为什么家庭装修中卫生间过门石下面要做防水？

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家庭装修中，卫生间过门石下面做防水主要是为了防止水分渗透引起的多种问题。首先，卫生间是一个湿气较重的地方，地面可能会因为洗澡、洗手等情况积水，如果过门石下没有做好防水，水分就会逐渐渗透到门框或者地面的结构层，导致木材腐烂或金属生锈。其次，水分的渗透也容易引起墙体的潮湿，甚至可能造成发霉、脱落等情况，影响居住环境。再次，做好防水处理可以有效延长装修材料的使用寿命，减少日后维修的麻烦。因此，卫生间过门石下面做防水是确保整个空间干燥、安全的重要环节。展开