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
APA General Information Details links
NBCC Fire Rated Assemblies
Part 9, Tables A-220.127.116.11.B for Floors, Ceilings and Roofs
Part 5 and 9, Tables 9.10.31.A and 9.10.31.B
Tables 18.104.22.168.A to 22.214.171.124D
For more detailed information (fire assemblies, etc.) on specific structural products see OSWA member website links below.
OSWA SLP Member Links
Product Evaluations, link to CCMC