ns-nt306d-caMaximum Floor Spans – Mid-span Blocking (2020 NBC)Portées maximales de plancher – Blocage à mi-portée (CNB 2020)TypeTechnical NoteProduct(s)Nordic JoistBuilding codeCanadaLatest update2022-04-26Available filesEN – englishPDF – 408 koFR – frenchPDF – 432 ko