Vermiculite Concrete Roof Insulation Deck from Japan
Precast concrete panels with exfoliated vermiculite aggregate for lightweight roofing. Falls under HTS 6806.90.00 as insulating articles incorporating expanded minerals.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Aggregate composition (% vermiculite) must demonstrate insulating functionality
• Structural engineering specs differentiate from regular concrete products