G.A.P. 38 In. x 138 Ft. Non-Rated 15 lb Roof Felt, Asphalt Saturated
- GAP Roofing #15 Felt Underlayment provides an extra layer of protection between your shingles and your roof deck
- Excellent asphalt saturation for effective waterproofing
- Accurate lay lines for simple, consistent shingle application
- Slip-resistant, even in warm climates
- Non-Rated
- Economical roofing underlayment