That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to.
Algae on 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.
Common algae that form on roof surfaces including asphalt shingles and roll roofing include the algae shown above and gleocapsa magma a species that generally appears black on the roof surface but under some lighting conditions even on the roof gleocapsa magma can appear as a blue green color as might other algae genera species.
Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach.
Roof algae is not harmful or dangerous in itself but after a period of time the algae can cause the protective uv granules that cover roofing shingles to begin to come off eventually drying them out.
Roof algae may start on your home but it won t be long until you notice similar growth beginning on the roofs of sheds barns and carports.
It could even travel to neighbors homes spreading the issue throughout the neighborhood.
Fungus which also travels through the air can combine with algae already present on your roof and form into lichen.
This lichen feeds off.
Roof moss removal and algae tips.
Roof moss removal usually requires a broom or heavy stream of water.
Lastly but more importantly roof algae can damage health.
There comes a point where a new roof is a necessity.
On the other hand feldco roofing is the primary choice for many residents and communities in the midwest.
However not all roofing companies offer the same service and quality products.
Prevent roof algae growth with new shingles.