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Softwood Underlayment Fiberboard Sheet from Japan

Low-density fiberboard sheets (≤0.5 g/cm³) from spruce-pine-fir (S-P-F) fibers for flooring underlayment. HTS 4411.94.0080 as other low-density, per Chapter 44 S-P-F note applicability. Provides cushioning under hardwood or laminate flooring.

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

Specify S-P-F origin if applicable; mixed spruce/pine/fir qualifies per 4407.13 note extended to fiberboard

Thickness gauging critical; too rigid may classify as 4411.93 higher density

Moisture content testing prevents warping claims during import inspection