30lb Roofing Felt Underlayment 36" x 144' Roll

Western Works 30lb Roofing Felt is an asphalt-saturated organic felt underlayment that provides a critical moisture barrier between the roof deck and shingles.
The heavier 30lb weight offers superior durability and water resistance compared to standard 15lb felt. Features: Asphalt-saturated for excellent water resistance.
Heavy 30lb weight provides enhanced durability. Reinforced organic mat for tear resistance during installation. Easy to roll out and fasten with cap nails or staples.
Specifications: Weight: 30 lbs per 100 sq ft (square). Width: 36 inches. Length: 144 feet. Coverage: 432 sq ft per roll. Type: #30 ASTM D226 Type II.
Applications: Primary underlayment for asphalt shingles, tile roofs, metal roofs, wood shakes. Required by most building codes for slopes 4:12 and greater.