The GAP Roofing #30 Roofing Felt provides an extra layer of protection between your shingles and your roof deck.
- Required underlayment over the roofing deck before installation of asphalt shingles
- The GAP Roofing #30 Roofing Felt provides an extra layer of protection between your shingles and your roof deck.
- Excellent asphalt saturation for effective waterproofing
- Heavy-duty design minimizes wrinkling
- Accurate lay lines for simple, consistent shingle application
- Slip-resistant, even in warm climates
- Meets ASTM D-4869 standards
Dimensions: Covers 200 sq ft
Installation Instructions: view PDF file
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