Import duty / Chapter 68 / Heading 6810
Heading 6810 covers 4 tariff lines in LoadLoom's table; 3 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 6810.11 | Cement, concrete or artificial stone; building blocks or bricks, whether or not reinforced | 3.2% | 3% | Free with certificate |
| 6810.19 | Cement, concrete or artificial stone; tiles, flagstones and similar, (excluding building blocks and bricks) whether or not reinforced | 4.9% | 5% | Not eligible |
| 6810.91 | Cement, concrete or artificial stone; prefabricated structural components for building or civil engineering, whether or not reinforced | Free | 5% | Free with certificate |
| 6810.99 | Cement, concrete or artificial stone; articles (other than prefabricated structural components for building or civil engineering), whether or not reinforced, n.e.c. in heading no. 6810 | Free | 5% | Free with certificate |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
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Chapter 68: Stone, plaster, cement, asbestos, mica or similar materials; articles thereof · Every chapter
