Walnut Sliding Patio Door Threshold
Walnut wood threshold for sliding patio doors with dual track sill and thermal break channel. HTS 4418.29.80 applies to this premium hardwood carpentry threshold designed for interior/exterior transition areas.
Import Duty Rates by Country of Origin
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 coniferous wood patio sills
Pine exterior thresholds specifically use coniferous subheading.
If with stone/composite surface
Composite thresholds with >50% non-wood materials shift to Chapter 68.
If plastic/vinyl clad versions
Surface-coated plastic thresholds classify as other plastics.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include sill profile drawings proving sliding door function vs standard hinge thresholds
• Weather-resistant finish requires exterior joinery review even for hardwoods
• Separate aluminum track components (7604/8302) from wood declaration
Related Products under HTS 4418.29.80
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