</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Basalt Flagstones from Canada

Dense basalt flagstones for heavy-duty paving in public plazas and coastal walkways, valued for volcanic hardness. Classified in HTS 6801.00.00.00 as flagstones of natural stone (basalt, excluding slate).

Duty Rate — Canada → United States

12.8%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Test for radioactivity in volcanic stones like basalt to meet import safety standards

Document that stones are not from excluded Chapter 25 mineral categories

Bundle in stable formations to minimize breakage during ocean freight