1.改进屋面瓦与平屋面交接处节点通过工程回访发现,部分工程在坡瓦屋面与平屋面交界处出现渗漏现象。现场将平瓦揭开后,发现瓦内潮湿、粘结砂浆冻碎;凿开砂浆粘结层,其下面的SBC防水卷材搭接缝冻坏,雨水由此处渗入室内(图1)。 1. Improve the roof tile and flat roof junction of the junction Return visits found through the project, some projects in the slope tile roof and flat roof junction leakage phenomenon. After the flat tile was unveiled on site, it was found that the tiles were damp and the bonded mortar was frozen and crushed. The mortar adhesive layer was cut and the joints of SBC waterproofing membrane underneath were frozen and damaged. Rainwater infiltrated into the room from here (Figure 1).