Autoclaved Aerated Concrete (AAC) Blocks from Japan
Autoclaved aerated concrete (AAC) blocks are lightweight precast concrete units containing air voids, produced with cement, lime, sand, and an expanding agent, then steam-cured under pressure. They are used for wall construction and insulation, and meet the definition of building blocks of concrete under tariff item 6810.11.00.
Duty Rate — Japan → Canada
3%
Import Tips
• Confirm the blocks are not reinforced and are classified as building blocks
• Provide technical data sheets to support the concrete composition
• Verify that the product meets Canadian building standards