Tongue-and-Groove MDF Subfloor Underlayment from Mexico
Ultra-thin 3.6mm MDF panels with interlocking tongue-and-groove edges, used as underlayment beneath vinyl flooring in wall-to-wall building floor preparations. Classified HTS 4411.12.3000 for construction-dedicated thin MDF despite floor use interpretation under wall/ceiling/other parts.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document as 'building parts' even for floor applications; CBP interprets broadly for construction
• Include thickness caliper measurements and edge profile diagrams in entry docs
• Formaldehyde labeling mandatory for all interior building products