U.S. imports of Builders' Joinery and Carpentry of Bamboo (HS 441891) totaled $1.6M in September 2026, imported from 17 countries.
Importers of Builders' Joinery and Carpentry of Bamboo paid $56K in duties in September 2026, an average duty rate of 3.41% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Builders' Joinery and Carpentry of Bamboo imports of $1.6M in September 2026 ran 13% below the year-to-date monthly average of $1.9M.
Last updated: September 2026 dataBamboo-based structural and finish building components — including drilled or notched studs (4418911000), roof trusses (4418919120), fabricated structural members (4418919140), prefabricated partitions and panels (4418919150), and bamboo wood flooring (4418919105) — occupy a growing niche in sustainable construction. China is the dominant supplier, with Canada and Mexico also among the leading sources. Goods from China are subject to Section 301 tariffs, and the heading's multiple 10-digit lines mean that misclassification between, for example, flooring and structural members can carry different duty consequences. Importers should confirm the precise product form against each tariff line description.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
112 import shipments a month
Bamboo flooring for builders' use is specifically captured at 4418919105 within this heading. However, bamboo flooring that is more akin to a finished surface product may be subject to classification disputes between heading 4418 and heading 4418 subheadings for flooring panels. The key factor is whether the product is a prefabricated structural or finish element intended for building installation; importers should obtain a binding ruling from CBP if the product's classification is ambiguous.
US building codes (IBC and IRC) increasingly reference ICC-ES evaluation reports or equivalent third-party certifications for non-traditional structural materials like bamboo. Importers and buyers should request test reports demonstrating compliance with applicable ASTM or ISO standards for structural performance, as these documents support both customs entry and downstream acceptance by building inspectors.
Subheading 12 of 18 in heading 4418
Subheading 441891 · $1.6M of $265.8M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 4418919150 | Prefab Partitions/Panels Bamboo Wood for Build | $1.1M | 0.06% | 0.37% | $641 |
| 4418919195 | Builders' Joinery and Carpentry Bamboo Wood, NESOI | $1.1M | 7.14% | 23.31% | $77K |
| 4418919105 | Wood Flooring of Bamboo, NESOI | $222K | 27.43% | 76.30% | $61K |
| 4418919120 | Roof Trusses of Bamboo | $73K | 0.00% | 0.00% | -- |
| 4418911000 | Drilled or Notched Lumber Studs of Bamboo | $8K | 0.00% | 0.00% | -- |
| 4418919140 | Fabricated Structural Wood Members, Bamboo, NESOI | — | -- | -- | -- |
| 4418919110 | Arches, Laminated of Bamboo | — | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4418910100 | Builders' Joinery and Carpentry of Bamboo, NESOI | $176K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$1.6MYoY · free account
Exports
—YoY · free account
12-mo low · imports
Low · free accountOver the twelve months to September 2026, the U.S. imported $22.0M of Builders' Joinery and Carpentry of Bamboo.
Through September 2026 · exports 11 of 12 months reported. Source: U.S. Census Bureau.
Imports · September 2026
origin
Canada and Mexico together supply 83% of it. China pays 40.7% duty; Canada 0.0%.
customs district
destination
entry
rate provision · imports
83.4% enters free of duty; duty collected equals 3.41% of imports for consumption.