屋面防水工程施工使用高分子涂料有十忌:一忌基层不平整不坚实高分子涂料涂膜厚度一般为2～4毫米,对基层的施工质量要求严格。保温层要振实。找平层有的施工单位分两次操作,即先用1:3水泥砂浆抹一层,厚度为2～3厘米, There are ten taboos on the use of polymer coatings in roofing waterproof construction projects: One avoids unevenness in the grass-roots layer. The thickness of the polymer coating is generally not less than 2 to 4 mm. The construction quality of the grass-roots layer is strict. Insulation layer should be tapped. Leveling layer of some construction units in two operations, that is, a layer of 1:3 cement mortar, a thickness of 2 to 3 cm,