![GAF FeltBuster 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com GAF FeltBuster 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com](https://mobileimages.lowes.com/productimages/53032453-f843-4b16-9424-ee12827aa9a9/05119449.jpg)
GAF FeltBuster 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com
![APOC 36-in x 71.75-ft 200-sq ft Felt Roof Underlayment in the Roofing Underlayment department at Lowes.com APOC 36-in x 71.75-ft 200-sq ft Felt Roof Underlayment in the Roofing Underlayment department at Lowes.com](https://mobileimages.lowes.com/productimages/ffcbc822-465d-4a3c-9dc4-76743e4d10cb/63678517.jpg)
APOC 36-in x 71.75-ft 200-sq ft Felt Roof Underlayment in the Roofing Underlayment department at Lowes.com
![GAF FeltBuster 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com GAF FeltBuster 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com](https://mobileimages.lowes.com/productimages/940d87ad-b9b5-4251-9b55-252c2fb86c01/15590432.jpg)
GAF FeltBuster 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com
![Shop RELIABILT + CertainTeed Roofing Starter Bundle: Underlayment, Shingles and Accessories at Lowes.com Shop RELIABILT + CertainTeed Roofing Starter Bundle: Underlayment, Shingles and Accessories at Lowes.com](https://mobileimages.lowes.com/productimages/dfa37cee-0833-47a9-a70f-f12fb02f4fe2/62884557.jpg?size=cdp)
Shop RELIABILT + CertainTeed Roofing Starter Bundle: Underlayment, Shingles and Accessories at Lowes.com
![GAF FeltBuster 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com GAF FeltBuster 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com](https://mobileimages.lowes.com/productimages/6b38e8f3-1db3-4620-8bd2-cc4050f80022/65886173.jpeg)