Asphalt Roofing Felt, 1)Size: 1m x 20m, etc. 2)Weight of per rool: 18LB - 83LB, etc 3)Package: export packing by roll. Asphalt Roofing FeltSpecifications:1)This product is specialized in waterproof materials, packing, building dampproofing. 2)This product is processed by making the...