this is the right way...

you actually use two flashings, the first covered by the second

所有跟帖： 

• 看到房子另一側和你這張圖片類似，釘有金屬片 -又見新月- ♀ (39 bytes) () 07/21/2023 postreply 13:24:34

• 好奇，這是用水泥還是膠粘上的？ -pickshell- ♀ (0 bytes) () 07/21/2023 postreply 14:41:52

• 哈哈，這是砌牆的時候砌進去的。。。 -borisg- ♂ (0 bytes) () 07/21/2023 postreply 15:03:02

• 哦，這樣噠，又長知識啦～ -pickshell- ♀ (0 bytes) () 07/21/2023 postreply 16:14:17