever it rains trace amounts of metals are washed down the roof inhibiting algae growth. You cannot control whether the wind deposits spores onto your roof but you can prevent the spores from developing into algae. Rooftop moss and algae are very common especially if you live in an area with heavy rainfall and high humidity levels.