moss Typical Price Range To Install a new Roof Low $4,090 Average $5,138 High $7,418 See costs in your area By | Oct 31, 2020 ROOFING HELP – Get Answers About Roof Leaks & Repair, Choosing Contractors, Materials, etc. › Category: Questions › moss 0 Vote Up Vote Down deric asked 4 years ago On the back side of my roof miss is growing on every seam of the shingles, my roof is the only one and it’s only in the back of the house. Is this harmful? Please login or Register to submit your answer Username or Email Address Password Remember Me Published: October 31, 2020 There are: 0 Comments