Wood Fiber Acoustic Ceiling Tiles from Canada
Perforated fiberboard panels (0.35-0.5 g/cm³ density) designed for sound absorption in suspended ceilings, made from agglomerated wood fibers. Classified under HTS 4411.94.00.40 as low-density 'other' fiberboard. Perforations and fissures enhance acoustic properties for office/commercial use.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include acoustic performance test data and density certification in entry documents
• Distinguish from mineral fiber tiles (6811) by emphasizing wood fiber composition
• Avoid classification as finished 'panels' (4418) by documenting as raw acoustic substrate material