Pre-notched Fire-Rated Studs from United States
2x6 Douglas fir lumber studs pre-notched for wiring with intumescent sealant channels for 1-hour fire-rated wall assemblies. The notching and sealant channels qualify as specialized builders' joinery.
Duty Rate — United States → Canada
3%
Import Tips
• Document the intumescent sealant and fire-rating certification
• Ensure notches are factory-made for wiring
• Provide fire-test reports for CBSA