Those dark stains on your roof are actually algae. And that algae growing on your roof is not just an eyesore, it’s a health hazard as well. Every mold species can have a different health effect. But what’s important is …
Those dark stains on your roof are actually algae. And that algae growing on your roof is not just an eyesore, it’s a health hazard as well. Every mold species can have a different health effect. But what’s important is …