Pre-notched Fire-Rated Studs from Japan
2x6 Douglas fir lumber studs pre-notched for wiring with intumescent sealant channels for 1-hour fire-rated wall assemblies. HTS 4418.99.10.00 applies as these are drilled/notched specifically for builders' carpentry in fire-resistant construction. The notches maintain structural integrity while meeting code requirements.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Obtain fire-rating test documentation from manufacturer for customs verification
• Ensure kiln-dried certification (KD19) for dimensional stability claims
• Avoid bundling with metal components to prevent set classification issues