Preservative Treated Hemlock Timbers
Rough hemlock timbers treated with creosote or other preservatives, coniferous species for heavy construction. In the rough, sapwood stripped, these fall under tariff item 4403.11.00.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the timbers are from non-coniferous species.
This item covers other rough wood from non-coniferous species.
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
• Confirm the timbers are in the rough state—not sawn, planed, or shaped
• Keep records of the preservative treatment and species (hemlock)
• Declare the timbers as rough wood to avoid reclassification
Related Products under Tariff item 4403.11.00
CCA Treated Cedar Stakes
Rough cedar stakes treated with chromated copper arsenate (CCA) for garden use. These are coniferous wood in the rough, not further processed beyond stripping bark or rough squaring, and treated with preservatives.
Cedar Fence Posts Rough Treated
Western red cedar posts in rough form, treated with preservatives for fencing. Bark removed and roughly squared, these are coniferous wood in the rough under tariff item 4403.11.00.
Creosoted Coniferous Roundwood
Creosoted coniferous roundwood from pine or other coniferous trees, in rough, un-squared form for posts or stakes. Fully treated with creosote preservative, these fall under tariff item 4403.11.00.
Creosote Treated Pine Logs
Rough-cut pine logs treated with creosote preservative to protect against decay and insects. In the rough state, stripped of bark but not squared or further processed, these are coniferous wood under tariff item 4403.11.00.
Douglas Fir Rough Preserved Logs
Douglas fir logs in rough condition, preserved with stains or creosote for piling or marine use. Coniferous, bark-free but unsawn, these fall under tariff item 4403.11.00 for treated rough wood.
Fir Landscape Timbers Treated
Rough fir timbers treated for garden retaining walls, coniferous preserved wood. These are in the rough state, not further processed, and fall under tariff item 4403.11.00.