| 
 1310| 5
 | can i notch out joists of the second floor? any structure engineer here? | 
|  | |
| 
 | ||
| 
 | ||
| 
 | ||
GMT-7, 2025-10-31 00:09 , Processed in 0.133629 second(s), 12 queries , Gzip On, APC On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.