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Why algae is bad for your roof and how to get rid of it

If you’ve noticed dark-colored stains on your roof, you most likely have an algae problem. Other than a less desirable appearance, algae doesn’t cause any direct pro...
Views: 442 Created 11/17/2017

If you’ve noticed dark-colored stains on your roof, you most likely have an algae problem. Other than a less desirable appearance, algae doesn’t cause any direct problems for your roof and some will tell you that if you don’t mind the staining, algae isn’t an urgent problem that needs to be addressed. Unfortunately, algae can indirectly damage your roof. That’s because as algae grows, it becomes food for moss. And unlike algae, moss can cause direct and serious problems for your roof. Moss acts like a sponge, holding onto rainwater long after the rest of the water has gone down the rain gutters and off the roof. This trapped moisture on your roof can erode shingles and lead to roof leaks, mold, and widespread damage to your roof deck, shingles, and your home’s interior.

What to do about it

The best way to take care of algae and moss on your roof is a high-base chemical solution such as zinc sulfate. It usually comes in powder form and you can apply it directly to any affected areas on your roof. When the moss and algae is dead, you can wait for the next good rain to wash it away or you can hose your roof down yourself. Just make sure to drape any plants below your roof as the chemical solution will kill those plants just as it kills algae and moss.

For longer term solutions, you can speak with a Spokane roofing company about moss and algae resistant roofing materials.

Home improvement news brought to you by bartonroof.com

Source: pamplinmedia. com/pt-adv-insiders/377114-263169-why-algae-and-moss-are-bad-for-your-roof

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