建筑拒水粉的防水做法是解决屋面渗漏的一种有效途径,已使用过的单位都取得比较满意的效果。编辑部转来不少读者来信,询问建筑拒水粉在落水口处如何做法,现介绍如下:一、横穿落水口的做法(可按下列顺序施工)1.将女儿墙上落水管预留孔内壁和周围凿毛部位,先用1;3水泥砂浆抹平,不必太光。2.抹平的砂浆面初凝后再刮水泥拒水膏(见下 Water repellency of building water repellent powder is an effective way to solve the roof leakage, and the used units have achieved satisfactory results. The editorial department sent a letter from many readers and asked how the water repellent powder was used at the water outlets. It was introduced as follows: 1. The practice of crossing the outlet (can be constructed in the following order) 1. The inner wall of the downpipe on the daughter wall And around the hair removal site, first with 1; 3 cement mortar leveling, not too light. 2. Scrape the surface of the mortar and then scrape the cement repellent paste (see below