Black Roof Stains? Check for Algae!

what is roof algae before and after

Black Roof Stains? Concerns: Insurance will not cover leaks due to algae Lessens the structural integrity of the shingles and causes premature aging. It makes your home look not maintained, dirty, and is not aesthetically pleasing. Manufacturer warranties do not cover algae. If an algae resistant shingle is purchased be sure to check the warranty. […]