HS code 4418.21: Doors and their frames and thresholds, of tropical wood
Last updated
Key facts
- HS code
- 4418.21
- Covers
- Doors and their frames and thresholds, of tropical wood
- Edition
- HS2022
- Duty in the United States
- See its 3 lines
Summary
HS code 4418.21 covers doors and their frames and thresholds, of tropical wood. It sits in heading 44.18 (builders' joinery and carpentry of wood, including cellular wood panels, assembled flooring panels, shingles and shakes) in chapter 44 (wood and articles of wood; wood charcoal). Other goods of heading 44.18 are classified under 4418.11 (windows, French windows and their frames, of tropical wood), 4418.19 (windows, French windows and their frames, other), 4418.29 (doors and their frames and thresholds, other), 4418.30 (posts or beams other than products of subheadings 4418.81 to 4418.89) and 13 others. National tariff lines under 4418.21 are live on border.bot for the United States (3 lines, also used by 1 other country).
What this code covers
HS code 4418.21 covers doors and their frames and thresholds, of tropical wood.
The legal text of the subheading is “Doors and their frames and thresholds: Of tropical wood”, read under “Doors and their frames and thresholds”, in HS2022.
What it doesn’t cover
Other goods of heading 44.18 are classified under 4418.11 (windows, French windows and their frames, of tropical wood), 4418.19 (windows, French windows and their frames, other), 4418.29 (doors and their frames and thresholds, other), 4418.30 (posts or beams other than products of subheadings 4418.81 to 4418.89) and 13 others.
- 4418.11Windows, French windows and their frames: Of tropical wood
- 4418.19Windows, French windows and their frames: Other
- 4418.29Doors and their frames and thresholds: Other
- 4418.30Posts and beams other than products of subheadings 4418.81 to 4418.89
- 4418.40Shuttering for concrete constructional work
- 4418.50Shingles and shakes
- 4418.73Assembled flooring panels: Of bamboo or with at least the top layer (wear layer) of bamboo
- 4418.74Assembled flooring panels: Other, for mosaic floors
- 4418.75Assembled flooring panels: Other, multilayer
- 4418.79Assembled flooring panels: Other
- 4418.81Engineered structural timber products: Glue-laminated timber (glulam)
- 4418.82Engineered structural timber products: Cross-laminated timber (CLT or X-lam)
- 4418.83Engineered structural timber products: I beams
- 4418.89Engineered structural timber products: Other
- 4418.91Other: Of bamboo
- 4418.92Other: Cellular wood panels
- 4418.99Other: Other
How it is structured
4418.21 is a six-digit subheading. Its first two digits, 44, are the chapter; the first four, 4418, are heading 44.18; the last two, 21, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Chapter 44
- Wood and articles of wood; wood charcoal
- Within the heading
- Doors and their frames and thresholds
- Subheading 4418.21
- Of tropical wood
In other countries
National tariff lines under 4418.21 are live on border.bot for the United States (3 lines, also used by 1 other country).
- United States3 lines, used by 1 other country
Frequently asked questions
What does HS code 4418.21 cover?
HS code 4418.21 covers doors and their frames and thresholds, of tropical wood.
Which heading and chapter is HS code 4418.21 in?
HS code 4418.21 is in heading 44.18 (builders' joinery and carpentry of wood, including cellular wood panels, assembled flooring panels, shingles and shakes) in chapter 44 (wood and articles of wood; wood charcoal).
Where are goods of heading 44.18 classified when 4418.21 doesn’t fit?
Other goods of heading 44.18 are classified under 4418.11 (windows, French windows and their frames, of tropical wood), 4418.19 (windows, French windows and their frames, other), 4418.29 (doors and their frames and thresholds, other), 4418.30 (posts or beams other than products of subheadings 4418.81 to 4418.89) and 13 others.
Which countries’ tariffs list national lines under HS code 4418.21?
National tariff lines under 4418.21 are live on border.bot for the United States (3 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.