对于浴室，我在renovationforum，刚刚读到一段话，感到震惊。

xiuxiandao

“every single shower pre 1995 leaks because there were no requirements for a backing membrane back then. Pretty much every house needa the bathroom to be redone now”
https://www.renovateforum.com/f209/stopping-leaks-shower-十二4239/
2000当前的又是萝卜快了不洗泥。