Product classification
HS code for Structural timber: 4418.89
Wood, engineered structural timber products, other than glue-laminated timber (glulam), cross-laminated timber (CLT or X-lam), or I beams.
Classification of structural timber under HS 4418.89
Structural timber, specifically engineered structural timber products other than glulam, CLT, or I-beams, is classified under HS code 4418.89. This classification falls within Chapter 44, which covers wood and articles of wood. Heading 4418 is dedicated to builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring. In the 2022 update to the Harmonized System, new subheadings were introduced under 4418.8 to specifically track engineered structural timber products used in modern construction. While 4418.81 covers glue-laminated timber (glulam) and 4418.82 covers cross-laminated timber (CLT), the residual category 4418.89 captures other advanced engineered wood products. These products are characterized by being manufactured from layers or particles of wood bonded together with adhesives to create structural components that are often stronger and more stable than solid sawn timber. This classification is essential for distinguishing between traditional lumber and high-tech wood products used in load-bearing applications in building frames, roofs, and bridges.
- Covers
- Laminated Veneer Lumber (LVL)
- Parallel Strand Lumber (PSL)
- Laminated Strand Lumber (LSL)
- Engineered wood trusses (excluding I-beams)
- Structural composite lumber (SCL)
- Also under 4418.89
- Weyerhaeuser TimberStrand PSL
- LP SolidStart LVL
- Boise Cascade Versa-Lam LVL
- Roseburg RFPI Joists (non-I-beam)
Codes often confused with 4418.89
Common mistake. Structural timber is frequently misclassified under 4407, which is for wood sawn or chipped lengthwise (standard lumber). However, because engineered timber is a product of "builders' carpentry," it must be placed in 4418. It is also often confused with 4418.81 (glulam) or 4418.83 (I-beams); 4418.89 should only be used for engineered products that do not meet the specific definitions of those other subheadings.
Top exporters and importers of HS 441889 (the code used for structural timber), 2025
In 2025, the largest exporter of HS 441889 (the code used for structural timber) in UN Comtrade data was Canada, with 47% of world exports; the largest importer in UN Comtrade data was the United States, with 38% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 441889, not only structural timber.
Top exporters 2025 · share of world exports
- 1 Canada $186M 47% of world exports
- 2 Poland $79M 20% of world exports
- 3 United States $39M 9.8% of world exports
World total: $394M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $187M 38% of world imports
- 2 Australia $72M 15% of world imports
- 3 Germany $39M 7.9% of world imports
World total: $492M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for structural timber
Brazil classifies structural timber under NCM 4418.89.00: HS 4418.89 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
EU Regulatory Requirements
This product category is subject to the EU Deforestation Regulation (EUDR). Importers must provide due diligence statements proving the product was not produced on deforested land after December 31, 2020.
This product is covered by the EU Timber Regulation (EUTR), requiring operators to exercise due diligence to minimize the risk of placing illegally harvested timber on the EU market.
Questions about structural timber
What is the HS code for Structural timber?
The HS code for Structural timber is 441889 (Wood; engineered structural timber products, other than glue-laminated timber (glulam), cross-laminated timber (CLT or X-lam), or I beams). The HS code for engineered structural timber products (excluding glulam, CLT, and I-beams) is 4418.89.
How do I classify Structural timber for customs?
Structural timber is classified under HS code 441889 — Wood; engineered structural timber products, other than glue-laminated timber (glulam), cross-laminated timber (CLT or X-lam), or I beams. This is a 6-digit subheading level code.
Is solid oak beam classified here?
No, solid wood beams that have not been engineered or assembled via joinery are typically classified under 4407 or 4418.60, depending on the degree of processing.
Which countries are the top exporters of structural timber (HS 441889)?
In 2025, the top exporters of HS 441889 (the code used for structural timber) in UN Comtrade data were Canada ($186M, 47% of world exports), Poland ($79M) and the United States ($39M). World exports came to about $394M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of structural timber (HS 441889)?
In 2025, the top importers of HS 441889 (the code used for structural timber) in UN Comtrade data were the United States ($187M, 38% of world imports), Australia ($72M) and Germany ($39M). World imports came to about $492M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Structural timber the same in all countries?
The base HS code 441889 for Structural timber is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for structural timber in Brazil?
In Brazil, structural timber (HS 441889) is classified under NCM 4418.89.00.