U.S. imports of Continuously Shaped Coniferous Wood (Tongued, Grooved, Molded, etc.) (HS 440910) totaled $54.0M in August 2026, imported from 41 countries.
Importers of Continuously Shaped Coniferous Wood (Tongued, Grooved, Molded, etc.) paid $5.3M in duties in August 2026, an average duty rate of 9.86% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Continuously Shaped Coniferous Wood (Tongued, Grooved, Molded, etc.) imports of $54.0M in August 2026 ran 20% above the year-to-date monthly average of $45.1M.
Last updated: August 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 import shipments a month
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.
ImportsExports
Imports
$54.0MYoY · free account
Exports
$2.9MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $524.2M of Continuously Shaped Coniferous Wood (Tongued, Grooved, Molded, etc.) and exported $29.5M.
Through August 2026. Source: U.S. Census Bureau.
Subheading 1 of 4 in heading 4409
Subheading 440910 · $54.0M of $78.2M
Trade Directory
List your company under HS 440910 — Continuously Shaped Coniferous Wood (Tongued, Grooved, Molded, etc.), so the companies trading it can find you. Be the first supplier listed.
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.
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.
Imports · August 2026
origin
Canada and Mexico together supply 44% of it. Brazil pays 35.3% duty; Mexico 0.0%.
customs district
destination
entry
rate provision · imports
45.9% enters free of duty; duty collected equals 9.86% of imports for consumption.