室外面砖镶贴最容易出现的问题就是空鼓脱落。除其它因素之外,其直接原因就是饰面勾缝不好,雨雪水渗入饰面基层或积存于一些空隙之中,在长期的浸蚀和反复冻融的作用下,受水害的部位就会发生空鼓脱落。但是,如能在面砖勾缝时细心操作,不但可以通过勾缝来增强对面砖的握裹嵌固能力和提高饰面的整体性能,同时还可以起到防水作用,可以弥补局部砂浆不够密实饱满、部分面砖空鼓等上道工序留下的缺陷和隐患,减少和避免面 The most common problem with outdoor brick inlays is the shedding of empty drums. In addition to other factors, the direct cause is that the decorative joints are not well jointed, rain and snow water infiltrate the base layer of the finish or accumulate in some voids. Under long-term erosion and repeated freezing and thawing, the parts affected by the water are Empty drums will fall off. However, if you can carefully work on the bricks, it not only can improve the gripping and fixing ability of the bricks and improve the overall performance of the facing. It can also play a role in waterproofing, which can make up for the local mortar is not dense enough , defects, and hidden troubles left by the previous process such as the emptying of some bricks, reducing and avoiding