Solid Concrete Masonry Units (CMU) from Canada
Solid CMUs are dense concrete blocks without voids, molded from cement mixtures for high-strength foundation and retaining walls. Classified under HTS 6810.11.00 for their role as standard building bricks and blocks in construction.
Duty Rate — Canada → United States
13.2%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide test reports for minimum density (over 75% solid) to confirm classification as solid units
• Label shipments clearly as 'concrete building blocks' to prevent confusion with decorative tiles