ShopDupesDealsBlogAppScan to download the appExtensionSign UpShopsThe Home DepotShareVisitDealsSaveFrom homedepot.com36 in. x 144 ft. Felt Roof UnderlaymentAsphalt Saturated Organic Roofing Felt has been a trusted roofing underlayment for over 100-years. This product is applied directly to the roof deck on sloped roofs and used under asphalt shingles, woodDownload Carrot for the full experience