Roof Algea Killer

Garden hose spray attachment.

Roof algea killer. Whenever it rains trace amounts of metals are washed down the roof inhibiting algae growth. Zinc strips left have been used for many years as an algae preventative. It s not just for roofs. 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.

Bayer 2 in 1 moss algae killer cleaner is a potassium soap of fatty acids and inert ingredients in liquid form. 10 gallon garden sprayer. Unlike zinc based moss killers this product is advertised as being non corrosive to metals. Yes copper strips stop moss and algae growth.

A single application will control moss and algae on wood concrete and asphalt for several months to 1 year. 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. 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.

Copper is a natural biocide and it s safe. You cannot control whether the wind deposits spores onto your roof but you can prevent the spores from developing into algae. 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. Bayer 2 in 1 algae and moss killer.

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. 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. When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus. Increase the amount of sun on your roof by trimming back overhanging branches.

This product will not stain concrete or other surfaces. You must make the roof an unhealthy environment for spores. Rooftop moss and algae are very common especially if you live in an area with heavy rainfall and high humidity levels.