Rafter-to-Joist Nailing (Unsupported Ridge) Table 9.23.13.8. Forming Part of Sentences 9.23.13.8.(5) and (6) [mm]: Inche(s): = Table 9.23.13.8. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. Similar articles Moisture Content (Lumber) Standards for Nails and Screws End Bearing Length of Joists and Rafters Floor Framing