OSB Exposure 1 Sheathing from United States
OSB panels rated Exposure 1 for temporary weather exposure during construction, with waterproof glue lines. Standard oriented strand construction throughout thickness. Classified under tariff item 4410.12.00 as construction-grade OSB.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the Exposure 1 rating is documented on the panels
• Ensure the panels are not further processed beyond sanding or edge profiling
• Provide product specifications to CBSA to support classification