https://www.angieslist.com/articles/moss-growing-my-roof.htm?CID=SocialAuthSS
Is that moss growing on my roof?
Green, spongy clumps on your roof are moss. (Photo courtesy of Advantage Roof Cleaning)
Green, spongy clumps on your roof are moss. (Photo courtesy of Advantage Roof Cleaning)
Date Published: Jul 22 2014
by Stephanie Snay
Highly rated roof cleaning experts say moisture, filler in asphalt shingles, soil, tree sap, leaf fibers and airborne spores can cause substances like moss to grow on your roof, lowering your curb appeal.