Roof Ventilation Microporous PP Ridge Film from United States
Microporous polypropylene film for roof ridge vents, allowing attic moisture to escape. As a cellular sheet of polypropylene, it is classified under tariff item 3921.19.00 as 'of other plastics'.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the film is cellular and not a solid sheet
• If the product is shaped or cut to fit specific ridge vents, it may be classified as an article of plastics (heading 39.26)
• Provide technical specifications to the CBSA to confirm the microporous structure