Melamine-Impregnated MDF Tongue-and-Groove Wall Sheathing from United States
High-performance MDF sheathing boards exceeding 9mm, featuring continuous tongue-and-groove edges for structural wall framing. Impregnated edge-to-edge with melamine-formaldehyde synthetic resins for mold resistance. Classified under tariff item 4411.14.00 as medium density fibreboard over 9mm thick.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the melamine-formaldehyde resin content and thickness over 9mm
• Declare the edge treatment as part of the MDF profile, not as a separate article
• Keep records of resin type for CBSA verification