Insulated Hollow Clay Blocks for Load-Bearing Walls from United States
Hollow clay blocks with internal insulation voids for load-bearing exterior walls, produced by high-temperature firing after shaping. The voids enhance thermal insulation while maintaining structural strength. They are classified under tariff item 6904.10.00 as building bricks.
Duty Rate — United States → Canada
3%
Import Tips
• Verify the blocks are fired at temperatures above 800°C to meet Chapter 69 requirements
• If the blocks are used for load-bearing walls, ensure they meet Canadian structural standards
• Provide the CBSA with the product's compressive strength and thermal performance data