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Panels Connect with Double Surface Spline

Adjacent wall panels with routed surfaces are butted together. A plywood spline is fastened to each side of both panels using partially threaded screws or nails.

Purpose: Transfer of in-plane shear along the panel-to-panel joint.

Design Notes

  • Capacity of connection is controlled by shear capacity of dowel-type fasteners.
  • Splines may be fully outside panels without routed surface where wall finishes allow.
  • Where using nails, consider specifying nail gun nails instead of common wire nails for constructability, or collated screws instead of individual screws.
  • Where screws are used instead of nails, cost increases and constructability is moderate.
  • Typical minimum plywood thickness is ½” nominal.
  • Coordinate spline and rout width and thickness with panel supplier.
Class
Class 1
Load
Load Medium
Cost
Cost $$
Const.
Constructability Easy
Fire
Fire Rating II

Panels Connect with Double Surface Spline

Adjacent wall panels with routed surfaces are butted together. A plywood spline is fastened to each side of both panels using partially threaded screws or nails.
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