1. General Inspection Information
| Item | Details |
|---|---|
| Product Name | Engineered Hardwood Flooring (Multi-layer / 3-ply) |
| Origin Country | Vietnam / Thailand / Cambodia (select applicable) |
| Export Market | USA / European Union (EU) |
| Inspection Type | Appearance QC Inspection / Internal Structure QC Inspection / Laboratory Performance Testing |
| Applicable Standards | USA: ASTM F1679, ANSI/HPVA EF 2020, CARB P2 Formaldehyde Standard, AQL 2.5 Sampling StandardEU: EN 13329, EN 14080, CE-CPR, REACH SVHC, E1 Emission Standard |
| Inspection Level | General Inspection Level II, AQL 2.5 (Dimensional & Appearance), AQL 1.0 (Critical Defects) |
| Report No. | ___________ |
| Inspection Date | ___________ |
| Inspector | ___________ |
| Batch No. | ___________ |
2. Visual & Appearance QC Inspection (On-site Factory Check)
100% preliminary visual screening + random sampling verification; comply with US/EU flooring surface grading standards, no critical visual defects allowed
| Inspection Item | Professional Specification & Acceptance Criteria | Inspection Result (PASS/FAIL/NA) | Remark |
|---|---|---|---|
| Veneer Face Grade & Consistency | Veneer face grading complies with ANSI/HPVA EF 2020 face veneer grading specification. Face veneer grain pattern and grain direction maintain batch consistency with approved master swatch. Allowable variation is limited to natural tonal difference; prohibited defects include chemical discoloration, thermal yellowing, fungal stain, water logging mark, artificial dyed veneer, grain mismatch and patch veneer splicing. Premium US/EU orders enforce zero abnormal cosmetic deviation beyond standard grading tolerance. | ||
| Surface Finishing Quality | Finish quality inspection adoptsASTM D3359 & EN 13329 standardized coating defect terminology. Prohibited finish defects include: orange peel texture, micro blister, pinhole void, longitudinal sanding scratch, polishing chatter mark, airborne dust nib inclusion, foreign particulate contamination, finish spider cracking and surface crazing. Gloss uniformity and stain penetration shall be consistent within batch; no gloss patch mottling, uneven stain penetration, overspray residue or finish thinning. Zero grain raise and rough surface after full UV curing, meeting US/EU residential and commercial grade finish performance tolerances. | ||
| Edge & End Cutting Quality | Milling edge quality controlled per ANSI/HPVA EF 2020 dimensional tolerance standard. All board ends and four-edge profiling shall be burr-free, splinter-free, without micro chipping, end split and edge checking. Bevel/chamfer depth and angle maintain batch consistency with symmetric profiling; no over-cut, under-cut or edge deformation. Overwood tolerance ≤0.31mm maximum allowable deviation; no tool milling mark and sharp edge defect. | ||
| Tongue & Groove (T&G) Profile | Precise T&G milling, tight interlocking fit, no loose joint or jamming; no breakage, deformation or dimensional offset on tongue and groove; fully compatible for floating/ glue-down installation | ||
| Surface Defect Control | All surface defect definitions, classification and acceptance tolerances strictly comply with ANSI/HPVA EF 2020 (US Engineered Hardwood Standard) and EN 13329 (EU Laminate & Engineered Flooring Standard), adopting official industry standardized defect terminology without literal translation. Critical Defects (100% Reject, AQL 1.0) per ANSI/HPVA: Open live knots, decayed knots, pinworm holes, dote/rot wood, through-face checks, severe fungal stain, water stain penetration, finish delamination, deep abrasive wear scars, sanding burn marks, embedded foreign inclusions, permanent disfigurement. Major Functional/Cosmetic Defects (Non-allowable for Premium US/EU Orders) per NWFA & EN grading: gloss mottling, chatter marks, roller streaking, dust nib agglomeration, edge chipping, end splitting, grain raise, excessive wood putty patch, tint mismatch, finish crazing, face glue squeeze-out residue. Minor Natural Defects (Allowable within AQL 2.5 Tolerance): Isolated tight dead knots, faint mineral streaks, natural grain tonal variation, negligible micro sanding lines; all minor defects shall not impair installation performance, surface integrity and service life. All visual inspections are performed under D65 6500K standard daylight inspection condition per ASTM D1729. | ||
| Color & Gloss Uniformity | Uniform color tone within single carton and whole batch; no obvious color difference between adjacent boards; gloss deviation ≤5GU, consistent with approved standard swatch | ||
| Board Flatness & Warpage | No cupping, crowning, bowing or twisting; surface flatness meets ASTM F1679 tolerance; no visible deformation after finishing process |
3. Wood Species Substrate QC Inspection & Material Verification (Core Base Material)
Specialized quality inspection for common engineered hardwood flooring substrate & face veneer wood species sourced from Vietnam, Thailand and Cambodia; compliant with US Lacey Act & EU Timber Regulation (EUTR) species verification, grading and defect control standards for American and European export orders.
| Wood Species (Common Substrate/Face) | Professional Species QC Specification & Acceptance Criteria | Inspection Result (PASS/FAIL/NA) | Remark |
| White Oak (Quercus Alba) – Premium Face/Substrate | Authentic White Oak grain texture, consistent ray fleck pattern; no mixed red oak veneer/substrate doping; no mineral stain overrun, severe ring shake or open grain defect; moisture content stabilized at 6%-9%; species origin traceable per US Lacey Act, no prohibited timber source; suitable for high-end EU & US residential/commercial projects. | ||
| Red Oak (Quercus Rubra) – Standard Grade Substrate/Face | Distinct red oak porous grain characteristics, color tone uniform light reddish-brown; no foreign wood mixing; limited minor pin knots allowed per ANSI/HPVA grading rule; no decay, insect bore holes or fiber disconnection; substrate density uniform, ensure stable lamination and finishing adhesion. | ||
| Sapele (Entandrophragma Cylindricum) – Southeast Asian Core Substrate | Widely used Vietnam/Thailand/Cambodia engineered flooring core substrate; uniform medium-density hardwood texture; no brittle wood, internal rot or irregular grain distortion; color consistent reddish-brown base tone; excellent structural stability for cross-ply lamination; compliant with EU EUTR sustainable timber requirements. | ||
| Rubberwood (Hevea Brasiliensis) – Economy Grade Core Substrate | Mainstream Southeast Asian plantation hardwood substrate; clean wood texture, no latex residual stain, mold or mildew; no dead knot cluster or fiber fracture; stable physical property, low shrinkage & expansion rate; certified plantation source, fully compliant with US & EU environmental import regulations. | ||
| Walnut (Juglans Nigra) – Luxury Face Veneer Species | Genuine walnut dark brown straight/curved grain, no dyed fake walnut substrate/veneer; no grain distortion, color mottling or patchy discoloration; strict knot & mineral defect control for premium EU/US luxury orders; complete species traceability & legal sourcing documents. | ||
| Maple (Acer Saccharum) – Light Grade Face/Substrate | Uniform creamy-white fine grain texture, no coarse grain mixed wood; no grey stain, blue stain or oxidation discoloration; stable density, excellent finishing performance; meets US residential light wood flooring grading standards, no structural loose fiber defect. | ||
| General Wood Species Compliance Verification | All substrate wood species defects and material compliance criteria are defined per US Lacey Act, EU EUTR, ANSI/HPVA EF 2020 & FSC COC Standard, using global hardwood flooring official technical terminology. Critical Reject Substrate Defects: Species misrepresentation/timber substitution, unclassified mixed inferior hardwood, counterfeit premium veneer species, protected/endangered timber incorporation, log-origin grain distortion, extensive sap stain, severe insect gallery erosion, brittle fiber structure. Major Substrate Defects (Non-compliant for Export): Excessive mineral streak aggregation, oxidative blue/grey stain, rubberwood latex residual stain, density inconsistency, variable wood hardness, batch base tonal deviation. Allowable Minor Substrate Variations: Isolated natural texture differentiation, faint non-propagating mineral lines, mild natural sapwood color variation; no negative impact on lamination bonding, finish adhesion and structural stability. All substrate materials require full traceability and legal sourcing certification per cross-border timber regulations. |
4. Internal Structure & Physical Dimension QC Inspection (On-site & Sampling Dissection Check)
Core structural inspection for Southeast Asian (VN/TH/KH) manufactured engineered flooring; strictly follow US & EU dimensional tolerance and structural stability standards
| Inspection Item | Professional Specification & Acceptance Criteria | Inspection Result (PASS/FAIL/NA) | Remark |
|---|---|---|---|
| Dimensional Tolerance (Length/Width/Thickness) | Length tolerance: ±0.5mm; Width tolerance: ±0.25mm (per ANSI/HPVA EF 2020); Thickness tolerance: ±0.3mm; Uniform dimension for full batch, no size deviation out of standard range | ||
| Multi-layer Structural Integrity | Complete 3-ply/multi-layer structure (face veneer + cross-ply core + back veneer); symmetrical layer layout, no layer missing, wrong lamination or uneven layer thickness; Southeast Asian hardwood core material compliant | ||
| Veneer Thickness Consistency | Top face veneer thickness consistent with customer specification, no thin spot or partial veneer shortage; back balancing veneer uniform thickness for structural balance | ||
| Gluing & Bonding Quality | Full surface glue penetration, no glue gap, empty bond, degumming or local poor adhesion; glue line uniform, no excessive glue overflow; meet EU/US water-resistant bonding requirement | ||
| Moisture Content (MC) | Board moisture content: 6%–10% (adapt to US/EU destination climate); consistent MC within batch, no excessive moisture difference; comply with ASTM F1679 moisture standard | ||
| Back Veneer & Balancing Layer | Complete back balancing veneer, no crack, damage or missing layer; effective balance to prevent floor warping and deformation during installation and usage | ||
| Overall Structural Stability | Internal structural defect inspection and classification fully conform to ASTM F1679 (Engineered Wood Flooring Performance) and EN 14080 (Glued Wood Structural Standard) official structural terminology.Critical Structural Defects (Full Reject): Core hollow void, interlayer delamination, discontinuous glue line, open void bonding, concealed internal checking, layer misalignment, asymmetric cross-lamination, residual processing debris, internal dote/decay. Major Latent Structural Defects: Partial starved glue bond, micro glue gap inconsistency, back veneer micro-check, unbalanced layer assembly, residual mechanical stress inducing post-installation cupping, crowning, bowing and twisting distortion (per NWFA distortion definition). Structural Compliance Benchmark: Symmetrical multi-layer cross-ply structure eliminates internal stress deviation; full uniform lamination bonding prevents layer separation, telegraphing phenomenon and long-term hygroscopic deformation under US/EU alternating temperature and humidity climate conditions. |
5. Professional Laboratory Performance Testing (Third-party & In-house Lab Test)
Mandatory lab tests for US & EU customs clearance and market access; cover physical performance, environmental protection and safety indicators
| Test Item | Test Standard & Technical Requirement | Test Result | Compliance (PASS/FAIL) |
|---|---|---|---|
| Formaldehyde Emission Test | USA: CARB Phase 2 Formaldehyde Emission Standard (≤0.05ppm)EU: EN 13986 E1 Grade (≤0.124mg/m³) | ||
| Taber Abrasion Resistance Test | EN 13329, H-18 abrasive wheel, 1000g load; AC3/AC4/AC5 grade compliant as per customer requirement; no rapid coating wear | ||
| Bonding Strength Test | ASTM F1679 & EN 14080; glue line bonding strength meets structural requirement, no layer delamination after tensile test | ||
| Water Resistance & Thickness Swelling | EN 317; low thickness swelling rate after water immersion; no degumming, blister or deformation under humid condition | ||
| Dimensional Stability (Humidity & Temperature Cycle) | ASTM F1679; stable dimension under alternating high/low temperature and humidity; no obvious expansion/shrinkage or warping | ||
| Surface Scratch Resistance | ASTM D7027; finish coating hard and scratch-resistant, meets US/EU residential & commercial usage grade | ||
| Impact Resistance Test | EN 13329; no surface crack, dent or coating damage after standard impact test | ||
| REACH SVHC Substance Test (EU Only) | EU REACH Regulation; no restricted high-concern hazardous substances, fully compliant for EU market circulation | ||
| Fire Resistance Grade | EU EN 13501-1 / US ASTM E84; meet market required fire classification | ||
| Anti-slip Performance Test | EN 13893; dynamic friction coefficient compliant with residential and commercial flooring safety standards | ||
| FSC Forest Certification Compliance Inspection (Premium EU & US Order Mandatory) | Standard Basis: FSC COC (Chain of Custody) Certification, EU 2017/176 Sustainable Timber Regulation, US Green Building StandardCore Inspection Criteria:1. Valid FSC certificate & certified COC number match production batch, no expired or falsified certification documents;2. Raw wood materials sourced from FSC-certified responsibly managed forests (Vietnam/Thailand/Cambodia origin), no illegal logged timber, endangered tree species or conflict timber;3. Accurate material proportion control: FSC-certified wood material ratio meets minimum 70% sustainable material threshold for EU premium market access;4. Complete production traceability system, including raw material incoming inspection records, production process separation, finished product batch tracking and shipment record filing;5. Standardized FSC labeling & logo usage on carton, pallet and product documents, compliant with FSC trademark specification, no unauthorized printing or misuse;6. Factory FSC management system fully implemented, with complete internal audit and continuous improvement records |
6. Packaging & Shipment QC Inspection (Export Standard)
| Inspection Item | Acceptance Criteria | Result | Remark |
|---|---|---|---|
| Carton Packaging | Standard export carton with inner protection foam; no board collision, scratch or damage during packaging; fixed quantity per carton | ||
| Labeling Compliance | Clear batch No., origin mark (Vietnam/Thailand/Cambodia), size, grade, certification logo (CARB P2/CE/FSC), moisture content label, meet US/EU labeling regulations | ||
| Pallet Packing & Sealing | Standard fumigation-free export pallet; tight wrapping, moisture-proof & dust-proof; suitable for long-distance ocean transportation to US & EU |
7. Final Inspection Conclusion
After completion of wood species substrate verification, appearance visual inspection, internal structural inspection and professional laboratory performance testing, the inspected batch of engineered hardwood flooring (Origin: VN/TH/KH, Export to USA/EU) fully complies with ASTM, ANSI, CARB, EN, CE-CPR, REACH, Lacey Act and EUTR relevant standards and customer technical requirements.
Final Verdict: □ PASS (Accept for shipment) □ FAIL (Reject & rework)
Defect Summary & Corrective Action: ___________________________
Inspector Signature: ______________ Date: ______________
QA Manager Approval: ______________ Date: ______________
