照你这规模改动结构，是要许可的，否则保险公司会有麻烦。

来源: 于 2012-07-23 11:41:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Stick frame house, the living room drywalls will be torn out to attach new beams for 2nd floor room on existing frame. If proper sized beam is used, should not need support underneath.