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HSChapter 44
U.S. imports of continuously shaped coniferous wood (tongued, grooved, molded, etc.) (HS 440910) totaled $51.5M in July 2026, traded with 39 countries.
Importers of Continuously Shaped Coniferous Wood (Tongued, Grooved, Molded, etc.) paid $2.9M in duties in July 2026 — an effective duty rate of 11% on $26.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Continuously Shaped Coniferous Wood (Tongued, Grooved, Molded, etc.) imports of $51.5M in July 2026 ran 17% above the year-to-date monthly average of $43.9M.
Last updated: July 2026 dataConiferous wood that has been continuously shaped along its edges or faces — including siding, flooring, moldings, and dowel rods — is a primary input for residential and commercial construction and finish carpentry in the US. The heading's US tariff lines are notably granular, separating Western Red Cedar siding and moldings from other coniferous species, and distinguishing resawn bevel siding, end-jointed moldings, and plain versus advanced-condition dowel rods. Mexico leads supply, followed by Brazil, Canada, Vietnam, and Chile, a diverse sourcing base that reflects both proximity and species availability. Certain coniferous wood products from Canada have historically been subject to antidumping and countervailing duty orders under the softwood lumber dispute, and importers should verify current order scope before entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
2.3K shipments/mo
Western Red Cedar commands a distinct market position in North American siding and decking due to its natural durability, dimensional stability, and resistance to decay. Separate tariff lines for Western Red Cedar siding (4409101020, 4409101060) and other shaped cedar products (4409109020) allow for more precise trade monitoring of this commercially significant species, which is sourced primarily from Canada and the US Pacific Northwest.
The scope of US antidumping and countervailing duty orders on softwood lumber from Canada has historically been a complex and contested area, with scope rulings determining whether shaped or further-processed wood products fall within the order. Importers of Canadian coniferous siding, moldings, or flooring under heading 440910 should consult a licensed customs broker or trade attorney to confirm whether current order scope covers their specific product before shipment.
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Subheading 1 of 4 in heading 4409
Subheading 440910 · $51.5M of $74.3M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4409109000 | Wood Continously Shaped, Coniferous, NESOI | $1.9M |
| 4409101000 | Wood Siding, Coniferous | $399K |
| 4409103000 | Wood Moldings, Coniferous | $286K |
| 4409102000 | Wood Flooring, Not Assembled, Coniferous | $236K |
| 4409107000 | Wood Dowel Rods, Coniferous | $116K |
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
$51.5MYoY · Pro
Exports
$2.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and Canada together supply 42% of it.
customs district
destination
entry
rate provision · imports
48.4% enters free of duty; the effective duty rate is 5.65%.