Due to aac ' s unique cell structure and absorbing water propriety , however , there are still many problems , when we adopt ordinary mortar to construct and plasterer ash , such as wall crack , big area of layer of plasterer ash crack and partially hollow drum , even according to present aac technical specifications , for the actual operation craft is so complicated that it is very to guarantee each preface quality 然而,由于加气混凝土本身特有的多孔结构和吸水特性,采用普通砂浆砌筑与抹灰,即使按现行加气混凝土砌块施工规定的方法施工,由于实际操作工艺复杂,各工序质量难以保证,依然有墙体开裂,抹灰层大面积龟裂和局部起鼓、空壳、脱落等现象。