The natural action of rain water time releases zinc carbonate a proven fungistat which then washes down the roof preventing destructive roof moss algae and fungus growth.
Roof shingles anti mold.
Moss lichens algae resistant roof shingles.
Use algae resistant shingles when re roofing.
Avoid expensive roof cleaning repair.
But outdoor heavy duty cleaning usually calls for more heavy duty mixtures such as tsp and chlorine bleach see the tsp page for more details or specialty additives such as jomax from rustoleum which combines a cleaner with a bleach activator.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
The premade ones are much quicker and probably neater looking.
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It works with any wood or composition roof.
The best way to prevent this unsightly problem is by installing streakfighter algae resistant shingles.
If it s not cared for properly that 30 year shingle will only last 12 to 15 years.
You will be amazed at the results.
Extensive mold growth can also expose the interior of your attic or crawlspace to mold spores carrying the problem over to the inside.
Mold stains can form on roof shingles that are in permanent shade.
Discuss this option with your roofer when it s time to replace the roof.
Not to worry though because you can clean the mold off with basic household bleach and save your roof long before you need an expensive replacement.
I urge you to use it to help with cleaning your roof shingles.
If you ve had experience with mold and mildew in the home you know the best mildew remover is chlorine bleach.
We ve been around since 1984.
The truth is a 30 year shingle will not really last 30 years.
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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.
Sponsors 2 responses to roof shingles with copper algae resistant.
By this old house tom silva installs a zinc strip to keep roof algae from coming back.
That s one of the big misconceptions in the roofing marketplace.
Zincshield zinc strips liquidzinc chemical stop prevent roof stains from algae fungus mold moss lichen mildew on asphalt wood flat tile roofs.
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.
The expected service life of a 30 year product if properly cared for is approximately 25 years.
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