You can cut strips of zinc flashing copper and lead work too and slide them under a course of roof shingles to kill lichen and moss growing there or you could just buy these premade strips from shingle shield.
Mold resistant roof shingles.
Algae fighting has come of age with stainguard time release technology certain metal ions like copper and zinc can help reduce algae growth.
For more than 30 years we ve continued to advance our technologies to keep roofs beautiful and virtually maintenance free.
The premade ones are much quicker and probably neater looking.
Chemically treated roof shingles are available from several asphalt roofing manufacturers who offer these products which are resistant to moss lichens or algae growth on roofs.
Watch roof algae and moss video below.
Help keep your roof looking like new with the protection of owens corning streakguard algae resistance protection.
Darker colored shingles absorb heat and light while lighter colors reflect it.
Manufacturers today are selling shingles that are called fungus resistant and algae resistant.
Roof shingles with copper algae resistant outdoor roofing text.
Read the roofing ripoff book to get the full story.
Certainteed warrants that algae resistant shingles will remain free from blue green algae during this period and will pay without proration the reasonable cost to replace or clean the affected shingles.
But this really only holds up within the first two years it s completely prorated out within a two year period.
New asphalt roof shingles are available with an inclusion of chemicals that resist moss lichens algae and even fungal growth.
And it s misleading to the homeowner because by the second year there s nothing left on the warranty.
Look at your shingles in the daylight against your siding before you make any final decisions.
Some shingles come with small amounts of copper in the granules.
Humid or maritime climate s are more susceptible to algae growth so look for algae resistant shingles ar that help inhibit the growth of streak causing blue green algae.
Our algae resistant shingles carry a limited warranty against contamination from blue green algae during the first 10 or 15 years depending on the product.
Copper strips at the top are the best way to stop black algae stains see below.