(For USA Market | Hotel & Commercial Project Standard)
Applicable Standards: U.S. Building Code, NFPA 80, ASTM, CARB P2, EPA TSCA Title VI
Applicable Products: Unit Entry Doors, Communicating Doors, Public Area Doors, SPA Doors, Guestroom Interior Doors
1. Packaging & Labeling (Before Uncrating)
- Outer packaging intact, waterproof, shock‑resistant, and marked with FRAGILE, THIS SIDE UP
- Labels clear: door type, swing direction, fire rating, finish, handedness
- Protective film, edge protection, and corner guards fully installed
- Export packaging meets ISPM 15 heat treatment requirements
- No damage, deformation, or moisture during transit
2. Material Compliance
- Door materials match approved specification: solid wood veneer, MDF, fire‑rated core
- Wood species, veneer grade, and book‑matched pattern consistent
- Edge banding fully bonded, no gaps, bubbles, or peeling
- Frame materials: fire‑rated plywood, finger‑joint pine as required
- All materials meet U.S. formaldehyde emission regulations
3. Dimensional Accuracy
Door Leaf
- Net width and height within tolerance per design standard
- Thickness: 1–3/4” (±1/32”)
- Flatness: warpage ≤ 1/8” over full length
- Squareness: diagonal difference ≤ 1/16”
- V‑groove: 3 vertical + 1 horizontal, 3/32” deep × 1/4” wide, clean and uniform
- Standard 3° bevel on both sides, no sharp edges
Frame & Casing
- Finished opening size: 3’‑0” × 8’‑0”
- Jamb depth matches wall condition requirements
- Casing: square profile, 2” × 1/2”, mitered at 45° on top
- All components fit field assembly without modification
4. Fire Rating Certification (Critical for U.S. Market)
- Permanent fire‑rating label correctly affixed
- Fire rating: 20min / 45min / 90min as designated
- Intumescent seals properly installed, undamaged
- No unauthorized drilling or modification that impairs fire rating
- All fire‑rated components complete and compliant
5. Hardware Machining Preparation
Hinge Prep
- 4 hinges per door, 4–1/2” square hinge prep
- Hinge backset: 1/4”
- Mortises clean, flat, tear‑out free, tight‑fitting
- Hinge thickness and template matched to hardware requirement
Lock Prep
- Lock backset: 2–3/4”
- Mortise lock, cylindrical lock, or hotel card lock prep accurate
- Through holes and blind holes machined per standard template
- Dust box and strike prep completed
Additional Hardware
- Door viewer hole properly drilled
- Auto door bottom machining completed
- Flush bolt prep for double doors
- Concealed overhead holder & door stop prep for applicable doors
- Exit device prep for public area doors
6. Surface & Finish Quality
- Unfinished doors: sanded smooth, ready for field finishing
- Primed doors: uniform water‑based white primer, no runs, sags, or bare areas
- No cracks, knots, splits, dents, scratches, or stains
- No glue marks, burn marks, or color variation
- Core fully enclosed, no exposed material
7. Swing Direction & Handing Verification
- Handing confirmed: LH, RH, LHR, RHR, RHRA
- Inswing / outswing marked correctly
- Hinge side and lock side machined accurately
- Double active/inactive doors clearly identified
8. Frame‑Door Compatibility
- Frame hinge and strike prep match door hardware
- Alignment between door and frame preps precise
- Casing length and fit meet installation standard
- Fire‑rated frame components complete
9. U.S. Market Special Requirements
- All dimensions in imperial units (feet/inches)
- Hotel electronic lock prep fully compatible with U.S. standard systems
- All machining follows standard U.S. architectural templates
- Safety edges: all sharp corners eased
- Complete compliance documents included: test reports, fire certificates, material reports
10. Final Functional & Visual Inspection
- Door opens/closes smoothly without binding
- All hardware prep fits standard U.S. hardware
- No visible defects on faces, edges, or ends
- Quantity matches packing list
- Overall quality passes final audit
