近几年来,室外钢窗框与墙交接处的缝隙和窗框下框边两角内窗台处,一下雨便有渗漏的现象。其原因是,室外窗台坡向和粉刷层咬下框有凸出的现象,因温度影响造成收缩变形等。根据现场检查和实际操作情况来看,钢窗框呈凹形,关键是框与墙的缝隙之间没有镶 In recent years, the gap between the outer steel window frame and the wall junction and the window frame at the corner of the lower window frame have been leaking. The reason for this is that the slope of the outdoor window sill and the stucco bite the underside of the frame are convex, resulting in shrinkage and deformation due to temperature influences. According to the on-site inspection and actual operation, the steel window frame is concave, the key is that the gap between the frame and the wall is not inlaid