Reinforced Concrete Interlocking Blocks
Interlocking blocks with embedded steel rebar for enhanced stability in seismic zones, made of vibrated concrete. Still under HTS 6810.11.00 if primarily concrete and classified as basic building blocks.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If steel reinforcement dominates the structure
Primarily metal assemblies are classified in Chapter 73 by material composition.
If prefabricated into wall panels
Advanced prefabricated concrete units beyond blocks go to 6810.91.
If made primarily of cement boards
Cement-faced boards or plates are in 6809, not block forms.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Declare reinforcement percentage; if under 5%, remains in 6810.11.00—otherwise review for 6810.91
• Require structural engineering specs for customs valuation and anti-dumping checks
Related Products under HTS 6810.11.00
Concrete Hollow Building Blocks
These are precast hollow blocks made from Portland cement, aggregates, and water, used primarily for constructing walls in residential and commercial buildings. They fall under HTS 6810.11.00 as building blocks of concrete, designed for load-bearing and non-load-bearing masonry applications.
Lightweight Concrete Building Bricks
Lightweight bricks produced with expanded clay aggregates or foam in a cement matrix, ideal for partition walls due to reduced weight. They qualify under HTS 6810.11.00 as concrete bricks for building purposes.
Autoclaved Aerated Concrete (AAC) Blocks
AAC blocks are lightweight, precast concrete with air-entraining agents, steam-cured for insulation and fire resistance in modern buildings. HTS 6810.11.00 covers these as concrete building blocks.
Cement Sandwich Building Blocks
Sandwich blocks with a concrete core and insulating foam layers bonded by cement, used for energy-efficient walls. Classified in HTS 6810.11.00 as composite concrete building blocks.
Vibrated Concrete Paver Bricks
Dense, vibrated concrete bricks for pedestrian pavements and driveways, with textured surfaces for grip. Under HTS 6810.11.00 when used as building bricks rather than decorative tiles.
High-Strength Concrete Curb Bricks
Heavy-duty concrete bricks for street curbs and gutters, molded with high cement ratios for durability. Fits HTS 6810.11.00 as specialized building bricks.