刚性屋面是指设有混凝上防水层的一种屋面。这种屋面主要依靠混凝土的憎水性和密实性达到防水的目的。当房屋的地基情况良好,不发生沉降,或基础沉降均匀;屋面带有一定的坡度,能使雨水及时排除;防水层的分块尺寸较小,分格缝内油膏嵌缝严密;结构层与防水层之间的隔离效果良好,那么, Rigid roof refers to a kind of roof with a waterproof layer on the concrete. This kind of roof mainly relies on the hydrophobicity and compactness of concrete to achieve the purpose of waterproofing. When the foundation of the house is in good condition, settlement does not occur, or the settlement of the foundation is even; the roof has a certain slope, which allows the rainwater to be eliminated in a timely manner; the partition of the waterproof layer is small in size, and the ointment in the subdivision seam is tightly sealed; The isolation between the layer and the waterproof layer is good, then,