Construction-Grade Bitumen LDF Sheathing Panels from Japan
Low-density fiberboard sheathing panels treated with bitumen impregnation for exterior moisture protection, density 0.35-0.5 g/cm³. HTS 4411.94.00.10 applies to this not mechanically worked, not surface covered product of wood fibers. Standard size for wall sheathing in framing.
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
• Include technical data sheets proving density range and impregnation method
• Ensure panels remain unsanded/unsurfaced to qualify for .00.10
• Watch for anti-dumping duties on certain wood fiberboard origins