Bitumen Sealed MDF Construction Sheathing Board
Density-controlled fiberboard (0.35-0.5 g/cm³) fully impregnated with bitumen for use as exterior sheathing in framing, providing weatherproofing. Meets HTS 4411.94.00.30 criteria for medium density and bitumen impregnation. Used in residential and commercial building envelopes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made from bamboo or rattan instead of wood
Bamboo-based plyboards classify under 4412 per Chapter 44 notes including woody materials.
If density exceeds 0.8 g/cm³
High-density fiberboards (>0.8 g/cm³) shift to 4411.14 regardless of impregnation.
If sold as pre-formed shutter components
Shaped into formwork or shutters, it becomes classified joinery under 4418.40.
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
• Submit third-party lab reports confirming density range and bitumen penetration depth
• Avoid common pitfall of density mismeasurement by using calibrated equipment per ASTM standards
• Ensure CARB Phase 2 certification for formaldehyde to prevent CBP holds
Related Products under HTS 4411.94.00.30
Bitumen Impregnated Medium Density Fiberboard Roof Underlayment
This medium density fiberboard (MDF), with density between 0.35-0.5 g/cm³, is impregnated with bitumen to enhance water resistance and durability for use as roof underlayment. It falls under HTS 4411.94.00.30 due to its specific density range and bitumen impregnation, distinguishing it from higher density or untreated fiberboards. Commonly used in construction for protecting roofs from moisture penetration.
Bitumen Impregnated Fiberboard Soundproofing Panels
Medium density fiberboard panels (0.35-0.5 g/cm³) impregnated with bitumen for improved acoustic insulation and moisture resistance in wall applications. Classified under HTS 4411.94.00.30 for its density and bitumen treatment, which enhances sound absorption properties. Ideal for interior construction and studio dividers.
Bitumen Impregnated Low-Weight Partition Board
Light medium-density fiberboard (exceeding 0.35 but ≤0.5 g/cm³) impregnated with bitumen for interior partitions, offering fire resistance and humidity protection. Precisely fits HTS 4411.94.00.30 due to density specs and bitumen content. Common in office and healthcare facility dividers.
Waterproof Bitumen Fiberboard Subfloor Panels
Medium density (0.35-0.5 g/cm³) fiberboard panels impregnated with bitumen to prevent moisture damage in subflooring applications. Classified under HTS 4411.94.00.30 for its specific impregnation and density profile. Essential for wet-area flooring in bathrooms and kitchens.
Bitumen Treated MDF Exterior Cladding Panels
Fiberboard cladding with density 0.35-0.5 g/cm³, bitumen impregnated for outdoor weather resistance in siding applications. HTS 4411.94.00.30 applies due to precise density and treatment specs. Used for aesthetic and protective building facades.
Industrial Bitumen Impregnated Backer Board
Medium density fiberboard (0.35-0.5 g/cm³) with bitumen impregnation used as backer for tile in high-moisture industrial settings. Fits HTS 4411.94.00.30 for density and bitumen specs. Provides structural support and waterproofing.