Creosote-Dipped Elm Guardrail Posts
Elm wood posts dipped in creosote preservative, left in rough state for highway guardrails and bridge supports. These non-coniferous rough wood products treated with preservatives are classified under tariff item 4403.12.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the posts are split or roughly pointed
Split poles and pointed posts are classified under heading 44.04.
If the posts are cut to length and drilled for guardrail attachment
Wood articles not elsewhere specified fall under heading 44.21.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify that the posts are in the rough state and not further worked, as any sawing or drilling could change the classification
• Creosote-treated wood may be subject to Canadian environmental regulations—ensure the treatment complies with Health Canada's Pest Control Products Act
• Provide a declaration of the preservative used to facilitate CBSA clearance
Related Products under Tariff item 4403.12.00
ACQ Preservative Treated Oak Telephone Poles
Hardwood oak poles treated with alkaline copper quaternary (ACQ) preservative, roughly squared for telephone line installation. These non-coniferous preserved poles are in a rough state, qualifying under tariff item 4403.12.00 as treated non-coniferous wood.
ACQ-Treated Aspen Fence Post
Lightweight aspen wood fence posts treated with alkaline copper quaternary (ACQ) preservative via pressure process. These rough-form posts have bark removed and are used for lightweight residential fences, classified under tariff item 4403.12.00 for non-coniferous wood in the rough treated with preservatives.
ACQ Treated Beech Playground Posts
Beech wood posts treated with alkaline copper quaternary (ACQ) for children's playground equipment foundations. These non-coniferous rough posts meet ASTM F1487 safety standards for public recreation, classified under tariff item 4403.12.00.
ACQ-Treated Maple Telegraph Poles
Rough maple poles pressure-treated with alkaline copper quat (ACQ) for rural telegraph lines. These non-coniferous utility poles meet the criteria for other poles under tariff item 4403.12.00 for treated rough wood.
ACQ-Treated Walnut Logs
Premium non-coniferous walnut logs treated with alkaline copper quaternary (ACQ) preservative, roughly squared for high-end millwork feedstock. The chemical treatment provides enhanced rot resistance, and the rough squaring qualifies as minimal processing under tariff item 4403.12.00.
Borate-Treated Cherry Wood Rounds
Non-coniferous black cherry wood rounds diffusion-treated with borate preservative, minimally squared for interior beam stock. The borate treatment penetrates the wood for protection, and the rounds are in a rough state, qualifying under tariff item 4403.12.00.