![Amazon.com: F-15 Industrial Felt by The Foot - 72" Wide x 1 ft Long x 1/4" Thick : Industrial & Scientific Amazon.com: F-15 Industrial Felt by The Foot - 72" Wide x 1 ft Long x 1/4" Thick : Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61pGF8QYyeL._AC_UF894,1000_QL80_.jpg)
Amazon.com: F-15 Industrial Felt by The Foot - 72" Wide x 1 ft Long x 1/4" Thick : Industrial & Scientific
![RhinoRoof Synthetic 15lb. Felt Roofing Underlayment - U20 - 20 Year Warranty - Pallet of 67 - Walmart.com RhinoRoof Synthetic 15lb. Felt Roofing Underlayment - U20 - 20 Year Warranty - Pallet of 67 - Walmart.com](https://i5.walmartimages.com/asr/ce4d9b3b-85c8-47b9-967a-f30cd97f3926.e71b948b90ad6b6326397f328be3ce30.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
RhinoRoof Synthetic 15lb. Felt Roofing Underlayment - U20 - 20 Year Warranty - Pallet of 67 - Walmart.com
J Quintero Roofing - When should I use 30lb felt? Most standard pitched roofs only need a 15lb. felt for proper underlayment. 30lb. is used for many specialty applications such as: low
![RhinoRoof Synthetic 15lb. Felt Roofing Underlayment - U20 - 20 Year Warranty - Pallet of 67 - Walmart.com RhinoRoof Synthetic 15lb. Felt Roofing Underlayment - U20 - 20 Year Warranty - Pallet of 67 - Walmart.com](https://i5.walmartimages.com/asr/b3baa005-3e60-49ab-abe6-bd6f26ebe0d0.a3f6137e029be87780e177c387baf660.jpeg)