Zinc strips left have been used for many years as an algae preventative.
Moving algae from tile roofs.
You could replace all the roofing with new shingles dark enough to disguise the staining or with shingles laced with copper granules which are lethal to algae.
The appearance of black streaks stains and green black hues on your roof is the common way to identify fungal growths.
Once the roof is completely dry our roof rain sealant coat also made from natural products is applied to stop algae from regrowing.
The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.
The professional roofers at kelly roofing use soft washing techniques never pressurized water to gently and patiently remove the algae restore the luster of your tiles and clean them thoroughly.
Roof algae generally have a black green hue.
You may think you have roof algae when really you have moss mildew or mold.
Attached near the peak of the roof.
There is a simple way to get rid of these algae.
How to remove algae from roof shingles here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles.
Copper strips prevent the growth of moss and algae.
Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach.
These fungal growths do not grow directly on the roof tiles but grow in between the tiles and then start to spread to cover various surfaces of the roof.
Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight.
The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen.
When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus.
The only way to take care of it is to use a high base chemical solution like zinc sulfate.
In addition some houses might have green algae from nearby trees.
Luckily both algae and moss can be easily removed from shingle roofs.
Moss is a thick organic growth.
But that would only make sense if the shingles were worn out.
Algae and fungi roof tile accumulation is very common in south florida.
It will not take the color out of the shingles and will not harm the vegetation.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
If you wish to prevent reoccurrence of fungus think zinc.
240 ml dish washing soap 7 5 liter of water.
Or you can make your own moss remover in a large spray bottle with one of these four diy recipes.
Algae colonies can form on roof shingles that are in permanent shade.
Roof moss removal usually requires a broom or heavy stream of water.
