![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/a0fe1641-c27e-43e6-b22c-7432b64f0ae3/65886178.jpeg)
GAF FeltBuster 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com
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Synthetic Roofing Underlayment vs. Felt Roofing Underlayment: What's the Difference? - Big League Roofers
![RELIABILT 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com RELIABILT 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment in the Roofing Underlayment department at Lowes.com](https://mobileimages.lowes.com/productimages/dfa37cee-0833-47a9-a70f-f12fb02f4fe2/62884557.jpg?size=pdhism)
RELIABILT 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 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/06a45f63-c037-4e01-aad6-affb186d8436/65886174.jpeg?size=pdhism)
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 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)