15 ASTM 4869

GAP 15 ASTM D 4869 Type 1 roofing felt is a widely accepted underlayment product that is manufactured from organic felt and is saturated with asphalt.

    Product Use

    GAP 15 ASTM 4869 roofing felt is an underlayment that is applied over the roofing deck before installation of asphalt shingles. This is recommended for use with 20 and 25 year asphalt shingles.

    Technical Data

    ASTM D 4869 Type 1

    • Width of Roll = 36”
    • Roof coverage per Roll = 432 sq ft
    • Mass of Saturated felt roll = 8.0 lbs/ 100 ft sq
    • Mass of Asphalt Saturant = 4.0 lbs / 100 ft sq
    • Mass of desaturated felt = 4.0 lbs / 100 ft sq
    • Saturation by weight (min) = 100%
    • Saturation efficiency (min) by weight = 75%
    • Breaking Strength at 77F (min)
    • Machine direction = 30 lbf/in
    • Cross Direction = 15 lbf/in
    • Pass 4 hour liquid Transmission water test YES
    • Pliability at 77F when bend 90 degrees = ½” radius
    • Pallet Size 42” X 42”
    • No. of Rolls per Pallet= 30 for 4 Square Rolls.
    • Note: GAP # 15 is available in 2, 3, 4 Square Rolls and 400 Sq. ft. Roll

    Documents

    Download Printable Documents

    Manufacturing Locations

    Pryor, OK | McGregor, TX | Shafter, CA