# United States tariff lines under HS 4418.91

> The United States tariff splits HS 4418.91 (other: Of bamboo) into 7 national lines: 4418.91.10.00 (drilled or notched lumber studs), 4418.91.91.05 (wood flooring), 4418.91.91.10 (arches, laminated), 4418.91.91.20 (roof trusses) and 3 others. The general (MFN) duty differs by line: free on 4418.91.10.00, 3.2% on 4418.91.91.05, 3.2% on 4418.91.91.10, 3.2% on 4418.91.91.20, 3.2% on 4418.91.91.40, 3.2% on 4418.91.91.50 and 3.2% on 4418.91.91.95.

Source: https://border.bot/countries/united-states/hs-codes/441891
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 44](https://border.bot/countries/united-states/hs-codes/44) / [4418.91](https://border.bot/countries/united-states/hs-codes/441891)

## Key facts

- HS subheading: [4418.91](https://border.bot/hs-codes/441891)
- National lines: 7
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 44: Wood and articles of wood; wood charcoal

## United States lines under 4418.91

The United States tariff splits HS 4418.91 (other: Of bamboo) into 7 national lines: 4418.91.10.00 (drilled or notched lumber studs), 4418.91.91.05 (wood flooring), 4418.91.91.10 (arches, laminated), 4418.91.91.20 (roof trusses) and 3 others.

The general (MFN) duty differs by line: free on 4418.91.10.00, 3.2% on 4418.91.91.05, 3.2% on 4418.91.91.10, 3.2% on 4418.91.91.20, 3.2% on 4418.91.91.40, 3.2% on 4418.91.91.50 and 3.2% on 4418.91.91.95.

- [4418.91.10.00](https://border.bot/countries/united-states/hs-codes/4418911000) Other, Of bamboo, Drilled or notched lumber studs. Duty (MFN): free
- [4418.91.91.05](https://border.bot/countries/united-states/hs-codes/4418919105) Other, Of bamboo, Other, Wood flooring. Duty (MFN): 3.2%
- [4418.91.91.10](https://border.bot/countries/united-states/hs-codes/4418919110) Other, Of bamboo, Other, Other, Arches, laminated. Duty (MFN): 3.2%
- [4418.91.91.20](https://border.bot/countries/united-states/hs-codes/4418919120) Other, Of bamboo, Other, Other, Roof trusses. Duty (MFN): 3.2%
- [4418.91.91.40](https://border.bot/countries/united-states/hs-codes/4418919140) Other, Of bamboo, Other, Other, Other fabricated structural wood members. Duty (MFN): 3.2%
- [4418.91.91.50](https://border.bot/countries/united-states/hs-codes/4418919150) Other, Of bamboo, Other, Other, Prefabricated partitions and panels for buildings. Duty (MFN): 3.2%
- [4418.91.91.95](https://border.bot/countries/united-states/hs-codes/4418919195) Other, Of bamboo, Other, Other, Other. Duty (MFN): 3.2%

## In other countries

No other national tariff on border.bot has live lines under 4418.91 yet.

- [The Harmonized System text for 4418.91](https://border.bot/hs-codes/441891)

- Previous subheading: [4418.89](https://border.bot/countries/united-states/hs-codes/441889) Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes
- Next subheading: [4418.92](https://border.bot/countries/united-states/hs-codes/441892) Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 4418.91?

The United States tariff splits HS 4418.91 (other: Of bamboo) into 7 national lines: 4418.91.10.00 (drilled or notched lumber studs), 4418.91.91.05 (wood flooring), 4418.91.91.10 (arches, laminated), 4418.91.91.20 (roof trusses) and 3 others.

### What is the duty on HS 4418.91 in the United States?

The general (MFN) duty differs by line: free on 4418.91.10.00, 3.2% on 4418.91.91.05, 3.2% on 4418.91.91.10, 3.2% on 4418.91.91.20, 3.2% on 4418.91.91.40, 3.2% on 4418.91.91.50 and 3.2% on 4418.91.91.95.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 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.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/441891.json