Reinforced Concrete Interlocking Blocks from Canada
Interlocking blocks with embedded steel rebar for enhanced stability in seismic zones, made of vibrated concrete. Still under HTS 6810.11.00 if primarily concrete and classified as basic building blocks.
Duty Rate — Canada → United States
13.2%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Declare reinforcement percentage; if under 5%, remains in 6810.11.00—otherwise review for 6810.91
• Require structural engineering specs for customs valuation and anti-dumping checks