... :Annually Manufacturing 2,000,000 m2 of various types of modified bitumen waterproofing membrane(SBS/APP);two shifts per day ,16 ... of 3 mm.2, Base materials:Polyester mat, fiberglass tissue3, Modified Materials:SBS, APP etc.4, Surfacing:sand, slate flakes , PE ... side: PE film; another side: sand or slate flakes PE film on both sides. Embossed or plain.5, Specification of products: Thickness ...