Chapter 4410 — Customs Tariff Headings

Birch Particle Board Sanded Panel

This is sanded particle board panels composed of birch wood chips and flakes bound with synthetic resins, measuring 1220x2440mm in standard size. It falls under tariff item 4410.11.00 as unworked wood particle board limited to sanding.

Eucalyptus Particle Board Sanded Slab

This is large-format sanded slabs of particle board from fast-growing eucalyptus wood particles, bound with phenolic resins for stability. It falls under tariff item 4410.11.00 as basic sanded form used in trailer flooring and industrial applications.

Furniture Core Particle Board 16mm

This is a 16mm standard particle board from mixed softwood particles, sanded for flush overlay in cabinet construction. It falls under tariff item 4410.11.00 as unfaced, sanded-only particle board of wood.

Furniture Core Particle Board 5/8 Inch

This is a 5/8 inch thick particle board panel manufactured for furniture carcasses and shelving. It is made from wood particles agglomerated with interior-grade resins, which qualifies it as particle board of wood under tariff item 4410.11.00.

Low-Density Pine Particle Board 9mm

This is a 9mm lightweight particle board from pine sawdust and shavings, sanded for shelving applications in ready-to-assemble furniture. It falls under tariff item 4410.11.00 as unworked particle board of wood, with density around 550 kg/m³.

Low-Emission E0 Particle Board 1/2 Inch

This is a 1/2 inch thick E0 grade particle board with ultra-low formaldehyde emissions, made from select wood particles and bio-resins. It falls under tariff item 4410.11.00 as particle board of wood agglomerated with organic binding substances.

MDF Particle Board 4x8 Sheet 3/4 Inch

This is a medium density fiberboard (MDF) made from wood fibers agglomerated with resins, cut into standard 4x8 foot sheets with 3/4 inch thickness. Although described as MDF, it is classified as particle board under tariff item 4410.11.00 because it is made of wood particles agglomerated with resins.

Mixed Hardwood Particle Board 18mm Thick

This is an 18mm thick particle board from mixed hardwood particles (oak, maple, beech), sanded smooth for flatness, agglomerated with urea-formaldehyde resin. It falls under tariff item 4410.11.00 as unfaced, unsized wood particle board.

Moisture-Resistant MR Particle Board 18mm

This is an 18mm moisture-resistant particle board with added waxes and special resins for bathroom and kitchen applications. It falls under tariff item 4410.11.00 as particle board of wood, regardless of moisture-resistant additives.

OSB-Free Pine Particle Board Underspan

This is sanded particle board sheets specifically graded for underlayment use, made from pine wood particles with moisture-resistant resins. It falls under tariff item 4410.11.00 as particle board not further worked than sanded.

OSB Particle Board Sheathing 7/16 Inch

This is oriented strand board (OSB) made from wood strands oriented in layers and bonded with resins, primarily 7/16 inch thick for wall sheathing. Although OSB is included in the heading, it falls under a different subheading than particle board, so it is not classified under tariff item 4410.11.00.

Recycled Wood Particle Board 3/4 Inch

This is particle board manufactured from 100% post-consumer recycled wood waste, agglomerated with recycled resins, in standard 3/4 inch thickness. It falls under tariff item 4410.11.00 as particle board of wood, regardless of recycled content.

Standard Pine Particle Board 4x8 Sheet

This is a 3/4-inch thick sheet of particle board made from pine wood particles agglomerated with resins, sanded on both faces but otherwise unworked. It falls under tariff item 4410.11.00 as particle board of wood that is not further worked than sanded.

Underlayment Particle Board 1/4 Inch

This is a thin 1/4 inch particle board designed for flooring underlayment, made from wood particles compressed with waterproof resins. It falls under tariff item 4410.11.00 as basic particle board of wood without special orientation.

Waferboard Construction Panel 23/32 Inch

This is waferboard panels made from large wood wafers randomly oriented and bonded with phenolic resins, 23/32 inch thick for roof and wall sheathing. It falls under tariff item 4410.11.00 as similar board of wood particles.

19/32-inch OSB Wall Sheathing

19/32-inch oriented strand board specifically for exterior wall sheathing, sanded finish, with square edges and high strength-to-weight ratio. Falls under tariff item 4410.12.00 as sanded OSB of wood, agglomerated with binding substances.

23/32-inch OSB Roof Sheathing Panels

Oriented strand board panels at 23/32 inch thickness, sanded surface, designed specifically for roof decking with enhanced span ratings. Classified under tariff item 4410.12.00 as unworked or sanded OSB made from wood flakes and resins.

5/8-inch OSB Subfloor Panels

Sanded 5/8-inch thick oriented strand board panels rated for subflooring applications, with tongue-and-groove edges for seamless installation. Classified under tariff item 4410.12.00 as wood-based OSB not further worked than sanded.

7/16-inch Oriented Strand Board (OSB) Sheathing

Structural oriented strand board measuring 7/16 inch thick, sanded on one side, used primarily for wall sheathing and roof underlayment in residential construction. Falls under tariff item 4410.12.00 as OSB of wood.

APA Rated OSB Roof Sheathing

Performance-rated OSB panels certified by APA for roof sheathing applications, featuring cross-oriented strand layers for superior strength. Bonded with phenolic resins for moisture resistance. Falls under tariff item 4410.12.00 as oriented strand board.

APA Rated Sturd-I-Floor OSB Panels

APA trademarked Sturd-I-Floor OSB panels, sanded, 23/32-inch thick with tongue-and-groove edges for combination subfloor/underlayment. Classified under tariff item 4410.12.00 as oriented strand board of wood, unworked beyond sanding.

Exposure-1 Rated OSB Sheathing

Oriented strand board rated Exposure-1 for limited water exposure during construction, sanded surface, typically 7/16-inch for sheathing. Classified under tariff item 4410.12.00 as sanded wood OSB bound with resins, suitable for siding.

Exterior Grade OSB Siding Panels

Exterior-grade OSB panels formulated for siding applications with enhanced moisture and weather resistance. Oriented strand construction provides dimensional stability superior to standard plywood. Classified under tariff item 4410.12.00 as OSB.

Heavy-Duty OSB Pallet Stock

Thick OSB panels used for constructing heavy-duty wooden pallets and shipping platforms. High-density oriented strands provide nail-holding strength for industrial packaging. Classified under tariff item 4410.12.00 as unmodified OSB sheets.

Industrial OSB Packaging Panels

OSB sheets used in manufacturing large industrial crates and shipping containers. Engineered for repeated nailing and high load-bearing in logistics applications. Classified under tariff item 4410.12.00 as unmodified OSB product.

OSB Exposure 1 Sheathing

OSB panels rated Exposure 1 for temporary weather exposure during construction, with waterproof glue lines. Standard oriented strand construction throughout thickness. Classified under tariff item 4410.12.00 as construction-grade OSB.

OSB Radiant Barrier Sheathing

OSB panels with factory-applied reflective foil facing to reduce heat transfer in roof applications. Core remains standard oriented strand board per definition. Classified under tariff item 4410.12.00 despite the foil facing.

OSB Subfloor Panels

OSB panels engineered for use as subflooring in wood-framed buildings, with tongue-and-groove edges for seamless installation. Constructed from precisely oriented wood strands bonded with waterproof resins. Classified under tariff item 4410.12.00.

OSB Web Stock for I-Joists

Large-format OSB sheets used as web material in engineered wood I-joists for floor and roof systems. Features high strength-to-weight ratio from oriented strand technology. Classified under tariff item 4410.12.00 as unmodified OSB sheathing.

Structural OSB Sheathing Panels

Oriented strand board panels specifically designed for wall and roof sheathing in residential construction. Made from wood strands oriented in layers and bonded with resins under heat and pressure, meeting APA-rated structural requirements. Classified under tariff item 4410.12.00.

Birch Wood Chipboard

Birch wood chipboard is a type of particle board made from birch wood chips and flakes bonded with urea-formaldehyde resin. It is commonly used for shelving and cabinet backs, and falls under tariff item 4410.19.00 as 'other' particle board of wood, not meeting the specific definitions of OSB or waferboard.

Eucalyptus Wood Flakeboard

Eucalyptus wood flakeboard is a particle board made from eucalyptus wood flakes agglomerated with phenolic resins, used in structural subflooring and wall sheathing. It falls under tariff item 4410.19.00 as a non-OSB wood particle board variant, with typical sheet sizes of 12mm or more.

MDF-Core Particle Board

MDF-core particle board is a hybrid panel with a particle board core surfaced with medium density fiberboard (MDF), used for painted furniture components. It remains primarily particle board of wood under tariff item 4410.19.00 before lamination or other surface treatments are considered.

Mixed Hardwood Particle Board

Mixed hardwood particle board is made from mixed hardwood sawdust and shavings, agglomerated with synthetic resins for flat-pack furniture applications. It falls under tariff item 4410.19.00 as other wood-based particle board excluding OSB, and is often finished with veneers or laminates.

Poplar Strawboard Particle Panel

Poplar strawboard particle panel is an engineered board combining poplar wood particles with straw fibers, bound by resins for economical furniture core stock. It falls under tariff item 4410.19.00 as other wood particle board, per chapter notes including ligneous materials.

Recycled Wood Particle Board

Recycled wood particle board is manufactured from 100% recycled wood waste including sawdust and shavings, bound with low-emission resins. It falls under tariff item 4410.19.00 as wood particle board, and the recycled origin does not change the classification.

Sanded Eucalyptus Particle Board Shelf Board

Sanded eucalyptus particle board shelf board is made from eucalyptus wood particles bound with resins and sanded smooth. It falls under tariff item 4410.19.00 as wood particle board, commonly used for shelving and furniture flat-pack components, and is not further worked beyond sanding.

Sanded Hem-Fir Waferboard Panel

Sanded hem-fir waferboard panel is a waferboard made from hem-fir mixed stands per subheading note 4407.14, sanded but unworked further. It is classified under tariff item 4410.19.00 as similar board of wood, used in roofing and siding sheathing.

Sanded Industrial Particle Board Corestock

Sanded industrial particle board corestock is a heavy-duty particle board from mixed wood for industrial corestock applications, sanded smooth. It falls under tariff item 4410.19.00 as unworked particle board of wood, serving as base material for laminated panels in furniture manufacturing.

Sanded Mixed Softwood Particle Board

Sanded mixed softwood particle board is made from mixed spruce-pine-fir (S-P-F) particles, agglomerated with organic binders and sanded only. It falls under tariff item 4410.19.00 as unworked wood particle board, ideal for cabinetry substrates and furniture components.

Sanded OSB Structural Sheathing Panel

Sanded OSB structural sheathing panel is oriented strand board made from layered wood strands bonded with resins, sanded for surface uniformity but unworked otherwise. It falls under tariff item 4410.19.00 as OSB of wood not further processed than sanding.

Sanded Pine Particle Board 4x8 Sheet

Sanded pine particle board 4x8 sheet is a standard 3/4-inch thick particle board made from pine wood particles agglomerated with resins, sanded on both faces for smoothness but otherwise unworked. It is classified under tariff item 4410.19.00 as particle board of wood.

Sanded Poplar OSB Subfloor Panel

Sanded poplar OSB subfloor panel is oriented strand board from poplar wood strands, resin-bound and sanded for flatness, unworked further. It fits tariff item 4410.19.00 as OSB of wood not exceeding sanding, designed for subflooring in residential construction.

Standard Pine Particle Board

Standard pine particle board is made from pine wood particles agglomerated with resins, used primarily for furniture construction and interior paneling. It falls under tariff item 4410.19.00 as it is neither oriented strand board (OSB) nor waferboard, and is a common wood particle board.

Underlayment Particle Board

Underlayment particle board is a smooth-surfaced particle board designed for flooring underlayment, with grooves for adhesive bonding, made from softwood particles. It classifies under tariff item 4410.19.00 as other wood particle board despite its application-specific design.

Bamboo Particle Board Panel

A particle board panel manufactured from bamboo fibers and particles bound with resins, used in eco-friendly furniture and paneling. Under Chapter 44 Note 6, bamboo is treated as wood for classification purposes, and this product is agglomerated with organic binders, placing it under this tariff item as 'other' particle board of wood.

Industrial OSB Subfloor Panel

Heavy-duty oriented strand board (OSB) panels engineered for industrial subflooring with high load-bearing capacity. OSB is a similar board of wood agglomerated with resins, and this product is not specifically named in other headings, so it falls under this tariff item as 'other'.

OSB Structural Sheathing Panel

Oriented strand board (OSB) panels made from wood strands oriented in layers and bonded with resins, rated for structural sheathing in construction. This product is a similar board of wood agglomerated with organic binders, and as it is not elsewhere specified, it falls under this tariff item as 'other'.

Recycled Wood Chipboard

Chipboard manufactured from recycled wood chips and shavings agglomerated with urea-formaldehyde resins for general panel uses. This product is a particle board of wood agglomerated with organic binding substances, and since it is not specifically named in other headings, it is classified under this tariff item as 'other'.

Underlayment Particle Board

Particle board specifically designed for flooring underlayment, made from wood particles bonded with waterproof resins for subfloor stability. This product is a particle board of wood agglomerated with resins, and as it is not elsewhere specified, it falls under this tariff item as 'other'.