HS Heading 4418 : Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes
HEADING DEFINITION & DISAMBIGUATION
HS Heading 4418 encompasses builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes. It classifies 18 6-digit WCO subheadings within Chapter 44 under the Harmonized System [USITC HTS 2026].
Subheadings Under Heading 4418
| HS Code | WCO 6-Digit Subheading Description | Chapter | Operational Package |
|---|---|---|---|
| 4418.11 | Windows, French-windows and their frames, Of tropical wood | 44 | View 4418.11 Package → |
| 4418.19 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Windows, French-windows and their frames, Other | 44 | View 4418.19 Package → |
| 4418.21 | Doors and their frames and thresholds, Of tropical wood | 44 | View 4418.21 Package → |
| 4418.29 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Doors and their frames and thresholds, Other | 44 | View 4418.29 Package → |
| 4418.30 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Posts and beams other than products of subheadings 4418.81 to 4418.89 | 44 | View 4418.30 Package → |
| 4418.40 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Formwork (shuttering) for concrete constructional work | 44 | View 4418.40 Package → |
| 4418.50 | Shingles and shakes | 44 | View 4418.50 Package → |
| 4418.73 | Assembled flooring panels, Of bamboo or with at least the top layer (wear layer) of bamboo | 44 | View 4418.73 Package → |
| 4418.74 | Assembled flooring panels, Other, for mosaic floors | 44 | View 4418.74 Package → |
| 4418.75 | Assembled flooring panels, Other, multilayer | 44 | View 4418.75 Package → |
| 4418.79 | Assembled flooring panels, Other | 44 | View 4418.79 Package → |
| 4418.81 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Engineered structural timber products, Glue-laminated timber (glulam) | 44 | View 4418.81 Package → |
| 4418.82 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Engineered structural timber products, Cross-laminated timber (CLT or X-lam) | 44 | View 4418.82 Package → |
| 4418.83 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Engineered structural timber products, I-beams | 44 | View 4418.83 Package → |
| 4418.89 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Engineered structural timber products, Other | 44 | View 4418.89 Package → |
| 4418.91 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Other, Of bamboo | 44 | View 4418.91 Package → |
| 4418.92 | Other, Cellular wood panels | 44 | View 4418.92 Package → |
| 4418.99 | Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, Other, Other | 44 | View 4418.99 Package → |
DISAMBIGUATION & CLASSIFICATION GUIDE
How to Select the Correct Subheading Under Heading 4418
Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.
Official Primary Sources & Authority References
USITC HTS Heading 4418 ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
CBP e-Rulings database for Heading 4418 precedent rulings.
WCO Nomenclature ↗
World Customs Organization Harmonized System 2022 nomenclature standard.
U.S. Census Foreign Trade ↗
U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.
Heading 4418 Frequently Asked Questions (FAQ)
What commercial articles are grouped under HS Heading 4418?
HS Heading 4418 covers Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, grouping 18 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 4418?
Subheadings under Heading 4418 range from 4418.11 to 4418.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 4418?
US MFN general duty rates for Heading 4418 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.
Are Section 301 tariffs applicable to goods under Heading 4418?
Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).
What PGA message set flags apply to Heading 4418?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 4418?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 4418 enter duty-free under USMCA?
Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Heading 4418?
Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.
What documents are required for formal customs entry of Heading 4418?
Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer get a binding CBP classification ruling for Heading 4418?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.