无论是纸胎,玻纤胎还是化纤胎沥青防水卷材,都是以连续的胎体浸以沥青制成的,这种纵,横向拉力均匀的卷材作为连续的防水层铺在女儿墙,接缝,天沟等特殊部位时,就无法适应这些部位的收缩变形,致使卷材局部应力过于集中而断裂。 Whether it is a paper tire, a glass fiber tire or a chemical fiber tire bitumen waterproofing membrane, it is made of a continuous carcass impregnated with asphalt, and this vertical and horizontal tensioned sheet is laid on the parapet wall as a continuous waterproof layer. Joints, gutters and other special parts, they can not adapt to the shrinkage of these parts, resulting in local stress on the coil is too concentrated and fracture.