Applicable Standards: ANSI/HPVA EF 2020 (Engineered Wood Flooring) | NWFA/NOFMA 2018 (Unfinished Solid Hardwood Flooring)
Inspector: _______________ | Job Address: _______________ | Inspection Date: _______________
Flooring Type: □ Engineered Wood Flooring (EWF) □ Unfinished Solid Hardwood Flooring
Certification Check: □ ANSI/HPVA EF Certified (Capital Testing/IAS ISO 17065) □ NWFA/NOFMA Graded Certified □ Self-Certified Only
Batch Info: Manufacturer _______________ | Species _______________ | Grade _______________ | Finish: □ Factory Finished □ Unfinished | Production Date (Month/Year): _______________
Part 1: Packaging & Marking Compliance Check (Mandatory per ANSI & NWFA)
表格
| Inspection Item | Compliance Requirement | Pass/Fail/NA | Notes & Defect Record |
|---|---|---|---|
| 1.1 Full Package Label Marking (Engineered Only) | Each carton marked with: Mfr name/private label, wood species, pattern, color/unfinished, plank dimensions, coverage area (sq.ft/sq.m), production month/year, TSCA Title VI formaldehyde compliance statement; ULEF/NAF resin labeling (if applicable) | ||
| 1.2 NWFA Grade Marking (Solid Only) | Bundles labeled with official NOFMA grade + species (e.g. NOFMA Select RO); back of each board stamped with mfr logo/ID | ||
| 1.3 Formaldehyde Label Compliance | TSCA Title VI mandatory labeling on all engineered flooring; optional CARB Phase 2 dual labeling if claimed | ||
| 1.4 Packaging Integrity | Packaging provides full protection against transit damage; no broken cartons, exposed planks, water stains on packaging | ||
| 1.5 Stated Coverage Area Verification | Average of 5 cartons meets labeled sq.ft; single carton underage ≤3% (per FTC 16 CFR 500.25) |
Part 2: Wood Raw Material & Species Compliance
表格
| Inspection Item | Compliance Requirement | Pass/Fail/NA | Notes & Defect Record |
|---|---|---|---|
| 2.1 Legal Timber Verification | No illegally logged lumber violating US federal/state or international timber laws (Lacey Act compliance) | ||
| 2.2 Face Veneer/Solid Species Match | Product matches labeled species; North American species reference to ANSI Table 1 (Hickory, Oak, Maple, Walnut, Cherry etc.) | ||
| 2.3 Veneer Construction (Engineered Only) | Crossband/inner veneers comply with ANSI/HPVA HP-1 grade specs; face splices color/grain matched, parallel to edges | ||
| 2.4 Core Structure (Engineered Only) | Balanced multi-ply construction (even/odd ply count allowed) to limit warping; no voids, uneven core layers | ||
| 2.5 Wear Layer Veneer Thickness | Face veneer thickness matches mfr design specification |
Part 3: Moisture Content (MC) Inspection
表格
| Inspection Item | Compliance Requirement | Pass/Fail/NA | Notes & Defect Record |
|---|---|---|---|
| 3.1 Factory Shipment MC Range (Engineered) | 5%–9% average MC at factory exit; special marking if produced for arid/high-humidity markets | ||
| 3.2 Factory Shipment MC Range (Solid NWFA) | Base MC 6%–9%; max 5% of boards allowed outside range up to 12% MC | ||
| 3.3 On-Site Equilibrium Moisture Check | Flooring MC aligned with jobsite EMC (refer ANSI Table 3 Temperature/RH Equilibrium Chart); substrate moisture recorded separately | ||
| 3.4 Test Method Validation | MC tested via ASTM D4442 (direct oven method) or ASTM D4444 (handheld meter calibration) |
Part 4: Machining Tolerance Inspection (Core ANSI Table 2 / NWFA Standard)
Defective machining boards shall not exceed 5% of total lot square footage allowance
表格
| Inspection Item | Standard Tolerance (Engineered / Solid Unfinished) | Pass/Fail/NA | Max Defect Measured Value |
|---|---|---|---|
| 4.1 Plank Width Uniformity | ±0.25 mm (0.010 in) for all products | ||
| 4.2 Overwood (Vertical Joint Offset) | Factory Finished EWF: ≤0.31 mm (0.012 in)Unfinished EWF: ≤0.38 mm (0.015 in)NWFA #1 Common+: ≤0.51 mm (0.020 in)NWFA #2 Common Solid: ≤0.76 mm (0.030 in)N/A for hand-scraped/distressed character flooring | ||
| 4.3 Crook (Sidebow) Distortion | 0.18 mm per 300mm length; absolute max 0.64 mm per piece | ||
| 4.4 End Squareness (End Alignment) | Factory Finished EWF: 0.13 mm per 25mm widthUnfinished EWF / All Solid: 0.18 mm per 25mm widthSolid >3” width: max 0.005” per inch un-square (≤5% off-grade) | ||
| 4.5 Flatness (Bow / End Lift / Twist) | Thickness ≥19.05mm (0.75”): lift ≤0.75% of plank lengthThickness <19.05mm (0.75”): lift ≤1.5% of plank length | ||
| 4.6 Thickness Uniformity Between Boards | ±0.13 mm (0.005 in) tolerance | ||
| 4.7 Tongue & Groove Fit | Non-locking profiles maintain slight friction between tongue bottom and groove lip top; tongue/groove thickness gap 0.08–0.41mm (solid standard) |
Part 5: Bond Line Integrity (Engineered Flooring Only)
表格
| Inspection Item | Compliance Requirement | Pass/Fail/NA | Notes & Defect Record |
|---|---|---|---|
| 5.1 Visual Delamination Check | No visible ply separation, bubbling or layer split on face, back or edges | ||
| 5.2 Three-Cycle Soak Test Qualification (Lab Reference) | 95% specimens pass Cycle 1; 85% pass Cycle 3Failure definition: continuous delamination >50.8mm long, >6.4mm deep, measurable with 0.08mm feeler gauge | ||
| 5.3 Monthly In-Mill Testing Record Review | Mfr provides monthly bond line test logs; semi-annual third-party lab certification records available |
Part 6: Formaldehyde Emission Compliance
表格
| Inspection Item | Compliance Requirement | Pass/Fail/NA | Notes & Defect Record |
|---|---|---|---|
| 6.1 Emission Limit Standard | Hardwood plywood substrate limit ≤0.05 ppm (CARB Phase 2 / EPA TSCA Title VI 40 CFR Part 770) | ||
| 6.2 Valid Test Methods | Testing via ASTM E1333 (Large Chamber) or equivalent ASTM D6007 Small Chamber; only decorative face exposed during testing | ||
| 6.3 Third-Party Certification Records | Semi-annual third-party lab testing reports available; IAS ISO 17065 certification body records on file | ||
| 6.4 ULEF / NAF Resin Documentation | If labeled ULEF/NAF, supporting resin formulation & emission test reports provided |
Part 7: Visual Grade & Natural Character Inspection
7.1 Engineered Flooring Face Grade
| Inspection Item | Compliance Requirement | Pass/Fail/NA | Notes & Defect Record |
|---|---|---|---|
| Face Veneer Grade Match | Appearance consistent with mfr sample boards; allowable natural characteristics (pin knots, burls, mineral streaks, vine marks) within stated grade limits | ||
| Manufacturing Defects | Excessive torn grain, ruptured grain, machine burns, open checks, discoloration limited to grade allowances only | ||
| Factory Finish Quality (Finished EWF) | Uniform gloss, consistent stain color; all bevel edges fully coated; no peeling, scratch, uneven finish coverage | ||
| Unfinished EWF Surface | Smooth sanded surface; no excessive rough grain, unplaned areas |
7.2 NWFA Solid Hardwood Grade Validation (Clear / Select / No.1 Common / No.2 Common)
| Inspection Item | Compliance Requirement | Pass/Fail/NA | Notes & Defect Record |
|---|---|---|---|
| Allowable Natural Defects | Knots, wormholes, sapwood, streaks, checks match published grade rules by species (Oak, Maple, Hickory, Walnut, Cherry, Ash, Beech, Birch) | ||
| Prohibited Critical Defects | Rot, shake, through splits, large broken loose knots, deep machine burns exceeding grade limits | ||
| Off-Grade Allowance | Max 5% of total board footage permitted below labeled grade; no full shipment mass off-grade | ||
| Average Length Compliance | Strip/plank minimum average length met per grade standard; single board minimum length ≥9” (228.6mm) |
Part 8: Installation Documentation & Warranty Review
表格
| Inspection Item | Compliance Requirement | Pass/Fail/NA | Notes & Defect Record |
|---|---|---|---|
| 8.1 Installation Instructions | Hard copy or web link to official mfr installation guide included with shipment; below-grade/above-grade installation limitations clearly stated | ||
| 8.2 Manufacturer Warranty | Full warranty document provided or available upon request | ||
| 8.3 Jobsite Pre-Install Conditions Reference | All exterior openings closed, plaster/concrete/masonry fully cured before flooring installation (per Appendix A ANSI/HPVA EF 2020) |
Part 9: Lot Non-Conformance Summary & Re-Inspection Rules
- Total out-of-tolerance machining/grade/bond line defects: ______ % of lot square footage
- □ ≤5% Allowance: Buyer accepts full shipment; buyer covers re-inspection cost
- □ >5% Non-conformance: Seller bears re-inspection cost; buyer may reject defective boards only
- Defect Category Breakdown: □ Width tolerance □ Overwood □ Crook □ Squareness □ Flatness □ Thickness variation □ Bond delamination □ Grade defects □ MC out of range □ Formaldehyde label missing □ Packaging marking incomplete
- Re-Inspection Deadline: All quality claims must be submitted within 15 days of material receipt (ANSI Appendix A3)
Part 10: Final Inspection Conclusion
□ Fully Compliant: All ANSI/HPVA EF 2020 / NWFA 2018 standards satisfied, acceptable for installation
□ Conditionally Acceptable: Minor non-conformance within 5% lot allowance; document all defects below
□ Reject Lot: Excessive non-conformance exceeding 5% tolerance or critical safety/performance failures (formaldehyde, bond line delamination, illegal timber)
Inspector Signature: ________________________
Manufacturer/Installer Representative Signature: ________________________
Date: ________________________
Annex Reference Standards (For Inspector Record)
- ANSI/HPVA EF 2020 – Engineered Wood Flooring National Standard
- NWFA/NOFMA International Standards for Unfinished Solid Wood Flooring (April 2018)
- ASTM D4442, D4444 (Moisture Content)
- ASTM E1333 / D6007 (Formaldehyde Emission Chamber Testing)
- EPA TSCA Title VI 40 CFR Part 770 & CARB 93120 ATCM
- ISO/IEC 17065 (Third-Party Product Certification Body)
- ISO/IEC 17025 (Accredited Testing Laboratory)
