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If you need a new roof installed, LOA is the roofing company to call! Our roofing experts are known for providing quality workmanship at a fair price. If you own a house or business in Central Texas you can’t afford to work with another roofer.
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Why Roof Algae and Mold Growth Occur and What You Can Do About It
Mold and algae are different organisms, but they can both grow on roofs and create similar problems with the roofing system. A moldy roof or algae covered roof definitely doesn’t help curb appeal, which is reason enough to investigate mold and algae removal. However, as professional roofers we’re more concerned with why algae and mold spores are present because it can be the result of a more serious roof problem.
Do you need roof algae or mold removal?
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How to Remove Roof Mold and Algae
You’ll want to remove algae and mold, not just because it ruins the aesthetic of your roof. Stuck on mold and algae isn’t just unsightly, it can cause damage that requires roof repair if it isn’t addressed. Mold and algae are organisms that slowly eat away at roofing material. Mold exposure is also a concern even if it is outdoors. Here’s what you can do about it.
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Trim Overhanging Branches
The first thing you’ll want to do is trim overhanging branches that can cause issues beyond mold growth. Doing so will help keep the roof clear of debris during the next step.
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Roof Cleaning
Now that the limbs are trimmed back you can move on to roof cleaning. A cleaning solution that is half chlorine bleach and half water should remove algae growth and mold. Use a pump sprayer to coat the roof with the bleach solution, let it sit for 20 minutes and then rinse it off. Just make sure the water pressure is low. A power sprayer may remove the mold and algae, but it can also damage roof shingles.


