通常,窗框直接与砌体相接触,造成了里外抹灰层,特别是窗台处互不衔接。窗框因常受温度、湿度和振动等影响,在框边产生裂缝。刮风下雨时,雨水会沿缝隙进入砌体,向灰缝或砌块孔洞内渗透。久而久之,窗口下内墙面会潮湿、发霉掉粉,形成污面。这样,不仅影响美观,而且降低了窗框 In general, the window frame is directly in contact with the masonry, resulting in a plaster layer inside and outside, and in particular, the windowsills are not connected to each other. Due to the influence of temperature, humidity, vibration, etc., the window frame is cracked at the edge of the frame. When it rains and rains, rainwater enters the masonry along the gap and penetrates into the mortar or block hole. Over time, the inner wall of the window will be wet, moldy and powdery, forming a dirty surface. This not only affects the appearance, but also reduces the window frame