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.
How did my roof get algae.
There are several options when it comes to cleaning the algae from your rooftop.
These algae use the crushed limestone filler as a main food source.
Either can be identified because of distinctive properties.
Many homeowners attempt to clean the roof themselves while others choose to hire a professional cleaning service.
Algae and lichen.
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.
Copper is a natural biocide and the algae will not grow in its presence.
If you are living in an area with high humidity it s the perfect environment for moss and algae to grow and spread like a carpet.
It needs heat moisture and nutrients to grow.
Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles.
If you have about 3 inches of copper exposed at the top of the roof each time it rains a tiny amount of copper will wash down on the roof.
One of the first problems homeowners experience with roof algae has to do with appearance.
Nature was here first.
Why do i have moss and algae on my roof.
It s actually just a blue green algae spread by airborne spores.
Mold and algae look almost the same.
How to get rid of moss growth.
The algae will look like dark streaky patches and the moss will look like a soft furry carpet.
Zinc works too as does lead but the copper is more powerful.
To save money most shingle manufacturers have switched to shingles containing asphalt but mostly made up of fillers such as fiberglass and crushed limestone which encourages the growth of algae.
Click the photo or tap here to order the copper strips.
It is easily spread and causes those colorful stains on so many roofs.
Hiring a professional to do the job is always the best course of action when it comes to an investment as large.
8 ways roof algae can affect your roof appearance.
Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles.
We want to provide you the tools to look for either black or green algae so you know what to do should you find them on your roof.
They both grow from airborne spores they spread quickly and they form dark stains that look obvious especially on light colored roofs.
How do i get rid of algae on my roof.
It can also cause what is called extractive bleeding.
It is easily spread and causes those colorful stains on so many roofs.
Roof algae are signs.
When seen from the ground mold and algae both look like black growths that grow on wet spots.