墙体结露、发霉、长毛,这是北方房地产业的一个顽疾,问题主要出现在以下几个方面。1设计问题(1)设计的结构构造不合理。冷桥过多,热阻达不到要求,如:窗口周围、构造柱、梁侧立面、老虎窗,都是产生冷桥现象的常见部位。有些部位设计时理论上是够的,但实际施工中或施工难度很大或是根本无法实现。 Wall condensation, moldy, long hair, which is a chronic illness in the northern real estate, the problem mainly in the following areas. 1 design problems (1) the structure of the design structure is not reasonable. Cold bridge too much, thermal resistance does not meet the requirements, such as: the window around the structure column, beam side elevation, tiger window, are common cold bridge phenomenon. Some parts of the design time is theoretically enough, but the actual construction or construction of a great difficulty or simply can not be achieved.