MDF Casing Door Trim Molding

Medium density fiberboard casing molding for door and window frames, thickness 23/32 inch base (exceeding 5mm not exceeding 9mm), with colonial profile. Classified under HTS 4411.13.90.10 as standard wood molding from ligneous materials agglomerated with resins. Commonly used in residential interior trim applications.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.9%+35.0%38.9%
🇲🇽Mexico3.9%+10.0%13.9%
🇨🇦Canada3.9%+10.0%13.9%
🇩🇪Germany3.9%+10.0%13.9%
🇯🇵Japan3.9%+10.0%13.9%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4411.12Lower: 13.9% vs 38.9%

If thickness not exceeding 5 mm

Thinner MDF sheets or moldings under 5mm classify in subheading 4411.12.

4421.91.70Lower: 35% vs 38.9%

If surface-covered with plastic laminate

Laminated or veneered moldings move to Chapter 44 heading 4421 for worked wood with added surface layers.

4412.10.90Lower: 35% vs 38.9%

If made from particle board instead of fiberboard

Particle board (low/high density) moldings classify under heading 4412, differentiated by manufacturing process.

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Import Tips & Compliance

Declare exact thickness measurement method (caliper vs nominal); CBP measures at thinnest point excluding profile

Ensure no metal fasteners included, or they may trigger Chapter 83 classification

Formaldehyde content certification required for residential end-use; non-compliant MDF faces detention

Related Products under HTS 4411.13.90.10

Primed MDF Baseboard Molding

Primed medium density fiberboard (MDF) baseboard molding with a thickness of 15/32 inch (about 12 mm, but profiled sections classified by base thickness exceeding 5mm not exceeding 9mm), used for interior wall base trim. This falls under HTS 4411.13.90.10 as standard wood molding made from MDF, a reconstituted wood product bonded with resins. The primed surface facilitates painting after installation.

Unprimed MDF Crown Molding

Unfinished medium density fiberboard crown molding for ceiling-wall transitions, 5.5mm base thickness with egg-and-dart profile. This standard wood molding product under HTS 4411.13.90.10 uses MDF bonded with organic resins from wood fibers. Ideal for paint-grade architectural millwork.

MDF Chair Rail Molding

Medium density fiberboard chair rail molding to protect walls from furniture, thickness 3/4 inch nominal (profiled to 5-9mm base). HTS 4411.13.90.10 covers this as other standard MDF molding not elsewhere specified. Provides classic wainscoting accent when painted.

Primed MDF Window Stool Molding

Primed MDF window stool/apron molding for sill extensions, 19/32 inch thickness (exceeding 5mm not exceeding 9mm). Standard wood molding per HTS 4411.13.90.10 made from resin-bonded wood fibers. Used in colonial-style window treatments.

MDF Flat Stock Molding Trim

Flat sawn medium density fiberboard molding stock for custom profiling, thickness 23/32 inch. Falls under HTS 4411.13.90.10 as other standard MDF wood molding. Used by millwork shops for bespoke trim production.