回复：自己动手安天窗(图)

来源: 于 2007-08-09 10:15:18 [旧帖] [给我悄悄话] 本文已被阅读：次

Looks nice, but I have an engineering confusion;
The separation between former ceiling and roof allowed air circulation. It kept the air cool in summer. Why do you want to eliminate that?