flat roof Average Roof Costs For: Asphalt Shingles Standing Seam Metal Roof Metal Shingles EPMD Rubber Roof PVC/TPO Flat Roof Wood Shakes/Shingels Natural Slate Synthetic Slate Clay/Concrete Tile Seamless Gutters Most Homeowners Spent Between: Most People Spent: $4,190 - $5,740 (For a 1600 sq. ft. Roof) Low End $3,931 Average $5,148 High End $9,371 See costs in your area Start Here - Enter Your Zip Code ROOFING HELP – Get Answers About Roof Leaks & Repair, Choosing Contractors, Materials, etc. › Category: Questions › flat roof 0 Vote Up Vote Down Larry Dewayne Macklin asked 1 year ago have a flat roof with out any iso board its tpo on top of tar and it is sweating so bad the insulation is falling off and the house has damp moldy smell. walls inside house are plaster Please login or Register to submit your answer Username or Email Address Password Remember Me Published: November 25, 2021 This roofing guide is presented by Leo B. I've been a roofer for 15 years, and specialize in Metal Roofing and Flat Roofing. Have a roofing question or issue? Ask me any roofing question! Roofing Contractors - join our free Local Roofers directory to get more customers! There are: 0 Comments