ns-nt312-caMaximum Floor Spans – Mid-span Blocking (2015 NBC)Portées maximales de plancher – Blocage à mi-portée (CNB 2015)TypeTechnical NoteProduct(s)Nordic JoistBuilding codeCanadaLatest update2020-09-24Available filesEN – englishPDF – 389 koFR – frenchPDF – 413 ko