Division 06 Wood, Plastics, and Composites

Detail or Installation Mismatch in Division 06 Wood, Plastics, and Composites submittals

By Deviation Check Editorial Team. Last reviewed June 1, 2026.

Short answer

The submitted detail, dimension, anchorage, or installation method differs from what the spec or drawings require. Default grade in Division 06 Wood, Plastics, and Composites: Fix and Resubmit.

The submitted detail, dimension, anchorage, or installation method differs from what the spec or drawings require. This guide covers how it shows up specifically in Division 06 Wood, Plastics, and Composites submittals.

What to look for in Division 06 Wood, Plastics, and Composites

  • Lumber dimensions - nominal vs actual, or non-standard sizes submitted
  • Connection hardware - nail/screw size, count, or pattern differs from structural drawings
  • Joist/rafter spacing - 24" o.c. submitted where spec calls for 16" o.c.
  • Bearing length - inadequate bearing at supports per NDS requirements
  • Sheathing nailing schedule - nail size and spacing at panel edges and field differs from shear wall schedule
  • Blocking and bridging - missing or spacing differs from spec
  • Truss bracing - temporary and permanent bracing details do not match BCSI guidelines
  • Preservative treatment - ground contact (UC4A) submitted where above-ground (UC3B) was specified, or vice versa
  • Adhesive type - interior adhesive where exterior/waterproof is required
  • FRP panel thickness or profile differs from spec
  • Wood-to-concrete anchorage - anchor bolt size, spacing, or embed depth differs

How severe is it?

Default grade: Fix and Resubmit. Escalates to Blocker when the difference affects a fire-rated, seismic, or structural assembly.

Deviation Check assigns a default per category and escalates or de-escalates based on the spec, always showing its reasoning. See the Division 06 severity rules.

What the PM should do

Stamp the submittal Revise and Resubmit. Mark the deviation, return the relevant spec passage as a redline, and have the sub correct and re-send before fabrication or installation.

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Frequently asked questions

How does joist or rafter spacing affect a detail mismatch finding in Division 06 Wood, Plastics, and Composites submittals?

Spacing directly changes load distribution to each member, so 24-inch o.c. submitted where the spec calls for 16-inch o.c. is a structural issue, not just a layout preference. The finding escalates to Blocker when the spacing difference affects a shear wall, fire-rated assembly, or seismic force-resisting system. The sheathing nailing schedule - nail size and spacing at panel edges and field per the shear wall schedule - must also be verified alongside spacing.

When does a preservative treatment discrepancy in a Division 06 Wood, Plastics, and Composites submittal rise to Blocker status?

When the submitted use category is wrong for the exposure condition. Ground contact requires UC4A retention; above-ground applications use UC3B per AWPA standards. Submitting UC3B where UC4A was specified means the wood will receive inadequate preservative retention for direct soil or water contact, risking premature decay. This directly affects durability and, in some assemblies, structural integrity - making it a Blocker rather than a simple resubmit.

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