3mm 4mm Bitumen waterproof membrane china manufacture 

SBS/APP modified bitumen membrane is a rubber-modified asphalt overlay cited as maceration，polyester nonwoven felt and compound base with fiberglass for membrane base mat, kinds of plastic film for Release spacer layer.
Specification:
Width:1m
Length/roll:7.5m/10m/15m or as your need.
Surface:PE film/Granules/Sand...
Characteristic:
a) SBS modified bitumen water proofing membrane is specially used as waterproof material in cold area
b) APP is specially suitable for areas of high temperature and of strong sun-shine SBS/APP Modified Bitumen 
Water proofing Membrane
c)Good performance in Good impermeability ,anti-puncture, anti-broker, anti-resistance, anti-erosion, anti-mildew, anti-weathering
d)Possess good tensile strength, elongation rate and size stability which could be well suited the substrate distortion and crack
Uses:
Suitable for civil building roofing, underground, bridge, parking, pool, tunnel in the line of waterproofing and dampproof, especially for the building under high temperature. According the roofing engineering stipulation, APP modified bitumen membrane could be used in the Grade I civil building and industrial building which has special waterproofing requirement.