When a Flooring Pilot Batch Does Not Match the Approved Sample
Cover photograph: BOPMAN BMY016-3 staged product photography. Product example only; not a record of a non-conforming batch discussed in this article.
The approved sample looks right. The pilot boards do not: perhaps the finish looks shinier, the brushing feels deeper or a parquet joint differs from the drawing. Before accepting a promise to “adjust it during production,” an importer or project buyer needs to know what will change, which work remains on hold and who can release the order.
If a pilot batch forms part of your agreed order, the review should end with a clear production instruction. A replacement sample arriving by courier is only one part of that decision.
Identify the material under review
Record the product code, pilot-batch reference, quantity concerned, approved sample ID and specification or drawing revision. Ask the supplier whether the difference appears throughout the trial or only in particular pieces. Keep the original approval record intact while the issue is investigated.
Agree in writing which production or dispatch steps will wait for the review. Name the person responsible for the next response. “Please improve the finish” leaves too much open: the supplier still needs to know what result you expect and what evidence will allow work to continue.
Bring the references into the same review
Compare the retained approved set with representative pilot pieces under recorded lighting and viewing conditions. Label the pieces and photographs so a colleague can repeat the comparison. For parquet, include the junction or repeat that raised the concern. A close-up of one attractive piece may miss the problem visible across adjoining modules.
For a dimensional concern, record the measurement method and relevant storage and conditioning information. The USDA Wood Handbook’s chapter on moisture relations explains that wood’s moisture exchange depends on the surrounding air and its existing moisture content. Those conditions belong in the investigation; they do not, by themselves, prove the cause of a mismatch.
If the approval reference itself is unclear, resolve that first. Our wood flooring sample approval guide covers how to identify the sample set and the range it represents.
Ask what the proposed remedy changes
For a sheen difference, ask for a comparison against the approved pieces and the agreed acceptance criteria. If glossmeter readings are proposed, identify the method and measurement geometry. ASTM D523 covers several geometries; numbers without that context are difficult to compare. Any acceptance limit still needs to be agreed for the order.
Also ask whether the remedy adjusts a process or substitutes a finish. If the finish changes, review its relevant product and care information alongside its appearance. The USDA chapter on finishing wood identifies appearance, protection and cleanability among finish-selection considerations. A colour match alone leaves those questions unanswered.
Choose the decision that fits the affected batch
- Correct to the existing requirement. Retain the current specification, agree the corrective work and review the replacement evidence, including physical samples where relevant, before release.
- Accept a defined exception. Identify the exact deviation, batch and quantity accepted. State whether the acceptance applies only to that material and leaves later production requirements unchanged.
- Revise the specification. Issue a new revision and sample reference. Record the change and identify the version it replaces.
For example, accepting a sheen difference in a specified pilot quantity should not silently authorise it for the rest of an order. Keep that scope explicit. For any route, confirm the approver and resolve the implications for price, timing, packaging or supporting documents before treating the decision as complete.
Give production one current release instruction
Connect the final decision to the approved physical references, specification revision and inspection criteria. The buyer and supplier should hold matching records. Mark replaced references as superseded and agree how the next inspection will check that the correction or revision was implemented.
Keep the discrepancy report, corrective evidence, approval and production release together. An email saying “sample approved” needs enough context for someone outside the original discussion to identify what is approved, for which material and with which conditions still open.
Discuss the handover before placing the order
Preparing an engineered wood flooring or parquet enquiry? Send BOPMAN the product or pattern, destination, estimated quantity and any sample or drawing references. If you want a pilot batch, explain the decision it needs to support. Its availability, scope, cost and timing should be agreed for your order.