Black building paper: meets ASTM-D779 ASTM-D828 ASTM-E96 2) Specifications: 30min, 60min 90min BLACK BUILDING PAPER AND ROOFING FELT/ORGANIC FELT. Features: 1) Black building paper: meets ASTM-D779 ASTM-D828 ASTM-E96 2) Specifications: 30min, 60min, 90min, 120min 3) Asphalt roofing felt: 15#, 30#, 13#(no. 30), 8#(no. 15), 90# OEM AVAIABLE. FOR MORE INFORMATION PLEASE CONTACT US