1.SBS,self-adhesive membrane 2.produce waterproof membrance 3. Long life time 4.Good ... , toilet, bridge, park, swimming pool, tunnel for waterproof and moistureprof. Bitumen is a hydrocarbon and is created ... plastic additive that gives rigidity and tear resistance, or SBS (styrene butadiene styrene) a rubber additive that gives ... the bitumen mixes on huge rollers bitumen/SBS waterproof membrane machine