1.thiness:2.5-3.5mm 2.windth:1.5or1.8m 3.longth"15or20mper roll 4.packing:kraft paper in roll Product features 1.has good performance in waterproof,drainage performance2. Anti-skidding performance3.Ultraviolet resistant,chemical corrosion resistant4.Smelless and non-toxic performance5.Weather resistant6.The product can restrain the exist of mould7. Fire resistant and mute noise8.Resistance to ...