相信很多朋友在家里装修时，都会考虑到防盗门质量这块，因为这是和安全直接挂勾的。如果发现质量比较差的话，即便成本再高，也还是会选择更换的。毕竟没有什么，比家里的安全更重要了。而在安装防盗门时，最常见的方法，就是利用膨胀螺丝来固定，这也是现在比较主流的安装方式。不过当我看到邻居家后，才知道防盗门这样安装才最牢固，自己还是第一次看到这样做的，经过了解，发现这样真的很不错。以后自己家在装修时，也可以来借鉴。

从师傅的安装现场看到，他在安装防盗门时，也是利用膨胀螺丝来固定的，和其他师傅并没有什么区别。甚至在螺丝的使用数量上，还没有其他师傅打的多。因为正常情况下，防盗门是有10颗螺丝的，也就是左右各3颗，上下各2颗。而这位师傅在安装时，却只用到了8颗，没有给下面门框安装螺丝。当然，这也是可以的，因为有8颗螺丝，足够把门框给固定住了，并且底部后期会铺地砖，也能间接性起到加固作用。

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不过当师傅把螺丝固定好，在我和邻居都认为，这样已经算完成的情况下。师傅却去拌水泥了，表示门框还要用水泥来加固下。也直到这时，我才发现这位师傅安装防盗门，与其它师傅不同之处，也知道防盗门这样做才最牢固，永远都不会出现松动问题。

从下图中看到，师傅是用了一个超大的注射器，将水泥顺着门框缝隙给灌进去。据师傅说，这样做的目的，就是用水泥把门框给牢牢的封死。这样后期在使用时，就不会因关门时的撞击，导致门框出现松动问题。同时在关门时，也会发生很厚重的声音，而不是那种很清脆的声音。并且利用水泥来加固螺丝，可以保证螺丝不会松动。说的夸张一点，就是后期若想拆掉的话，都不是一件简单的事。

所以大家在装修时，不管有没有更换防盗门，都是有必要这样处理一下的。不过有一点要注意，就是在灌水泥时，不要对着门框上的孔来灌。否则当水泥凝固之后，就会导致门打不开。这一点非常重要，千万不要忽视掉。