Wood; engineered structural timber products, cross-laminated timber (CLT or X-lam)

HS v2022 Code: 441882

About wood; engineered structural timber products, cross-laminated timber (clt or x-lam)

HS code 441882 covers engineered structural timber products, including cross-laminated timber (CLT or X-lam). This industry plays a crucial role in the construction and building materials sector, providing innovative and sustainable wood-based solutions for a wide range of applications. As the demand for eco-friendly and energy-efficient building materials continues to grow, the importance of this industry within the broader economy is steadily increasing.

Production process

The production of engineered structural timber products, such as CLT, involves a multi-step process. First, individual wood boards or planks are carefully selected and graded based on their strength and quality. These boards are then cross-laminated, with layers oriented perpendicular to each other, to create large, solid panels. The panels are then pressed and bonded together using specialized adhesives, ensuring a strong and stable final product. Advanced manufacturing techniques, such as computer-controlled cutting and precision assembly, are often employed to ensure consistent quality and dimensional accuracy.

Production inputs

The main inputs required for the production of engineered structural timber products include high-quality raw timber, typically sourced from sustainably managed forests. Specialized adhesives, such as polyurethane or epoxy-based formulations, are also essential for the lamination process. Additionally, the industry relies on advanced machinery and equipment, including computer-controlled cutting tools, presses, and assembly lines, to ensure efficient and precise manufacturing.

Production outputs

The primary output of this industry is engineered structural timber products, such as cross-laminated timber (CLT) or X-lam. These materials are widely used in the construction of buildings, bridges, and other infrastructure projects, as they offer superior strength, durability, and environmental benefits compared to traditional building materials. The outputs of this industry are often consumed by industries classified under 441000 Wood and articles of wood; wood charcoal, 470000 (Pulp of wood or of other fibrous cellulosic material; recovered (waste and scrap) paper or paperboard), and 940600 Prefabricated buildings.

Revisions to 441882

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 441882. The most recent 1 version of this code (441882) is in the HS v2022 system (this version):

This page shows the most recent version of code 441882.

Family tree for wood; engineered structural timber products, cross-laminated timber (clt or x-lam)

    graph LR
    A["<a href='/classifications/hs/v2022/44'>44: Wood and articles of wood; wood charcoal</a>"]
A --> B["<a href='/classifications/hs/v2022/4418'>4418: Builders' joinery and carpentry of wood, including cellular wood panels, assembled flooring panels, shingles and shakes</a>"]
B --> C["<a href='/classifications/hs/v2022/441882'>441882: Wood; engineered structural timber products, cross-laminated timber (CLT or X-lam)</a>"]

    B --> D["<a href='/classifications/hs/v2022/441811'>441811: Wood; windows, French-windows and their frames; of tropical wood</a>"]
B --> E["<a href='/classifications/hs/v2022/441819'>441819: Wood; windows, French-windows and their frames; (of other than tropical wood)</a>"]
B --> F["<a href='/classifications/hs/v2022/441821'>441821: Wood; doors and their frames and thresholds, of tropical wood;</a>"]
B --> G["<a href='/classifications/hs/v2022/441829'>441829: Wood; doors and their frames and thresholds, (of other than tropical wood)</a>"]
B --> H["<a href='/classifications/hs/v2022/441830'>441830: wood; posts and beams other than products of subheadings 4418.81 to 4418.89</a>"]
B --> I["<a href='/classifications/hs/v2022/441840'>441840: Wood; shuttering for concrete constructional work</a>"]
B --> J["<a href='/classifications/hs/v2022/441850'>441850: Wood; shingles and shakes</a>"]
B --> K["<a href='/classifications/hs/v2022/441873'>441873: Wood; assembled flooring panels, of bamboo or with at least the top layer (wear layer) of bamboo</a>"]
B --> L["<a href='/classifications/hs/v2022/441874'>441874: Wood; assembled flooring panels, not of bamboo or with at least the top layer (wear layer) of bamboo, for mosaic floors</a>"]
B --> M["<a href='/classifications/hs/v2022/441875'>441875: Wood; assembled flooring panels, not of bamboo or with at least the top layer (wear layer) of bamboo, multilayer</a>"]
B --> N["<a href='/classifications/hs/v2022/441879'>441879: Wood; assembled flooring panels, n.e.c in headings 4418.73, 4418.74 or 4418.75</a>"]
B --> O["<a href='/classifications/hs/v2022/441881'>441881: Wood; engineered structural timber products, glue-laminated timber (glulam)</a>"]
B --> P["<a href='/classifications/hs/v2022/441883'>441883: Wood; engineered structural timber products, I beams</a>"]
B --> Q["<a href='/classifications/hs/v2022/441889'>441889: Wood; engineered structural timber products, other than glue-laminated timber (glulam), cross-laminated timber (CLT or X-lam), or I beams</a>"]
B --> R["<a href='/classifications/hs/v2022/441891'>441891: Wood; builders' joinery and carpentry of wood n.e.c. in heading no. 4418, of bamboo</a>"]
B --> S["<a href='/classifications/hs/v2022/441892'>441892: Wood; builders' joinery and carpentry of wood n.e.c. in heading no. 4418, cellular wood panels</a>"]
B --> T["<a href='/classifications/hs/v2022/441899'>441899: Wood; builders' joinery and carpentry of wood n.e.c. in heading no. 4418, other than of bamboo or cellular wood panels</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6
class N level6
class O level6
class P level6
class Q level6
class R level6
class S level6
class T level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight