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Exterior WPC Cladding Specification & Submittal Checklist
Use this checklist when evaluating exterior WPC cladding for architectural specifications, submittals, procurement, and installation coordination.
1. Product & Profile
- Exact product/profile name
- Fluted, shiplap, or other profile type
- Panel dimensions
- Finish/color
- Installation orientation
- Compatible trims/accessories
2. Wall Assembly Coordination
- Sheathing/substrate
- Water-resistive barrier
- Furring or rainscreen cavity
- Drainage path
- Ventilation strategy
- Clearances and terminations
3. Openings & Transitions
- Window head/jamb/sill details
- Door-opening details
- Inside/outside corners
- Penetrations
- Transitions to masonry, stucco, metal, stone, fiber cement, roofing, or soffits
4. Attachment & Movement
- Fastener/clip type
- Fastener spacing
- Movement/expansion requirements
- Joint conditions
- End gaps/termination details
5. Performance Documentation
If the project requires fire, wind, weathering, UV, structural, code, or other performance documentation, request the exact current report applicable to the selected wall-cladding profile. Do not transfer decking or unrelated-profile test results.
6. Samples & Mockups
- Finish sample approved
- Trim sample approved where relevant
- Mockup required or waived
- Joint/alignment/termination appearance reviewed
7. Final Submittal Package
- Product data
- Installation instructions
- Profile/trim drawings
- Finish/sample approval
- Required test reports
- Project-specific details
Related resources: WPC Technical Resources | Installation Guide | Openings & Terminations





