防水层施工时先做好节点部位的处理，然后由屋面最低处向上施工。铺贴天沟、

When the waterproof layer is constructed, the joints should be treated first, and then the construction should be upward from the lowest part of the roof. When laying gutter and gutter roll materials, it is advisable to follow the direction of gutter and gutter to reduce overlap.

Waterproof layer construction first do a good job of node site treatment, and then from the lowest part of the roof up construction. Spread the trench, eaves trench coil should be down the sky ditch, eaves ditch direction, reduce hooking.

During the construction of waterproof layer, the treatment of nodes should be done first, and then the construction should be carried out from the lowest part of the roof upward. When paving the membrane of gutter and eaves gutter, it should be along the direction of gutter and eaves gutter to reduce overlapping.<br>