# HS code 4418.30: Posts and beams other than products of subheadings 4418.81 to 4418.89 > HS code 4418.30 covers posts and beams other than products of subheadings 4418.81 to 4418.89. 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), 4418.21 (doors and their frames and thresholds, of tropical wood), 4418.29 (doors and their frames and thresholds, other) or 13 others. Source: https://staging.border.bot/hs-codes/441830 Last updated: 13 October 2026 [HS codes](https://staging.border.bot/hs-codes) / [Chapter 44](https://staging.border.bot/hs-codes/44) / [44.18](https://staging.border.bot/hs-codes/4418) / [4418.30](https://staging.border.bot/hs-codes/441830) ## Key facts - HS code: 4418.30 - Covers: Posts and beams other than products of subheadings 4418.81 to 4418.89 - Heading: [44.18: Builders' joinery and carpentry of wood, including cellular wood panels, assembled flooring panels, shingles and shakes](https://staging.border.bot/hs-codes/4418) - Chapter: [44: Wood and articles of wood; wood charcoal](https://staging.border.bot/hs-codes/44) - Edition: HS2022 - Duty rates: [Set by each country’s tariff](https://staging.border.bot/countries) ## What this code covers HS code 4418.30 covers posts and beams other than products of subheadings 4418.81 to 4418.89. The legal text of the subheading is “Posts and beams other than products of subheadings 4418.81 to 4418.89”, 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), 4418.21 (doors and their frames and thresholds, of tropical wood), 4418.29 (doors and their frames and thresholds, other) or 13 others. - [4418.11](https://staging.border.bot/hs-codes/441811) Windows, French windows and their frames: Of tropical wood - [4418.19](https://staging.border.bot/hs-codes/441819) Windows, French windows and their frames: Other - [4418.21](https://staging.border.bot/hs-codes/441821) Doors and their frames and thresholds: Of tropical wood - [4418.29](https://staging.border.bot/hs-codes/441829) Doors and their frames and thresholds: Other - [4418.40](https://staging.border.bot/hs-codes/441840) Shuttering for concrete constructional work - [4418.50](https://staging.border.bot/hs-codes/441850) Shingles and shakes - [4418.73](https://staging.border.bot/hs-codes/441873) Assembled flooring panels: Of bamboo or with at least the top layer (wear layer) of bamboo - [4418.74](https://staging.border.bot/hs-codes/441874) Assembled flooring panels: Other, for mosaic floors - [4418.75](https://staging.border.bot/hs-codes/441875) Assembled flooring panels: Other, multilayer - [4418.79](https://staging.border.bot/hs-codes/441879) Assembled flooring panels: Other - [4418.81](https://staging.border.bot/hs-codes/441881) Engineered structural timber products: Glue-laminated timber (glulam) - [4418.82](https://staging.border.bot/hs-codes/441882) Engineered structural timber products: Cross-laminated timber (CLT or X-lam) - [4418.83](https://staging.border.bot/hs-codes/441883) Engineered structural timber products: I beams - [4418.89](https://staging.border.bot/hs-codes/441889) Engineered structural timber products: Other - [4418.91](https://staging.border.bot/hs-codes/441891) Other: Of bamboo - [4418.92](https://staging.border.bot/hs-codes/441892) Other: Cellular wood panels - [4418.99](https://staging.border.bot/hs-codes/441899) Other: Other ## How it is structured 4418.30 is a six-digit subheading. Its first two digits, 44, are the chapter; the first four, 4418, are heading 44.18; the last two, 30, 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 - Heading 44.18: Builders' joinery and carpentry of wood, including cellular wood panels, assembled flooring panels, shingles and shakes - Subheading 4418.30: Posts and beams other than products of subheadings 4418.81 to 4418.89 ## In other countries No national tariff lines under 4418.30 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 4418.30 at six digits and add their own digits after it. - Previous subheading: [4418.29](https://staging.border.bot/hs-codes/441829) Doors and their frames and thresholds: Other - Next subheading: [4418.40](https://staging.border.bot/hs-codes/441840) Shuttering for concrete constructional work ## Frequently asked questions ### What does HS code 4418.30 cover? HS code 4418.30 covers posts and beams other than products of subheadings 4418.81 to 4418.89. ### Which heading and chapter is HS code 4418.30 in? HS code 4418.30 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 4418.30 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), 4418.21 (doors and their frames and thresholds, of tropical wood), 4418.29 (doors and their frames and thresholds, other) or 13 others. ## Sources and updates The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026. This page was last updated on 13 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. Machine-readable: https://staging.border.bot/hs-codes/441830.json