Synthetic Roofing Underlayment vs. Felt Roofing Underlayment Posted byRoofing Envelope Contractors June 22, 2020 Leave a comment on Synthetic Roofing Underlayment vs. Felt Roofing Underlayment https://epilayroofingunderlayment.com/2018/08/27/synthetic-roofing-underlayment-vs-felt-roofing-underlayment/Share this:TwitterFacebookLike this:Like Loading... Published by Roofing Envelope Contractors 35 Years in the Roofing and Sheet Metal Contracting Experience in Roofing and Contracting View more posts