
Key benifits are:
- Ability to run mechanical through the truss (no drilling holes / hole charts)
- Light weight compared to solid members
- Many shapes and profiles
- Can handle a wide range of load conditions

Truss profiles can be parallel, tapered, pitched and tapered, curved and crescent. Available depths are 14″ minimum to 80″+.
Metal Pin-Connected Open Web Trusses are manufactured by Web Joist NW, Inc
Follow this link for load tables, design guide and standard details: Web Joist NW