Shaunj77...
If you aren't planning on a massive amount of weight, you can span 15 ft with a 2X10 or 2X8. I would go 2X10 and just spend an extra $100 for safety. You should be able to go 24 inches o.c. with your joist spacing. In residential construction, it would be below code.
Last edited by ezylman; 06/11/08 11:24 AM.
