If a VERSA-LAM beam is used as a joist and is "repetitive," you can realize a 4% increase in the allowable bending moment. All the following requirements must be met:
- There are at least three adjacent members in the floor or roof system.
- The members are spaced at 24 inches on-center or less.
- They are joined by floor, roof or other load-distributing elements (plywood or OSB floor sheathing) adequate to support the design load.