防水卷材铺贴的施工要点：
Key points of waterproof roll paving construction:
（1）卷材防水层施工应在砌筑、安装设备、管道等完工后进行。
(1) The construction of membrane waterproof layer shall be carried out after the completion of masonry, installation equipment, pipeline, etc.
（2）铺贴高低跨的房屋时，应按先高后低，先远后近的顺序进行。
(2) When paving high and low span houses, it shall be carried out in the order of high first, low second, far first, and near second.
（3）在一个单跨铺贴时，应先铺贴排水比较集中的部位（如落水口、檐口、斜沟、天沟等处），按标高做到由低到高，坡面与立面的卷材应由下开始向上铺贴，使卷材按水流方向搭接。
(3) When a single span is paved, the parts with concentrated drainage (such as the gutter, cornice, inclined ditch, gutter, etc.) shall be paved first, and the coiled material of the slope and the facade shall be paved from the bottom to the top according to the elevation, so that the coiled material can be overlapped according to the water flow direction.
（4）卷材平行屋脊铺贴时，长边搭接不小于70mm，短边不小于150mm，相邻两幅卷材短边搭接缝应错开不小于500mm，为保证卷材搭接宽度和铺贴顺直，铺贴卷材时应弹出标线。
(4) When the coiled material is laid parallel to the roof ridge, the long side lap joint shall not be less than 70mm, the short side lap joint shall not be less than 150 mm, and the short side lap joint of the adjacent two sheets of coiled material shall not be less than 500 mm staggered. In order to ensure the lap width of the coiled material and the straight laying, the marking line shall be snapped when the coiled material is laid.