Insulated Hollow Clay Blocks for Load-Bearing Walls from Canada
Hollow clay blocks with internal insulation voids for load-bearing exterior walls, produced by high-temperature firing after shaping. Falls under HTS 6904.10.00.40 as other hollow building bricks essential for energy-efficient construction.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Certify structural load ratings and compressive strength to support building brick classification
• Ensure no metallic reinforcements, as those might classify as Chapter 73 articles
• Document water absorption under 3% if stoneware-like to differentiate from earthenware exclusions