Custom Parquet Lead Times: Where the Weeks Actually Go

Your contractor wants a delivery date. The quotation in front of you says "lead time: per project schedule — confirm with factory." That is not evasion. For custom parquet, production lead time from a China mill is genuinely a function of what you specified, and a mill that promises a flat "45 days" before it knows which species you want has quoted a number it cannot hold. You still have to give the contractor a date, though. The way to get one that survives contact with reality is to stop asking for a single number and start asking for the schedule broken into blocks — because the blocks behave very differently from one another, and only one of them is genuinely long.

The single number hides four separate clocks

A custom parquet order runs on four clocks that overlap only partially:

1. Timber procurement, drying and acclimatisation — getting the right species, in the right thickness, to the right moisture content.
2. Machining and assembly — substrate lamination, CNC and hand cutting, parquet assembly, relief carving, hand-sanding.
3. Finishing and cure — multi-coat hand-rubbed oil, with cure time between coats.
4. Packing, booking and transit — cartons, container loading, sailing schedule, destination clearance.

Most buyers assume clock 2 is the long pole, because that is the part they can see in a factory video. It rarely is. Machining is capacity-bound and reasonably predictable; a mill either has the bench hours this month or it does not, and it can tell you which. Clock 1 is the one that moves your date by months rather than weeks, and it is the one least likely to appear in the quotation.

Lumber is the long pole, and it does not compress

A species the mill already has behaves completely differently from one it doesn't

Ask a mill working in imported precious hardwoods — Burma teak, black walnut, rosewood, Indonesian rosewood (Sonokeling), cedar and similar — one very specific question: is the timber for my order already in your yard, dried, in my thickness? The answer splits the schedule in two.

If it is in stock and already at working moisture content, procurement is effectively a stock pull and the clock starts at machining. If it is not, the sequence in front of you is: source and buy logs or sawn stock, saw to thickness if needed, air-dry, kiln-dry, equalise and condition, then acclimatise in-plant before cutting. That is a chain of steps measured in months for dense tropical hardwood in flooring thicknesses, not a step you can pay to skip.

This is the single most useful question in the whole conversation, and it costs you nothing to ask. It is also the reason two mills quoting the same parquet pattern can quote wildly different dates in good faith — one has the walnut, the other doesn't.

Drying time scales badly with thickness

Two rules of thumb from the timber trade are worth carrying into the conversation, as general industry knowledge rather than a promise from any one mill. First, drying time does not scale linearly with thickness — thicker stock takes disproportionately longer, because moisture has further to travel and the schedule has to be gentler to avoid checking, honeycomb and case-hardening. Second, dense, oily and extractive-rich tropical species run slower kiln schedules than temperate species of the same thickness, for the same reason.

The practical consequence: a 15 mm engineered wear layer and a 20 mm solid plank in the same species are not the same procurement problem. If your schedule is tight and the species is fixed, ask whether a structure change — a three-layer or multi-layer engineered board with the same face species — puts you on timber the mill already holds. That is a legitimate way to buy weeks back, and it is a conversation about construction, not a discount request.

Rush pressure lands on the wrong step

When a buyer pushes hard on the date, the step that quietly gets compressed is almost never machining — it is drying and acclimatisation, because it is invisible in the finished goods. Wood shipped wet looks perfect in the carton and fails eight weeks after installation, on the buyer's side of the ocean, as cupping and open joints. Any lead-time negotiation should therefore be paired with a contractual moisture-content window measured at inspection, not just a delivery date. The related discipline is covered in the moisture content and acclimatisation spec piece.

Machining and assembly: real days, but knowable days

Once the timber is right, the in-house chain at a full-scope parquet mill runs substrate lamination, CNC and hand cutting, parquet assembly, relief carving and hand-sanding. Two things about this block are worth knowing.

First, there is a hard sequential dependency inside panel work. The substrate has to be laminated and conditioned before the face pieces are set; if it isn't, the panel telegraphs the substrate's movement through the face after a heating season. A mill that produces its own substrates rather than buying them in controls that conditioning window itself — which is a scheduling advantage, not just a cost one. Ask where in the sequence conditioning sits, and how long it is held.

Second, this block is capacity-bound, so you can sanity-check it with arithmetic instead of trust. A plant publishing annual capacity of roughly 200,000 m² of solid relief flooring, 100,000 m² of antique finish and 500,000 linear metres of skirting is telling you the order of magnitude of a normal month. Divide your order into that and you learn whether you are a rounding error in their year or a meaningful block of it. If you are a rounding error, your risk is queue position, not capacity — so ask where you sit in the queue and what happens if a larger project lands ahead of you.

Finishing is bound by hands and cure, not line speed

A UV-cured line coats and cures a board in one pass at line speed; the throughput question is how many metres per minute. Multi-coat hand-rubbed wood wax oil is a different animal. It is applied and buffed by hand across several coats, and each coat needs its own cure interval before the next goes on. The throughput constraint is therefore two physical things: how many pairs of hands are on the benches, and how much rack and floor space the plant has to hold coated goods while they cure.

That has three scheduling consequences buyers routinely miss:

• Finishing does not accelerate with overtime the way machining does. You can run a CNC longer; you cannot make oil oxidise faster by staying late.
• A hand-finished mill is a custom, small-to-medium batch operation by design. A 300-plus craftsman workforce is a large one for handwork and a small one for commodity volume. Judge the date against that, not against a laminate line's numbers.
• Freshly finished goods should not be packed the same day. Cartoning oil-finished boards before cure is how you get print-through and blocking between faces. If a mill offers to compress your schedule by packing early, that is a quality decision disguised as a logistics one.

The calendar you don't control

The holiday row deserves emphasis for handcraft-heavy plants specifically. A workforce whose value is in hand skill does not return to full output the day the gates reopen, and no mill can promise otherwise. Do not accept a generic "we close for two weeks" — ask for the plant's own dated window for your production year, and ask what percentage of the handcraft workforce is typically back in week one versus week three. The broader seasonal planning problem is laid out in the Q4 and holiday-season sourcing timeline guide; the general mechanics of turning a sample into a dated production run are in sample to mass production.

Turn the schedule into PO milestones

A date is a wish. A milestone schedule is a document. Put these in the purchase order and the "per project schedule" line stops being a problem:

1. Design freeze date — after which pattern, module size and species changes are chargeable and reschedule the order.
2. Timber confirmation date — mill confirms in writing that the specified species and thickness are in yard, with photographs of the stack and the moisture reading.
3. Substrate/machining start date — the actual queue-entry date, not the PO date.
4. Assembly complete date — with a request for progress photographs of assembled, unfinished panels.
5. First-coat date and final-coat date — separated, so cure time is visible in the schedule rather than hidden.
6. Goods-ready date for inspection — defined as 100% produced and packed, or the convention you and the inspector agree.
7. Container loading date and booking cut-off — with the carton and pallet spec attached.
8. Late-delivery remedy — what happens if a milestone slips: notification window, revised date, and any agreed consequence.

Milestones 2, 5 and 6 are the ones that catch real slippage early. A mill that will photograph the timber stack for you at milestone 2 is a mill that has the timber.

Common questions

Why won't the factory just give me a lead time in the quotation?

Because for custom work the honest answer depends on species availability, structure, pattern complexity and queue position at the moment you place the order — and a number given before those are fixed is a number that will move. Treat "per project schedule" as an invitation to supply the missing inputs, not as a red flag. Send the full spec and ask for a block-by-block schedule against it.

Does ordering a sample first cost me lead time?

It costs calendar days, and it usually saves more than it costs. A custom sample resolves species, colour range, sheen and joint fit before the production timber is committed — which is exactly the point at which a change is cheap. What it does not do is prove the mill's production schedule; sample turnaround and production turnaround are different queues.

Can I compress the schedule by splitting the order?

Sometimes. Splitting into a first shipment of the main floor field and a second of stair parts, skirting and trim can get the installers started earlier. The catch is grain matching: components cut from the same timber lot match, and components cut months apart from a different lot may not. If you split, specify in writing that all components come from the same lot, and expect the mill to reserve the material rather than re-source it.

What is the realistic gap between goods-ready and the floor being on site?

Beyond the mill's control and often underestimated: inspection window, booking cut-off, sailing time, destination clearance and inland delivery. Build it into the contractor's date separately from the production date, so a production slip and a shipping slip do not silently merge into one excuse.

What to ask the supplier next

Send these five questions before you talk about price again:

• Is my species, in my thickness, in your yard right now — and can you photograph the stack with a moisture reading?
• If it is not, what is your procurement-plus-drying window for it, and what would a substitute species already in stock look like?
• What is my queue-entry date, and what is your current backlog in the finishing department specifically?
• What are your dated holiday blackout windows for my production year, and when is the handcraft workforce back at full strength?
• Will you sign a milestone schedule with a design-freeze date, a first-coat/final-coat split and a goods-ready-for-inspection date?

A mill running the full chain in-house — timber drying and acclimatisation, substrate lamination, cutting, assembly, carving and hand finishing under one roof, as Anrantabu Flooring does at its 20,000 m² Huizhou plant — can answer all five from its own records rather than by calling a subcontractor. That is the practical test: not whether the answer is fast, but whether it is theirs to give. If you are still assembling the wider dataset behind a first order, the MOQ and lead-time questions worth asking any China factory cover the ground beyond scheduling, and the quote package and project order economics pieces cover what to send in the first place.