Product Classification Guide

HS Code for Glulam

4418.81 Wood; engineered structural timber products, glue-laminated timber (glulam)
Wood & Wood Products
View full HS code details

Glulam, or glue-laminated timber, is classified under HS code 4418.81. This classification is part of Chapter 44, which encompasses wood and articles of wood. Heading 4418 specifically addresses builders' joinery and carpentry of wood. The 2022 update to the Harmonized System introduced specific subheadings for engineered structural timber products to better track trade in these modern construction materials. Subheading 4418.81 is dedicated to glulam, which is manufactured by bonding together individual layers of wood laminations with the grain of all layers running parallel to the longitudinal axis. This structural orientation distinguishes it from cross-laminated timber (CLT). The classification is determined by the product's engineered nature and its primary use as a load-bearing structural component in buildings, such as beams, columns, or arches. To qualify for this code, the product must be a finished or semi-finished structural component rather than simple laminated wood used for furniture or decorative purposes, which would fall under different headings in Chapter 44.

Products Included

  • Glue-laminated structural beams
  • Glulam columns for building support
  • Curved glulam arches for architectural structures
  • Engineered timber headers and lintels
  • Prefabricated glulam trusses

Common Misclassification

Glulam is often misclassified under HS code 4412, which covers plywood and other laminated wood. However, 4412 is intended for non-structural panels. It is also confused with HS code 4418.82, which is specifically for cross-laminated timber (CLT). CLT features layers with grains at right angles, whereas glulam grains are parallel. Simple sawn timber is classified under 4407.

FAQ

What is the HS code for structural glulam beams?

Structural glulam beams are classified under HS code 4418.81 as engineered structural timber products.

How does glulam differ from CLT in HS classification?

Glulam (4418.81) has parallel grain laminations, while Cross-Laminated Timber (4418.82) has layers oriented at right angles to one another.

Industry

View all codes

Frequently Asked Questions

What is the HS code for Glulam?

The HS code for Glulam is 441881 (Wood; engineered structural timber products, glue-laminated timber (glulam)).

How do I classify Glulam for customs?

Glulam is classified under HS code 441881 — Wood; engineered structural timber products, glue-laminated timber (glulam). This is a 6-digit subheading level code.

Is the HS code for Glulam the same in all countries?

The base HS code 441881 for Glulam is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.