19mm Structural MDF from Canada
Engineered structural medium density fiberboard rated for floor/roof sheathing, 19mm thickness with enhanced bending strength. HTS 4411.14.90.90 classification for thick MDF panels.
Duty Rate — Canada → United States
13.9%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Structural rating requires span tables/engineered design certification
• OSB-like appearance but fiber construction stays in 4411
• Load duration factors affect allowable stresses; declare grade stamp equivalent