Asphalt-Interlaminated Vapor Barrier Paper from Japan
Asphalt-interlaminated vapor barrier paper is a composite paper with internal asphalt lamination, designed to block vapor transmission in building envelopes. It is not surface-coated, and the internal reinforcement qualifies it under tariff item 4807.00.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Verify the paper is not surface-coated, as that would reclassify it
• Provide CBSA with technical specifications showing the asphalt is internal
• Confirm the product is in rolls or sheets meeting the tariff's dimensions