Before production
Agree the face, core, bond, dimensions and tolerances, plus any sample or drawing reference. Tell us which characteristics matter most for your application.
See what to specifyPLYWOOD QUALITY GUIDEDIMENSIONS · SURFACE · SAMPLING · TESTSINSPECTION BEFORE SHIPMENT
Plywood Quality Checks Before Shipment
Order plywood with the finish, dimensions and construction your workshop or project needs. At our CUZI PLY factory, we agree the quality requirements with you before production and check the finished lot against that specification. Learn which checks protect machining fit, appearance and repeat supply, and ask us about the inspection records or independent testing you need before shipment.
- Panel checks
- Face, core, size, thickness, moisture and finish
- Sampling
- Defined lot, selected units and defect classes
- Test records
- Named methods, specimens and actual results
- Shipment decision
- Documented reinspection or accepted lot
How our factory checks your plywood order.
Our factory checks dimensions, thickness, moisture, appearance and construction against the agreed specification. Before production, we confirm the inspection scope and records for your order, including which checks cover every panel, lot samples or test specimens.
During production & final inspection
Material and process checks are followed by inspection of the finished lot. We confirm whether each required check covers every panel, a selected sample or test specimens.
See the panel checksWhen independent testing is needed
Tell us before ordering if you require a laboratory report or third-party inspection. The test method, sample, report scope and inspection arrangements are agreed for the selected product.
Review test and report requirementsIf a check needs corrective work
Affected material is identified and separated. Corrective work and reinspection follow the agreed criteria; any proposed change to those criteria needs the named buyer or approver’s agreement.
See how findings are handledTell us the plywood or application, sizes, thickness, quantity and destination. Add an inspection checklist or required report format if available; our factory team helps agree the checks before production.
Plan quality checks with our factoryDetailed inspection questions
What should a plywood quality inspection cover?
Check face and back grade, core construction, finished dimensions, thickness variation, squareness, flatness, moisture and relevant bond or surface properties against the ordered specification. Record the lot, sample locations, readings, defects and final decision.
Send the current specification, approved sample and quantity to define the inspection plan.
How do first production sample, in-process and final-lot checks differ?
A first production sample confirms the reference construction; in-process checks monitor defined controls; final-lot checks apply the inspection and acceptance plan to finished goods.
Name the timing, approval checkpoints and change trigger for each stage.
When should inspection be 100 percent rather than sampled?
Use full inspection where the ordered characteristic, risk, economics or buyer plan requires every unit to be checked; use sampling only under a documented lot and decision rule.
Classify each characteristic as full, sampled or specimen-based.
What does AQL mean for a plywood order?
AQL is an index used to select an attribute-sampling scheme for continuing lot inspection, not a universal allowance or promise about defect percentage.
Record the current standard edition and exact plan chosen for the order.
How are thickness, size, squareness and flatness checked?
Measure thickness at agreed edge and field positions with a verified gauge; record length and width along specified edges, and squareness and straightness by the nominated method. Check bow or twist on agreed supports after conditioning, then compare each recorded result with the order tolerance.
State the panel positions, support method and accepted limits in the inspection brief.
When is a laboratory or third-party inspector needed?
Use one when a regulation, product standard, buyer procedure, risk level or independent witness requirement calls for it.
Confirm method, specimen, lot, scope, report issuer and final approver.
What belongs in an inspection report and document pack?
Include the purchase specification and sample reference, production lot and sample selection, individual readings and photographs, defect counts by class, named test reports, treatment of any rejected material, acceptance decision and pack identifiers. Keep the report number and issuer with each external test or certificate.
Agree report format and retention period with the order.
What happens when a lot misses the criteria?
Identify and isolate it, document the nonconformity and affected scope, confirm who may decide the corrective action, then rework/reselect if permitted and reinspect or retest before accepting the batch.
Keep the affected batch identified until replacement, rejection or an authorised acceptance decision resolves the issue.
Independent inspection and plywood test reports.
The ECQA report records a previous birch plywood inspection; the SGS and Intertek reports describe the panels tested. Review the recorded checks and results when choosing your plywood. For your own shipment, we agree the inspection scope, lot identification and required records with you.
ECQA · PRE-SHIPMENT INSPECTION
Birch Plywood Inspection Report
Review the sheet dimensions, diagonal checks, moisture readings, workmanship, quantities and export packing recorded during this birch plywood inspection.
- Inspected panels
- 100% birch · 1250×2500 mm · 21, 24 and 30 mm
- Inspection date
- 11 March 2025
SGS · MARINE PLYWOOD TESTING
Marine Plywood BS 1088 Test Report
Review veneer construction, manufacturing defects, dimensions, moisture, bonding quality and density for the marine plywood tested to BS 1088-1:2003.
- Tested panel
- 1220×2440×18 mm
- Issue date
- 5 July 2025
INTERTEK · FIRE-PROPAGATION TEST
Fire-Retardant Plywood Test Report
Review the fire-propagation test results for 18 mm fire-retardant plywood tested to BS 476-6:1989+A1:2009.
- Tested thickness
- 18 mm
- Issue date
- 19 January 2026
Agree the product, lot and acceptance limits before checking panels.
| What to specify | Inspection decision | Report entry |
|---|---|---|
| Product, application and destination | Which checks, tests and documents apply | Approved inspection brief |
| Approved specification revision | Which measurable criteria control | Controlled specification copy |
| Lot and quantity | What forms one homogeneous inspection lot | Lot-definition record |
| Approved sample or drawing | Which appearance or dimensional reference has been agreed | Reference identity and approval |
| Defect classes | What is critical, major or minor | Defect catalogue |
| Dimensions and tolerances | Which points, tools and limits apply | Measurement plan |
| Appearance, workmanship and construction | Which visible and destructive checks apply | Check sheet and sample plan |
| Moisture and density | Which method, specimen and target apply | Physical-test plan |
| Bond, emission, structural, surface or treatment tests | Which methods, specimens and reports apply | Test matrix |
| Sampling, level and AQL/LQ basis | Whether full, lot-by-lot or isolated-lot inspection applies | Sampling plan |
| Report and record retention | Which records accompany the order or remain retrievable | Document register |
| Acceptance contact and approved deviations | Who may accept, reject or approve a deviation | Approval matrix |
From approved sample to final lot decision.
- 01
Confirm specification
- What is needed
- Buyer brief and current revision
- What happens
- Convert requirements into measurable checks
- Ready when
- No sampling before criteria approval
- Record
- Controlled inspection plan
- Checked by
- Buyer quality lead + CUZI PLY quality lead
- 02
Define lot and unit
- What is needed
- Production batch, quantity and construction
- What happens
- Define one homogeneous lot and inspection unit
- Ready when
- Separate panels of different construction or batches
- Record
- Lot-definition record
- Checked by
- CUZI PLY quality lead
- 03
Approve first production sample / reference
- What is needed
- Sample, drawing and planned construction
- What happens
- Confirm comparison reference and changes
- Ready when
- Production begins after the required approvals
- Record
- Approved reference file
- Checked by
- Buyer-named approver
- 04
Choose full or sampled inspection
- What is needed
- Risk, lot, history and buyer procedure
- What happens
- Name inspection type, level and decision rule
- Ready when
- Agree the sampling plan before selection
- Record
- Sampling instruction
- Checked by
- Buyer quality lead
- 05
Inspect appearance, construction and dimensions
- What is needed
- Selected units and approved criteria
- What happens
- Observe, measure and tally defects
- Ready when
- Nonconforming units isolated
- Record
- Inspection record
- Checked by
- Inspector
- 06
Select specimens and tests
- What is needed
- Lot-linked samples and test methods
- What happens
- Prepare, identify and send or test specimens
- Ready when
- Confirm method and specimen identity
- Record
- Test/report references
- Checked by
- Laboratory or trained tester
- 07
Corrective work and reinspection
- What is needed
- Defect tally and test results
- What happens
- Classify, contain, decide scope and recheck
- Ready when
- Do not change the agreed acceptance limits without buyer approval
- Record
- Resolved or unresolved inspection finding
- Checked by
- Named acceptance contact
- 08
Confirm the inspected batch for shipment
- What is needed
- Accepted lot and complete records
- What happens
- Record the decision and compile the reports
- Ready when
- Packing receives the identified accepted lot
- Record
- inspection report and shipment documents
- Checked by
- final acceptance contact
Tie every reading to a position, instrument, condition and lot.
Measure finished thickness at the agreed panel positions and compare the readings with your order tolerance. Keep the measurement positions, instrument identity and inspection conditions with the batch record so fitted parts and repeat orders can be checked on the same basis.
Plywood quality control: measure what matters to your parts.
For your plywood quality inspection, agree finished dimensions, thickness variation, moisture, bond requirement and visible-face limits before production. Record individual readings, the selected panels and the acceptance criteria—not only a pass/fail statement. Machining fit and assembly trials are additional checks when your parts need them.
| Property | What is measured | Method or tool | Panel positions | Agreed limit | Report entry |
|---|---|---|---|---|---|
| Length | Finished panel length | Named tape or dimensional method | Defined edges and lot sample | Order tolerance or named standard | Individual readings |
| Width | Finished panel width | Named tape or dimensional method | Defined edges and lot sample | Order tolerance or named standard | Individual readings |
| Thickness points | Thickness distribution | Verified digital thickness gauge | Corners, edges and field positions defined in plan | Order tolerance or test method | Point map and readings |
| Within-panel thickness variation | Difference among measured positions | Same instrument and controlled positions | One panel position map | Buyer criterion | Calculated spread |
| Squareness | Diagonal or prescribed method | EN 324-2 family or buyer method | Selected finished panels | Order tolerance | Measurement sheet |
| Edge straightness | Reference-edge deviation | EN 324-2 family or buyer method | Long and short edges | Order tolerance | Deviation record |
| Flatness, bow and twist | Panel geometry at inspection condition | Approved support/reference method | Defined faces and orientations | Buyer criterion | Geometry observation |
| Moisture | Moisture content of the selected construction | Named reference or correlated screening method | Defined panels and locations | Order or product requirement | Method and result record |
| Density or panel mass | Mass-to-volume or declared panel mass | Named balance and dimension method | Defined specimens or whole panels | Product or order target | Mass, dimensions and calculation |
| Surface calibration or roughness | Surface readiness or thickness calibration | Approved reference, gauge or roughness method | Face positions agreed by use | Approved sample/order | Observation/readings |
| Groove or profile | Machined geometry | Drawing-based gauge or measurement | Start, centre, end and critical features | Approved drawing | Feature record |
| Drilling or cut geometry | Hole, slot and cut dimensions | Drawing-based measurement | Critical features and sample units | Approved drawing | Feature record |
| Oversize measurement | Long/wide panel geometry | Supported calibrated layout | Fully supported panel positions | Order tolerance | Oversize measurement record |
| Equipment and environment | Instrument identity and inspection condition | Status check before use | Every applicable station | Control plan | Tool ID, status and condition |
Compare the face with the sample and inspect the core at selected edges.
Check face quality against the agreed finish and defect limits. Inspect selected cut edges for veneer sequence, gaps and overlaps where machining, exposed edges or fixing quality matter.
Check plywood defects against the finish and machining you need.
A mark on a concealed face, a gap at a fixing point and damage on a visible cabinet front have different consequences. Agree which faces and features matter, permitted repairs and defect limits. Record the location and extent of each finding before deciding whether corrective work or further testing is needed.
Core gaps & veneer overlap
Plywood core inspection checks the veneer sequence, ply count, gaps and overlaps at selected cut edges or sectioned panels. A veneer overlap can create a local thickness or surface irregularity; a gap may affect an exposed edge, routed feature or fixing position. Agree where to inspect and the permitted extent for your construction. One clean edge does not establish that the whole panel is void-free.
Knots, patches & face repairs
Compare the face and back separately with the ordered grade and finish reference. Record knot size, open splits, plugs, patches and repairs by type, number and location. Judge visible parts after the intended coating or finish trial where necessary; an accepted face repair does not establish bond or core quality.
Sanding defects & finish readiness
Check for sanding-through, uneven sanding, scratches, rough areas and local thickness variation. Compare both faces under consistent lighting and measure suspect areas. Agree the surface needed for paint, veneer or lamination, and check the actual finish or joint rather than assuming extra sanding will correct every defect.
Warping, bow & twist
Plywood warping causes can include uneven moisture exposure, conditioning, veneer balance and unsupported storage. Record the panel condition, support arrangement and deviation by the agreed method. Review production and storage history before assigning a cause; a bent sheet alone does not identify it. Keep panels protected and supported while the finding is investigated.
Blisters & delamination
Plywood blister defects are raised areas that need closer assessment; delamination means separation between layers. Mark the affected area, retain its batch identity and review bonding, moisture and pressing records with the required test results. Keep suspect panels separate. Visual appearance or a tap check alone cannot establish the bond class or the cause of separation.
Record, correct & recheck
Keep photographs with a scale, measurements, panel positions and the agreed defect class. Check whether similar findings affect other units in the lot. Corrective work, replacement and reinspection follow the agreed criteria; any proposed change to your specification requires your agreement.
Review the corrective-work stepsDetailed face and core inspection checklist
| Property | How to inspect | Compare with | Report entry |
|---|---|---|---|
| Face grade | Visual against named grade/reference | Confirm face identity and allowed features | Face tally |
| Back grade | Visual against named grade/reference | Confirm back identity and limits | Back tally |
| Colour, grain and reference | Visual comparison under agreed condition | Compare to approved range/sample | Comparison record |
| Repairs, plugs and patches | Visual and dimensional where specified | Count/type/location against criteria | Defect tally |
| Splits, open defects and damage | Visual plus measurement where needed | Classify extent and severity | Defect tally |
| Core gaps and overlaps | Edge review or destructive sample | Compare internal construction with rule | Sample record |
| Ply count and veneer thickness | Edge count or destructive specimen | Confirm named construction | Specimen record |
| Lay-up and grain orientation | Edge/specimen plus production record | Check ply sequence and grain direction | Construction record |
| Blister or delamination indication | Visual/tap/defined follow-up | Identify indication and escalate | nonconformity report or follow-up record |
| Glue bleed or telegraphing | Visual against approved surface sample | Classify face effect | Surface tally |
| Overlay defects | Visual and overlay-specific checks | Record pinholes, contamination, damage or texture variation | Overlay tally |
| Factory edge seal | Visual coverage/continuity check | Confirm ordered edge treatment identity | Edge record |
| Treatment, machining and marking identity | Visual/document match | Confirm nominated branch and lot identity | Identity check |
| Cleanliness, handling damage and segregation | Visual and lot check | Keep accepted units protected and identifiable | accepted quantity |
Choose full inspection, lot sampling or specific test specimens.
For continuing lot-by-lot attribute sampling, ISO 2859-1:2026 provides AQL-indexed plans. Isolated lots can use a separately selected procedure. Name the inspection level, defect classes and accept/reject numbers in the order.
Lot definition
What units share construction and production identity?
- Plan
- Define the homogeneous lot before drawing samples
- Record
- Lot register
Inspection unit
What is counted: sheet, pack, specimen or characteristic?
- Plan
- Name the unit for every decision
- Record
- Inspection plan
Defect classification
Which findings are critical, major or minor?
- Plan
- Use buyer-approved definitions with examples
- Record
- Defect catalogue
Inspection type and stage
first production sample, in-process, final lot or pre-shipment?
- Plan
- Identify timing and approval checkpoints
- Record
- Inspection schedule
Inspection level
Which standard/buyer level applies?
- Plan
- Select from named procedure and risk history
- Record
- Sampling instruction
Sample-size code
How is sample size derived?
- Plan
- Derive from lot, level and chosen standard edition
- Record
- Sampling worksheet
AQL, LQ or buyer basis
Is this continuing lot inspection, isolated lot or a buyer plan?
- Plan
- Use ISO 2859-1:2026, ISO 2859-2:2020 or the agreed buyer plan as applicable
- Record
- Plan reference
Sample selection
How are units chosen without convenience bias?
- Plan
- Document random/systematic selection and witness
- Record
- Selection record
Accept/reject rule
What counts lead to which decision?
- Plan
- Confirm accept/reject numbers and defect-class treatment
- Record
- Decision sheet
Switching, reinspection or isolated lot
What follows history or initial rejection?
- Plan
- Use the chosen standard/buyer procedure and agreed procedure for nonconforming panels
- Record
- Disposition record
Keep specimen identity, preparation and result responsibility attached to the lot.
Use the specified conditioning and test method to assess the ordered bond requirement. Match each result to the plywood construction and lot so you can review the relevant report before shipment.
Choose the plywood documents your buyer or project needs.
Tell our factory the product, destination, intended use and required documents before ordering. We confirm the applicable document set, any additional testing, costs and timing with your quotation. Product information, safety guidance, performance declarations and batch results answer different questions.
Technical data sheet (TDS)
A plywood technical data sheet describes the selected construction, dimensions, properties and intended uses. Check the document revision, test methods and whether values are declared, typical or measured. Use it to compare products; it is not a result sheet for every production lot.
Safety data sheet (SDS)
A plywood safety data sheet or applicable safe-use information covers handling, machining dust, storage and relevant treatment or coating hazards. Agree what your destination and workplace require for the supplied product. Safety information is not a structural, emission or fire-performance approval.
Declaration of performance (DoP)
A plywood declaration of performance identifies the product type, intended construction use, applicable technical specification and declared characteristics where required. Match the declaration and marking to the selected product and your project requirements. It does not mean that every use or every characteristic is approved.
Certificate of analysis (CoA) & test reports
If your order requires a plywood certificate of analysis, agree the properties, methods, limits, issuer and report format. Identify the batch and tested units, with actual results and dates. Confirm whether the document is a factory batch report or an independent laboratory report; those are different arrangements.
A certificate shown on a website is not an inspection result for your shipment. Review the relevant product documents and their scope with our factory. See product standards and certifications. Read the ECHA guidance on safety information and the European Commission guidance on performance declarations when relevant to your order.
Need a finished panel for your machining or finish trial? We confirm the construction, availability and sample and courier costs before dispatch.
Match each test to its specimen, method, result and purchase requirement.
| Test or document | When it applies | Specimen or panel | Result record |
|---|---|---|---|
| Dimensions | Named size/tolerance requirement | Finished panels | Point readings and disposition |
| Squareness / straightness | Drawing or panel standard | Finished panels | Geometry record |
| Moisture | Product, process or destination requirement | Named panels/specimens | Method, condition and results |
| Density / mass | Construction or panel-weight requirement | Specimens or whole panels | Mass, volume and calculation |
| Appearance | Grade/reference requirement | Faces, backs and edges | Defect tally |
| Bonding | Named bond/use requirement | Lot-linked specimens | Method, requirement and results |
| Emission | Market, buyer or project requirement | Exact construction specimens | Method, report and tested construction |
| Structural | Declared-property or grade requirement | Sampling/specimens required by programme | Report and programme records |
| Overlay / surface | Film, laminate, coating or appearance trigger | Face specimens/panels | Surface results/reference |
| Slip | Anti-slip duty and declared method | Patterned face specimens | Report and conditioning scope |
| Fire | Project/product fire trigger | Exact treated/finished assembly specimens | Test/classification report |
| Treatment | Preservative or other treatment requirement | Treated batch/specimens | Retention, penetration or treatment records |
| Product / market certification | Named standard, market or marking trigger | Exact product and scope | Certificate, licence, mark and scope |
| Third-party / accredited laboratory | Independent inspection or regulated test requirement | Selected units/specimens | Inspection or laboratory report |
Separate affected material, decide corrective work and reinspect.
Identify
Describe finding against the exact criterion
- Lot status
- Hold affected unit/lot
- Record
- Observation, photo or reading
- Buyer decision
- Critical/major/minor rule
- Next step
- Isolate
Isolate
Segregate and identify affected scope
- Lot status
- Blocked
- Record
- Hold label and location
- Buyer decision
- Risk of mix or shipment
- Next step
- Record
Record
Record the affected batch, panels and requirement
- Lot status
- Blocked
- Record
- nonconformity report and defect tally
- Buyer decision
- Buyer notification rule
- Next step
- Classify
Classify
Determine severity and affected scope
- Lot status
- Blocked or conditional
- Record
- Classification rationale
- Buyer decision
- Critical or agreed escalation
- Next step
- Review cause/scope
Review cause and scope
Trace changes and related lots through production records
- Lot status
- Blocked pending decision
- Record
- Investigation record
- Buyer decision
- Potential broader exposure
- Next step
- Disposition
Rework or reselect if permitted
Apply the approved corrective action
- Lot status
- Quarantined work-in-progress
- Record
- Rework/reselection record
- Buyer decision
- Buyer approval where required
- Next step
- Reinspect
Reinspect or retest
Apply the approved follow-up plan
- Lot status
- Pending
- Record
- New results linked to the original inspection finding
- Buyer decision
- Rule for replacement sample or test
- Next step
- Disposition decision
Concession, reject or replace
Document accepted deviation or final rejection/replacement
- Lot status
- accepted under an approved deviation or rejected
- Record
- Signed decision and document register
- Buyer decision
- Buyer controls any relaxed criterion
- Next step
- Close and label
Match inspected panels to the pack labels and report.
The pack tag, accepted lot and inspection report refer to the same panels before loading.
Connect the approved specification to panels, samples and finished packs.
Buyer specification revision
Controlled document and date
Approved copy · Defines criteriaApproved sample / drawing
Reference ID and approval
Reference register · Defines comparisonMaterial, supplier and lot
Incoming identity
Material/lot file · Connects inputsProduction batch
Batch and process records
Production inspection record · Identifies the panels to inspectInspection lot
Homogeneous units and quantity
Lot register · Defines which panels are coveredSample selection
Unit, pack and position
Selection record · Shows representativenessTool, method and condition
Tool ID/status, method, environment
Inspection worksheet · Makes results reproducibleResults and defect tally
Readings/findings by unit
Result sheet · Supports the acceptance decisionSpecimen, laboratory or inspector
Specimen ID and issuer
Chain/report reference · Identifies the report issuernonconformity report, reinspection and concession
Original finding through disposition
nonconformity report file · Records approved deviationsfinal acceptance contact
Name, role, date and status
acceptance decision · Authorizes packingShipment document register
File list and retention
Pack index · Connects accepted panels to packing and export
Change the inspection emphasis when the product, use, destination or document responsibility changes.
| Product or market requirement | Inspection focus | Checks | Supporting documents | Relevant page |
|---|---|---|---|---|
| Furniture and commercial panels | Machining consistency, face/back grade, core reveal and repeat lots | Dimensions, calibration, appearance, edge construction | Approved sample, tally and lot file | Open relevant page ↗ |
| Film-faced and formwork | Overlay, edges, panel geometry and formwork requirements | Film defects, edge seal, thickness, dimensions | Product report plus formwork project inputs | Open relevant page ↗ |
| Structural plywood | Declared construction and programme scope | Workmanship, dimensions, specimens and marking authority | Programme documents matched to the lot | Open relevant page ↗ |
| Marine and exterior | Veneer, core and bond construction | Construction sample, bond test, dimensions | Marine specification and lot report | Open relevant page ↗ |
| Laser and precision | Core consistency and cut-ready geometry | Thickness, flatness, void indicators, cutting trial | Lot record and processor trial | Open relevant page ↗ |
| Anti-slip | Pattern, reverse face and specified wear/slip tests | Surface identity, thickness, damage | Test method and report for the selected face | Open relevant page ↗ |
| Fire-retardant finished panels | Treatment, finished construction and specimen identity | Lot identity, moisture, construction and report match | Project fire test and classification report | Open relevant page ↗ |
| Pressure-treated | Treatment batch and construction identity | Treatment records, dimensions, moisture and damage | Treatment specification and destination file | Open relevant page ↗ |
| Packing panel components | Panel quality for crates and cut components | Dimensions, construction, workmanship and pack segregation | Panel lot and cut-component records | Open relevant page ↗ |
| Europe / EN standards | Named EN methods, requirements and product scope | Method-specific sampling and records | Current standard edition and matching reports | Open relevant page ↗ |
| Australia / AS-NZS standards | Project and importer-nominated standard | Construction, dimensions and certification scope | Current project and import documents | Open relevant page ↗ |
| North America / PS 1 | Named product standard and marking/certification programme | Workmanship, dimensions, tests and trace | Programme and destination documents | Open relevant page ↗ |
Select the current method for the property and inspection plan.
Lot-by-lot sampling
AQL-indexed sampling plans for continuing inspection of defined lots.
ISO 2859-1:2026, Edition 3 ↗Panel tolerances
Dimensional tolerance reference for a specified plywood product.
BS EN 315:2000 ↗Moisture content
Reference method for measuring moisture in wood-based panels.
BS EN 322:1993 ↗Bond testing
Test methods for plywood bond quality; compare results with the ordered requirement.
BS EN 314-1:2004 ↗ISO 2859-1:2026, Edition 3Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspectionInternational
Lot-by-lot attribute sampling schemes indexed by AQL and the identity of the current edition.
Open official source ↗ISO 2859-2:2020, Edition 2Sampling procedures for inspection by attributes — Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspectionInternational
LQ-indexed sampling plans for isolated-lot inspection where switching rules do not apply.
Open official source ↗BS EN 326-1:1994Wood-based panels — Sampling, cutting and inspection — Sampling and cutting of test pieces and expression of test resultsEurope / United Kingdom adoption
Sampling and cutting of test pieces and expression of results for wood-based panels.
Open official source ↗BS EN 326-2:2010+A1:2014Wood-based panels — Sampling, cutting and inspection — Initial type testing and factory production controlEurope / United Kingdom adoption
Initial type testing and factory production control scope for wood-based panels.
Open official source ↗BS EN 326-3:2003Wood-based panels — Sampling, cutting and inspection — Inspection of an isolated lot of panelsEurope / United Kingdom adoption
Inspection of an isolated consignment of wood-based panels.
Open official source ↗BS EN 315:2000Plywood — Tolerances for dimensionsEurope / United Kingdom adoption
Identity and scope of the plywood dimensional-tolerance standard.
Open official source ↗BS EN 324-1:1993Wood-based panels — Determination of dimensions of boards — Determination of thickness, width and lengthEurope / United Kingdom adoption
Measurement-method identity for panel thickness, width and length.
Open official source ↗BS EN 324-2:1993Wood-based panels — Determination of dimensions of boards — Determination of squareness and edge straightnessEurope / United Kingdom adoption
Measurement-method identity for panel squareness and edge straightness.
Open official source ↗BS EN 322:1993Wood-based panels — Determination of moisture contentEurope / United Kingdom adoption
Reference-method identity for moisture content of wood-based panels.
Open official source ↗BS EN 323:1993Wood-based panels — Determination of densityEurope / United Kingdom adoption
Reference-method identity for density of wood-based panels.
Open official source ↗BS EN 314-1:2004Plywood — Bonding quality — Part 1: Test methodsEurope / United Kingdom adoption
Bonding-quality test-method identity.
Open official source ↗BS EN 314-2:1993Plywood — Bonding quality — Part 2: RequirementsEurope / United Kingdom adoption
Bonding-quality requirement identity for the applicable plywood scope.
Open official source ↗BS EN 636:2012+A1:2015Plywood — SpecificationsEurope / United Kingdom adoption
Plywood product and use-class specification framework.
Open official source ↗ISO/IEC 17025:2017, Edition 3General requirements for the competence of testing and calibration laboratoriesInternational
Competence framework for testing and calibration laboratories.
Open official source ↗PS 1-22Voluntary Product Standard PS 1-22 — Structural PlywoodUnited States
Structural plywood construction, workmanship, dimensions, moisture, testing, certification and marking framework within its scope.
Open official source ↗JAS 0233:2026 official file setJapanese Agricultural Standard for PlywoodJapan
Current Japanese plywood standard identity, general requirements and linked test-method framework.
Open official source ↗AS/NZS 2269.0:2012 Amd 1:2015Structural plywood — Part 0: SpecificationsAustralia and New Zealand
Structural plywood specification identity for Australia/New Zealand projects.
Open official source ↗Inspection planning for furniture, formwork and structural plywood.
Furniture repeat-order lot
Buyer BriefCabinet components from a controlled construction and finish-ready reference
LotOne identified repeat-order production batch with unchanged approved inputs
InspectionFirst-off reference check, sampled dimensions/appearance and lot segregation
SamplingBuyer plan for critical machining and cosmetic characteristics
Inspection and shipment documentsLot identity, readings, tally, nonconformity report status and approved acceptance decision
Additional inspection details
Methods and reportsMeasurement map, approved sample, defect tally and change record
Inspection timingbefore machining and before pack next steps
Project detailsConfirm hardware, CNC and emission documents and test results with the buyer
Film-faced / formwork lot
Buyer BriefPanels for a named pour surface and site cycle
LotOne overlay/core/bond/edge construction and size mix
InspectionOverlay, edge seal, panel geometry and damage checks
SamplingFull checks for nominated visual characteristics plus named sampled tests
Inspection and shipment documentsAccepted lot, corrective-work records and report list
Additional inspection details
Methods and reportsProduct criteria, dimension sheet and exact bond/surface reports
Inspection timingAfter finishing, after any rework and before packing checks
Project detailsInclude the intended supports, ties, release agent and reuse cycle in the project specification
Structural or regulated-market lot
Buyer BriefExact construction under a named standard, grade and destination requirement
LotHomogeneous construction linked to programme and production identity
InspectionProgramme workmanship, dimensional and specimen selection controls
SamplingNamed product-standard/FPC/consignment plan; not generic AQL by default
Inspection and shipment documentsLot, sample, report, authority and batch acceptance record
Additional inspection details
Methods and reportsCurrent standard sources, test reports, certification/mark scope where applicable
Inspection timingProgramme approval, shipment records review and importer confirmation
Project detailsMatch the certificate, marking and test report to the ordered grade and destination requirements
DECISION QUESTIONS
Before the purchase order
Choose the right specification.
What quality requirements should I include in my plywood inquiry?
Start with the use, product construction, dimensions and quantity. Identify the visible faces, machining or hardware fit, thickness tolerance, finish and any required performance or documents. Send your checklist if you have one. We help define the checks and agree the inspection plan with you before production.
Can I arrange an independent inspection before shipment?
Discuss the inspector, inspection stage, scope, sampling, report format and timing with us before ordering. We confirm the arrangements and any associated costs for the selected construction and lot. Factory checks, third-party inspection and laboratory testing serve different purposes; include the ones your customer or project actually needs.
What happens if inspected plywood does not meet the agreed requirements?
We identify and separate the affected material, review the finding against the agreed criteria, and determine corrective work and reinspection. A proposed change to the supplied specification requires your agreement. Keep the lot details, measurements, photographs and agreed decision together so the shipment can be matched to the accepted panels.
What belongs in a plywood inspection checklist?
List the approved specification and sample, lot and quantity, inspection stage, measurable checks, defect classes, sampling or full-inspection plan, instruments, acceptance limits and report format. Record the individual readings, defect counts, corrective work and final shipment decision.
How is an AQL selected for a plywood order?
Agree defect classes, inspection level, lot size and the current sampling standard or buyer procedure. Isolated lots and critical characteristics can use a specifically agreed sampling or full-inspection plan.
How does 100% visual inspection work alongside sampling?
Inspect every panel for the named visible characteristics. Set separate full, sampled or specimen-based checks for dimensions, bond, moisture and laboratory properties, then record the results by characteristic.
What is a first production sample?
An identified initial panel, component or approved reference confirms construction, machining and appearance criteria before routine output. Repeat the relevant approval checks when materials, process settings or the specification change.
How should plywood thickness and dimensions be recorded?
State the method, calibrated tool, inspection condition, panel positions, individual readings and order tolerance. Compare the readings by lot and record the decision and any recheck.
How are flatness, bow and twist evaluated?
Specify the panel size, support condition, reference surface, measurement method, environment and acceptable limit in the purchase specification. Measure at the agreed inspection stage.
How are moisture and density verified?
Handheld meters can screen panels when the order defines their use. For formal acceptance, select the reference method, specimen preparation, number of samples and specified moisture or density range; retain the results by lot.
How is plywood bond quality accepted?
Select the ordered bond requirement and conditioning procedure, test representative specimens using the named method, and compare each reported result with the applicable acceptance criteria for that construction.
When should a third-party inspector be appointed?
When the buyer, regulation, project, risk or independence requirement calls for one. Agree timing, access, sampling authority, witness points, report scope and who makes the final disposition.
What does laboratory accreditation add?
It provides a competence framework. The buyer must still verify that the laboratory, specific method and report are within the current accreditation scope and refer to the correct specimens and lot.
What happens if inspection finds a problem?
Keep the affected lot isolated, document the criterion and scope, authorize any rework or reselection, perform the agreed reinspection or retest, and retain the original and follow-up supporting documentation. Only the agreed acceptance contact may approve a deviation.
How do Production, Quality, Packing and Export work together?
Production identifies the batch and records its construction. Quality records the agreed checks and acceptance decision. Packing protects and labels the accepted panels, while Export matches the shipment and commercial documents to that lot.
Plan plywood checks for your next order.
Full inspection requirements for your order
- Plywood product or intended use
- Application
- Destination
- Named standard
- Specification or drawing revision
- Approved sample/reference
- Construction, core and lay-up
- Face, back or overlay
- Nominal size
- Finished size
- Thickness
- Dimensional tolerance
- Squareness, straightness and flatness
- Appearance and workmanship
- Defect classes
- Moisture content and test method
- Density or panel-mass target
- Bond or emission requirement
- Structural, surface or treatment tests
- Machining, groove or cut checks
- Lot definition
- Quantity
- first production sample
- 100% or sampling preference
- Sampling standard or buyer plan
- Inspection level
- AQL, LQ or acceptance basis
- Sample selection or witness
- Third-party inspector
- Laboratory, report or accreditation
- Inspection timing
- Contact for reinspection and approved deviations
- Report format and retention
- Attachments and target date
Talk directly to our factory
Let’s plan your plywood order.
Tell us what you’re making, the quantity and destination. Our team will help you choose a panel and prepare a quote.