</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
6810.11.00.70/Thermal Mass Concrete Blocks/Canada

Thermal Mass Concrete Blocks from Canada

Dense concrete blocks designed to store and release heat for passive solar buildings. Classified HTS 6810.11.00.70 as unreinforced artificial stone building blocks. High thermal capacity from specific aggregates.

Duty Rate — Canada → United States

13.2%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Calculate with your customs valueVerify classification with AI

Import Tips

• Certify aggregate types for thermal claims; R-value docs optional

• Ensure uniformity for LEED credits

Thermal Mass Concrete Blocks from Canada — Import Duty Rate | HTS 6810.11.00.70