可能兩塊shingle 鬆動了。已經有water damage 的可能性不大,因為移動15cm時一般仍然是全覆蓋的。
所有跟帖:
• 謝謝你的寬慰,我昨晚在閣樓照了幾張圖片,支撐房頂的兩側牆麵上有水印 -tidytiger- ♀ (413 bytes) () 04/21/2018 postreply 04:51:25
• 謝謝你的寬慰,我昨晚在閣樓照了幾張圖片,支撐房頂的兩側牆麵上有水印 -tidytiger- ♀ (413 bytes) () 04/21/2018 postreply 04:51:25
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