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某工程由主楼和裙楼组成 ,屋面防水面积为２６０５ｍ２,屋面作法为水泥蛭石保温层 ,聚氨酯三布五涂防水层。两年后找平层出现起鼓、开裂 ,防水层被拉裂并渗漏。经现场考察分析认为 ,排汽道、排汽孔的施工质量差是造成屋面渗漏的主要原因。１．屋面施工时 ,为赶进度 ,未等保温层
A project consists of the main building and podium composition, roof waterproofing area of 2605m2, roofing practices for the cement vermiculite insulation layer, polyurethane three cloth five coated waterproof layer. Two years after the leveling layer appears drums, cracking, waterproof layer is cracked and leakage. According to the field investigation and analysis, the poor construction quality of the steam exhaust vent and vent hole is the main reason of the roof leakage. 1. Roof construction, to catch up, not waiting for insulation