HDF Subfloor Underlayment Sheet
High-density fiberboard sheets for subfloor underlayment in construction, >0.8 g/cm³ density, oil-treated surface only for water resistance. Stabilizes flooring installations. Classified 4411.92.20.00 as other untreated HDF.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with tongue-and-groove edges installed
Profiled flooring panels become joinery under 4418 if end-use ready.
If asbestos-free asphalt-impregnated boards
Impregnated boards shift to 6807 for composite materials.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include screw-holding strength test data for construction compliance
• Ensure no wax/paraffin additives beyond 3% binder limit per notes
Related Products under HTS 4411.92.20.00
High-Density Fiberboard (HDF) Panel 1220x2440mm
High-density fiberboard (HDF) made from wood fibers bonded with resins, with a density exceeding 0.8 g/cm³, used for furniture and cabinetry cores. It lacks surface covering except for possible oil treatment, distinguishing it from laminates or veneered boards. Classified under 4411.92.20.00 as other fiberboard not surface-covered.
HDF Door Skin Blank 2135x915mm
Unfinished high-density fiberboard blanks sized for interior door skins, density over 0.8 g/cm³, not coated except possibly oil-treated for moisture resistance. Used by door manufacturers before final painting or laminating. Fits 4411.92.20.00 as other uncoated HDF.
HDF Flush Door Blank 7x36 Inch
Flush-style high-density fiberboard door blanks for painting/staining, density exceeding 0.8 g/cm³, no surface treatment beyond oil, sized for residential doors. Raw material for door fabricators. HTS 4411.92.20.00 applies to this uncoated category.
HDF Shelf Board 3050x1220mm
Extra-long high-density fiberboard panels for shelving applications in retail fixtures, density exceeding 0.8 g/cm³, bare surface with optional oil impregnation. Not suitable for direct consumer exposure without further finishing. Under 4411.92.20.00 for uncoated high-density types.
HDF Core Stock 18mm Thickness
18mm thick high-density fiberboard core material for laminated flooring underlay or furniture cores, density >0.8 g/cm³, untreated surface except oil. Provides structural rigidity before overlay application. Classed in 4411.92.20.00 as other bare HDF.
HDF Cabinet Back Panel 16mm
16mm high-density fiberboard panels cut for modular cabinet backs, density >0.8 g/cm³, bare with oil option for handling. Provides dust barrier in furniture assembly. 4411.92.20.00 for non-surface-covered HDF.