Creosote-Dipped Elm Guardrail Posts
Elm wood posts dipped in creosote preservative, left in rough state for highway guardrails and bridge supports. Classified HTS 4403.12.0060 as nonconiferous other rough wood treated with preservatives. Meets DOT specifications for impact-resistant roadside safety applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If coniferous species like southern yellow pine
Coniferous guardrail posts use 4403.11 prefix, separated by botanical family.
If pointed or shaped for direct installation
Shaped or worked posts become 'tools' under 4417 rather than rough material.
If part of complete guardrail assemblies
Vehicle safety assemblies including posts classify under Chapter 87 parts.
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Import Tips & Compliance
• Provide DOT/AASHTO treatment certification for infrastructure project acceptance
• Document sapwood removal extent to justify rough wood tariff treatment
• Test for creosote off-gassing compliance with VOC import regulations
Related Products under HTS 4403.12.00.60
Creosote-Treated Oak Logs
Rough-cut oak logs treated with creosote preservative to protect against rot and insects, retaining bark in some areas for natural appearance. Classified under HTS 4403.12.0060 as nonconiferous wood in the rough, specifically 'other' category, treated with preservatives but not stripped or squared. Used primarily for outdoor fencing and railway sleepers.
Pressure-Treated Poplar Utility Poles
Roughly squared poplar poles treated under pressure with wood preservatives for utility line support, minimally processed from the log. Falls under HTS 4403.12.0060 as nonconiferous 'other' wood in the rough with preservative treatment. Ideal for rural electrification projects requiring durable, untreated-looking poles.
Stain-Treated Ash Fence Rails
Ash wood rails in rough form, surface-stained with penetrating preservatives for outdoor fencing, not fully stripped or squared. HTS 4403.12.0060 covers this nonconiferous treated rough wood in the 'other' category. Provides natural aesthetic with enhanced weather resistance for ranch and garden applications.
CCA-Treated Maple Landscape Timbers
Rough maple timbers pressure-treated with chromated copper arsenate (CCA) for garden edging and retaining walls. HTS 4403.12.0060 applies to these nonconiferous preserved rough wood products in other forms. Long-lasting alternative to concrete for residential landscaping projects.
Pentachlorophenol Treated Hickory Pilings
Hickory wood pilings treated with pentachlorophenol for marine dock construction, maintained in rough log form. Under HTS 4403.12.0060 as nonconiferous other rough wood with preservatives. High strength-to-weight ratio ideal for waterfront structural support.
Copper Azole Treated Cherry Round Stakes
Round cherry wood stakes treated with copper azole preservative for vineyard and orchard support systems. HTS 4403.12.0060 covers nonconiferous rough treated wood in other forms. Environmentally friendlier alternative to traditional creosote for agricultural use.