OSWA - Structural Lumber Products

Welcome to OSWA’s dedicated page to Structural Lumber Products.

OSWA is committed to educating Building Officials and Design Professionals by providing general information and educational tools to assist with permit submission and specification of structural lumber products.

  • Links and references below are intended for general information purposes only.
  • Links to third party websites are provided for convenience and general information purposes only.

APA video links
https://www.apawood.org/back-to-basics

APA General Information Details links
https://www.apawood.org/publication-search?q=

NBCC Fire Rated Assemblies
Part 9, Tables A-9.10.3.1.B for Floors, Ceilings and Roofs

Acoustic
Part 5 and 9, Tables 9.10.31.A and 9.10.31.B
Tables 9.11.1.4.A to 9.111.1.4D

A Structural Lumber Products Road Map Guide to Building Permit Review Process

Designer Roles and Responsibilities - Ontario


For more detailed information (fire assemblies, etc.) on specific structural products see OSWA member website links below.

OSWA SLP Member Links

https://www.oswa.ca/find/


Product Evaluations, link to CCMC
https://nrc.canada.ca/en