屋面工程高聚物改性沥青防水卷材采用胶 黏剂搭接时，其长边搭接宽度应是下列哪个数值?
屋面工程高聚物改性沥青防水卷材采用胶黏剂搭接时，其长边搭接宽度应是下列哪个数值?
A 50mm
B 60mm
c80mm
D100mm
正确答案D
解析:
参见《屋面工程质量验收规范》(GB 50207—2012)。6-2·3卷材搭接缝应符合下列规定:①平行屋脊的卷材搭接缝应顺流水方向，卷材搭接宽度应符合表10– 5的规定;②相邻两幅卷材短边搭接缝应错开，且不得小于500mm;③上下层卷材长边搭接缝应错开，且不得小于幅宽的1/3。
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