HS Code 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)
The 6-digit Harmonized System (HS) code for 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) is 4418.81. Under the 2026 United States (USITC HTS), the representative MFN general duty rate is 3.2% [USITC HTS 2026].
Import Duty Rates by Destination
MODULE 5: US IMPORT DUTY & FEE BREAKDOWN (LANDED COST STACK)
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 4418.81
Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 4418.81.
MODULE 6: Mandatory Customs Entry Document Matrix
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
Certificate of Origin (If Claiming FTA)
Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| P | United States-Mexico-Canada Agreement (USMCA) | Free | Must meet USMCA Regional Value Content (RVC) or tariff shift rules. |
| KR | U.S.-Korea Free Trade Agreement (KORUS) | Free | Direct shipment from South Korea with KORUS Certificate of Origin. |
| AU | U.S.-Australia Free Trade Agreement | Free | Wholly obtained or tariff shift rule under US-Australia FTA. |
| A / D | GSP / African Growth & Opportunity Act (AGOA) | Free | 35% local value-add requirement for beneficiary country origin. |
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: Official CBP CROSS Binding Classification Rulings
No ruling cached for HS 4418.81.
Query the live U.S. Customs and Border Protection e-Rulings database:
Search Live CBP CROSS Database for 4418.81 →US National HTS Tariff Lines (4418.81)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 4418.81.00.00 | 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) | 3.2% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 33 1/3% | kg |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 4418.11 | Subheading under Heading 4418 | Compare Subheading 4418.11 → |
| 4418.19 | Subheading under Heading 4418 | Compare Subheading 4418.19 → |
| 4418.21 | Subheading under Heading 4418 | Compare Subheading 4418.21 → |
| 4418.29 | Subheading under Heading 4418 | Compare Subheading 4418.29 → |
| 4418.30 | Subheading under Heading 4418 | Compare Subheading 4418.30 → |
| 4418.40 | Subheading under Heading 4418 | Compare Subheading 4418.40 → |
| 4418.50 | Subheading under Heading 4418 | Compare Subheading 4418.50 → |
| 4418.73 | Subheading under Heading 4418 | Compare Subheading 4418.73 → |
MODULE 13: Industry Classification & Crosswalk Mesh (NAICS & Schedule B)
Official Primary Sources & Authority References
USITC HTS Chapter 44 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for 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).
CBP CROSS Ruling Database (4418.81) ↗
Binding customs classification precedents for Heading 4418.