公共建筑物的屋面设计一般设置保温层,保温层内的水分通过排汽槽、排汽井或排汽孔排出,以防止防水层起鼓、开裂。排汽井的作法较多,但大多不太适用或不太雅观。我公司在创优质工程施工中,特意设计了一种新作法(图1、2)。具体作法如下。1.按施工规范和设计要求,做好排汽 Public buildings roof design generally set the insulation layer, the insulation layer of water through the exhaust slot, exhaust well or exhaust vent to prevent the waterproof layer drum, cracking. Exhaust well practice more, but most are not suitable or not too elegant. My company in a high-quality construction, specially designed a new approach (Figure 1,2). Specific practices are as follows. 1 according to construction norms and design requirements, good exhaust