Sourcing plywood, LVL and blockboard from China

The face ply decides the code

Plywood is classified by what it is made of on the outside: bamboo, tropical wood, other hardwood such as birch or poplar, or softwood on both faces, and then by whether it is plywood, laminated veneered lumber or blockboard. Read from the UK Trade Tariff on 25 September 2026, ordinary plywood from China with a poplar, birch, other hardwood or softwood face carried 6% duty, while bamboo plywood, hardwood-faced LVL and blockboard carried 10%. No line carried an anti-dumping measure on China. Three plywood lines are suspended to 0% until 30 June 2027: plywood with an outer ply of eucalyptus and no birch, poplar or aspen outer ply (4412 33 30 10 and 4412 33 30 90), plywood with an outer ply of okoumé not coated by a permanent film (4412 31 10 10), and coniferous plywood over 8.5 mm with faces only peeled (4412 39 00 10).

A panel described loosely as hardwood plywood can land in either rate, so write the face and core species and the construction into the product specification, and confirm the commodity code against it.

Timber due diligence

Plywood, veneered panels and similar laminated wood are listed in the annex of the timber regulation that Great Britain retained, Regulation 995/2010. Article 4 prohibits placing illegally harvested timber, or products derived from it, on the market, and requires the business that first places it on the market to exercise due diligence. In practice that means knowing the species and the country of harvest for every ply, not only the face, and holding evidence that the harvest was legal.

Chinese plywood often has a face of one species and a core of another, sometimes imported into China, so ask the factory for the species and origin of each layer and for the supporting documents before the order, not after the container has sailed.

Glue, formaldehyde and grade

Plywood used in construction is declared against the harmonised standard for wood-based panels, EN 13986, which covers formaldehyde release among its characteristics. Ask for the formaldehyde class and the bonding class to EN 314-2, which runs from class 1 for dry interiors to class 3 for exterior use, and have both tested rather than stamped. A board sold as exterior grade that delaminates in a boil test is the commonest complaint in this category. For formwork applications, see our film-faced shuttering plywood sourcing guide. For other wood-based panels, see our particleboard and OSB sourcing guide. For trailer floors, see our phenolic-faced trailer plywood sourcing guide.

Face grade, core voids and thickness tolerance are the other checks. Cut a sample board at inspection to see the core, and measure thickness across the sheet. For aircraft applications, see our aircraft-grade birch plywood sourcing guide.

Worked duty example

Suppose, purely for illustration, you import 50 m³ of poplar-faced plywood under 4412 33 20 10. At £22,000 free on board and £3,500 to ship and insure, the customs value is £25,500. Plywood at 6% pay £1,530 of duty; VAT is then worked out on value plus duty, £27,030, giving £5,406. Of the £6,936 paid at import, only the £1,530 of duty stays a cost for a VAT-registered business. Bamboo plywood or LVL on the same value would pay 10%. The method is set out in how UK import duty and VAT work.

Inspection checklist

Strength: test bending strength and modulus of elasticity to BS EN 310 on boards from several bundles, against the values declared for structural use. For roof structures, see our timber roof truss sourcing guide.

Moisture and density: measure moisture content to BS EN 322 and density to BS EN 323 on sample pieces at loading and on arrival, since wet boards warp and dense cores signal a species swap.

Face grade: check face and back veneers against the appearance classes of BS EN 635-2 for hardwood or BS EN 635-3 for softwood, and check the grade stamp matches the order.

What goes wrong

Plywood fails on species, glue and core. Boards sold as birch have a thin birch face over a poplar or eucalyptus core, which changes the code and the strength, core voids and overlaps show when the board is cut, and plies delaminate because the glue bond is not the class claimed. Formaldehyde release exceeds the declared class, thickness varies across the sheet, boards arrive wet and warp, and the due diligence file cannot trace the core veneers.

Cut sample boards to check face and core species and voids, test bond quality to EN 314-1 for the bonding class in EN 314-2 after the required pre-treatment, test formaldehyde to EN 717-1 against the EN 13986 declaration, measure thickness to the EN 315 tolerances, check moisture at loading, and collect species and origin documents for every layer before shipment.

Container economics

Plywood is dense, low in value per kilo and shipped by the container, so the price per cubic metre after freight is the number to compare, not the ex-works price per sheet. Moisture is the transport risk: ask for the moisture content at loading, and check that the packs are wrapped and strapped at the container loading.

Cambridge China Bridge sources plywood, LVL and blockboard by the container, with the species, legality and test documents gathered before the order and the packs checked before they sail. See how our sourcing service works.

Related guides: Sourcing wood mouldings and parquet strips from China and Particleboard and OSB from China, Sourcing wood veneer sheets from China. For staircase kits, see our wooden staircase sourcing guide.