Thermal Mass Concrete Blocks from Japan
Thermal mass concrete blocks are dense, unreinforced blocks designed to store and release heat for passive solar buildings. They are classified under tariff item 6810.11.00 as building blocks of cement, concrete, or artificial stone, per Chapter 68.
Duty Rate — Japan → Canada
3%
Import Tips
• Ensure the blocks are unreinforced; if they contain additives that change their nature, classification may vary
• Provide the CBSA with the block's density and thermal properties
• Verify compliance with Canadian energy efficiency standards for building materials