由济南防水公司得出结论认为漏水原因主要有以下几点：
1.屋面卷材防水施工存在缺陷，卷材在伸缩缝翻边位置搭接，搭接位置不当；
1 roll roofing waterproofing construction defects, roll seam flanging position lap on lap telescopic, improper location;
2.设计原因伸缩缝翻边二次浇注，混凝土接缝处容易渗水；
2 reasons for the design of expansion joint two flanging pouring concrete joints, easy leakage;
3.排烟管在屋面施工完成后安装，在屋面楼板上凿洞破坏了原有防水层，且补洞时未做 防水处理；
3 the exhaust pipe is installed on the roof after the completion of construction, boreholes, destroyed the original waterproofing layer on the roof floor, do waterproof processing and did not fill the hole at;
4.靠近二期建筑物外墙渗水主要是外墙未做防水，暴雨冲刷外墙造成渗漏；
4 close to the two period of building external wall seepage wall mainly is not waterproof, exterior wall leakage caused by torrential rain;
5.在外墙砌体未沉降密实时完成了斜砖砌筑，斜砖未顶紧密实；
5 in the exterior wall of not settling dense real-time completed the diagonal brick masonry, brick not inclined top tight real;
6.窗边渗水主要是因为窗框塞浆未密实，窗边密封胶施工质量较差。
6 window seepage is mainly because the window frame plug slurry is not dense, poor quality of construction window sealant.
济南防水：http://www.tianyujian.com/
