The GAP Roofing # 15 Roofing Felt provides an extra layer of protection between shingles and roof deck. The heavy-duty design keeps wrinkles to a minimum， and the accurate lay lines allow for easy， consistent shingle application. This product complies with ASTM D 4869 Type 1 code.
Great asphalt saturation for effective waterproofing
Heavy-duty design minimizes wrinkling and lays flat
Accurate lay lines for simple， consistent shingle application
Slip-resistant， even in warm climates
Passes 4 hour water shower test
Meets ASTM D-4869 standards
Note: Product may vary by store
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