Bamboo Engineered I-Joists

Structural I-shaped joists fabricated from bamboo flanges and oriented strand webs, used for floor and roof support in buildings. Falls under HTS 4418.91.91.40 as other fabricated structural wood members of bamboo, distinct from simple lumber due to engineered composite construction. Ideal for sustainable residential framing.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.2%+35.0%38.2%
🇲🇽Mexico3.2%+10.0%13.2%
🇨🇦Canada3.2%+10.0%13.2%
🇩🇪Germany3.2%+10.0%13.2%
🇯🇵Japan3.2%+10.0%13.2%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4418Same rate: 38.2%

If made from coniferous or tropical woods instead of bamboo

Same fabricated structural members but different wood types move to non-bamboo subheadings.

4411.94.00Lower: 35% vs 38.2%

If supplied as unassembled laminated scantlings

Fiberboard or densified wood products apply if not fully fabricated into structural shapes.

9406.90.01Lower: 37.9% vs 38.2%

If prefabricated into complete roof trusses

Prefabricated buildings shift to Chapter 94 when constituting substantial assemblies.

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Import Tips & Compliance

Provide engineering test data proving structural integrity to prevent reclassification as parts

Include ISPM-15 treatment certificates if applicable for wooden structural components

Label clearly as 'bamboo' to distinguish from other wood species under Chapter 44 notes

Related Products under HTS 4418.91.91.40

Bamboo Laminated Structural Beams

Prefabricated beams made from layered bamboo strips laminated together under pressure, designed for load-bearing structural applications in construction. Classified under HTS 4418.91.91.40 as fabricated structural wood members of bamboo, meeting the definition of woody materials per Chapter 44 notes. These beams provide high strength-to-weight ratio for framing roofs and floors.

Bamboo Truss Components

Pre-fabricated triangular truss sections made from joined bamboo members with gusset plates, for roof framing systems. Classified in HTS 4418.91.91.40 for other fabricated structural bamboo members, per Chapter 44 inclusion of woody materials. Used in modular construction for lightweight strength.

Bamboo Structural Columns

Cylindrical or square prefabricated columns from laminated bamboo veneer lumber (LVL), designed to bear vertical loads in buildings. HTS 4418.91.91.40 applies to these other fabricated structural wood members of bamboo. Provides earthquake-resistant support in modern architecture.

Bamboo Cross-Laminated Timber Panels

CLT panels orthogonally layered from bamboo lumber strips and adhesively bonded for wall, floor, and roof structural use. Fits HTS 4418.91.91.40 as fabricated structural bamboo members, leveraging Chapter 44 woody material scope. Enables mass timber construction.

Bamboo Prefabricated Wall Panels

Structural wall panels fabricated from cross-laminated bamboo with integrated framing for modular building construction. Under HTS 4418.91.91.40 for other bamboo fabricated structural wood members. Accelerates on-site assembly while maintaining strength.

Bamboo LVL Studs and Rafters

Laminated veneer lumber studs and rafters engineered from bamboo veneers for framing walls and roofs. HTS 4418.91.91.40 covers these fabricated structural bamboo members. Offers superior dimensional stability over solid sawn lumber.