U.S. imports of Wood Formwork (Shuttering) for Concrete Construction (HS 441840) totaled $864K in August 2026, imported from 13 countries.
Importers of Wood Formwork (Shuttering) for Concrete Construction paid $84K in duties in August 2026, an average duty rate of 9.76% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Wood Formwork (Shuttering) for Concrete Construction imports of $864K in August 2026 ran 42% below the year-to-date monthly average of $1.5M.
Last updated: August 2026 dataEngineered wood panels used as concrete formwork — also called shuttering — serve a critical temporary-structure role in commercial and infrastructure construction, and their classification under a single US tariff line (4418400000) belies the product's technical complexity. Austria and Germany are leading suppliers, reflecting European expertise in high-cycle reusable formwork systems that use phenolic-film-faced plywood or laminated wood panels. Vietnam also appears among top sources, typically supplying lower-cycle tropical plywood-based systems. Importers should be aware that wood formwork from certain origins may carry Section 301 exposure depending on country of origin.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
38 import shipments a month
Wood formwork (shuttering) is purpose-built for contact with wet concrete and typically features a smooth or film-faced surface, precise dimensional tolerances, and edge sealing. CBP distinguishes it from general plywood (Chapter 44 heading 4412) based on its specific construction and intended use as a concrete mold. Misclassification between formwork and plywood is a common audit issue, so documentation of the product's design specifications and end-use is important.
Formwork panels brought in temporarily and re-exported after use may qualify for duty-free treatment under a Temporary Importation under Bond (TIB) entry, provided the goods are not consumed or incorporated into a permanent structure and are exported within the bond period. A licensed customs broker can advise on TIB eligibility and bonding requirements for a specific project.
Subheading 16 of 18 in heading 4418
Subheading 441840 · $864K of $265.8M
Trade Directory
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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 |
|---|---|---|---|---|---|
| 4418400000 | Formwork (Shuttering) for Concrete Constructn Wood | $864K | 9.76% | 88.63% | $84K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4418400000 | Formwork (Shuttering) for Concrete Constructn Wood | $311K |
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
$864KYoY · free account
Exports
$311KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $17.5M of Wood Formwork (Shuttering) for Concrete Construction and exported $1.8M.
Through August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
Austria and Canada together supply 90% of it. China pays 40.7% duty; Canada 0.0%.
customs district
destination
entry
rate provision · imports
11.4% enters free of duty; duty collected equals 9.76% of imports for consumption.