Cement Sandwich Building Blocks from Germany
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.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify insulation material in docs; foam content under 20% keeps it as concrete block
• Comply with building insulation standards like R-value declarations
• Avoid classifying as 'prefab panels' to stay in blocks category