[USA] Here in Oregon, when you combine the common blue-green algae that grows on your roof shingles with moss, you have a bad combination that can damage your roof, even promote rot. If you know you have algae and moss on your roof then it might be worth contacting Water Damage and Roofing of Buda to make sure your roof is in top condition.
Algae and moss growing on your roof could be just some of the many reasons why the interior of your house could be contaminated with water damage. A clogged or faulty guttering system will eventually lead to excess water making its way into your home in the form of basement flooding for example. These issues can easily be resolved, and this should be done before they have the chance to become worse. Someone similar to this Clean Pro Gutter Cleaning Buffalo company will be able to remove any debris that is blocking the flow of water through your gutters so that it doesn’t start overflowing into your home. Many unresolved issues regarding your home tend to become more noticeable when you have trouble with things like algae and moss growing on your roof.
What happens is the algae grows and becomes food for the moss. That moss then collects rainwater, like a sponge. If that top layer of moss gets heavy enough, the moisture seeps under the roof shingles and into the understructure. This brings mold build-up and eventually decay. If this issue is ignored for a long period of time, a roof repair service might be required to resolve the issue.
That means if you see algae or moss on your roof shingles, it’s time to remove it.
The only way to take care of it is to use a high-base chemical solution, like zinc sulfate.
Zinc sulfate most often comes in powder form. To start cleaning, apply it directly and generously to moss areas – it’s recommended to use three pounds of powder for every 600 square feet. Spread it along the ridge of the roof, then let the rain do its job of dissolving it.
Generally, this takes care of moss for 1-3 years. The zinc needs to be applied annually though to keep the algae from regrowing.
The downside to zinc sulfate is that can be damaging to plants if it hits them directly. That’s why, before using it, most people will drape their plants to protect them. We also recommend applying it on a calm day. View original article at: Concentrated CO2 enables growth spurt in algae