The 5th edition - Residential code, section R507: Decks, does not address allowable spans for exterior free standing decks.
Do 2 x 6 Southern Pine No. 2 joists on 16 inch centers meet code requirements?
Interpretation #7901
Published September 22, 2026
Original Request
- Code Version
- 2014
- Code
- RESIDENT
- Code Description
- Chapter
- 5
- Section
- R507 Decks
- Topic
- Joist Spans