When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus.
Roof algea killer.
A single application will control moss and algae on wood concrete and asphalt for several months to 1 year.
Bayer 2 in 1 moss algae killer cleaner is a potassium soap of fatty acids and inert ingredients in liquid form.
You cannot control whether the wind deposits spores onto your roof but you can prevent the spores from developing into algae.
Attached near the peak of the roof.
Rooftop moss and algae are very common especially if you live in an area with heavy rainfall and high humidity levels.
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.
Once the roof is clean you can hinder moss and algae growth by introducing copper onto the roof surface.
Bayer 2 in 1 algae and moss killer.
Unlike zinc based moss killers this product is advertised as being non corrosive to metals.
10 gallon garden sprayer.
Increase the amount of sun on your roof by trimming back overhanging branches.
Another noteworthy feature of the gp66 is universality.
This product will not stain concrete or other surfaces.
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.
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.
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.
Copper is a naturally occurring element.
You must make the roof an unhealthy environment for spores.
Zinc strips left have been used for many years as an algae preventative.
Copper is a natural biocide and it s safe.
Whenever it rains trace amounts of metals are washed down the roof inhibiting algae growth.
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.
Garden hose spray attachment.