Bitumen Impregnated Fiberboard Soundproofing Panels from United States
Bitumen-impregnated fiberboard soundproofing panels, with a density of 0.35–0.5 g/cm³, are treated with bitumen for improved acoustic insulation and moisture resistance. These panels are not mechanically worked or surface-covered, qualifying under tariff item 4411.94.00. They are used in wall applications for soundproofing.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the density is within the specified range and provide acoustic performance data if available
• Confirm the panels are not surface-covered or mechanically worked to maintain classification
• Verify that the product meets Canadian building codes for acoustic insulation