Damp-Proof Course Bitumen Fiberboard
Damp-proof course bitumen fiberboard, specialized for use in masonry to prevent moisture ingress, has a density of 0.35–0.5 g/cm³ and is bitumen-impregnated throughout. This product is not mechanically worked or surface-covered, fitting tariff item 4411.94.00. It is used in construction for damp-proofing applications.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the density exceeds 0.5 g/cm³
Higher-density fiberboard is classified under a different subheading.
If the product is medium-density fiberboard with density above 0.5 g/cm³
MDF with higher density falls under a specific subheading.
If the product is primarily a bituminous membrane
Bituminous products for roofing or damp-proofing are classified in Chapter 68.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product's density is within 0.35–0.5 g/cm³ and include this in the customs declaration
• Confirm that the fiberboard is not mechanically worked or surface-covered to avoid reclassification
• Check if the damp-proof course meets Canadian building regulations for moisture control
Related Products under Tariff item 4411.94.00
Acoustic Bitumen-Impregnated Fiberboard Panels
Acoustic bitumen-impregnated fiberboard panels designed for sound absorption, with a controlled density of 0.35–0.5 g/cm³. These panels are not mechanically worked or surface-covered, and the bitumen treatment enhances their acoustic and moisture-resistant properties. They qualify under tariff item 4411.94.00 as low-density fiberboard of wood or other ligneous materials.
Acoustic MDF Panel 12mm
Acoustic MDF panels with a density of 0.48 g/cm³, perforated for sound control in studios and theaters. Made from wood fibers bonded with resins, they fall under tariff item 4411.94.00 as fibreboard of a density not exceeding 0.5 g/cm³.
Bagasse Fiberboard 7mm
Bagasse fibreboard with a density of 0.44 g/cm³, made from sugarcane bagasse fibres for furniture and packaging. As a ligneous material, it qualifies as fibreboard under tariff item 4411.94.00.
Bagasse Fiberboard Wall Sheathing
Bagasse fiberboard wall sheathing is made from sugarcane bagasse, a ligneous agricultural residue, with a density of 0.35–0.5 g/cm³, used for exterior wall sheathing. It falls under tariff item 4411.94.00 as fiberboard of other ligneous materials, offering an eco-friendly alternative to wood-based boards.
Bamboo Fiberboard Panel 8mm
Bamboo fibreboard panels with a density of 0.47 g/cm³, made from bamboo fibres for decorative wall panels. Per Chapter 44 note 6, bamboo is treated as wood, so it falls under tariff item 4411.94.00.
Bitumen-Coated Roof Underlayment Fiberboard
Bitumen-coated roof underlayment fiberboard sheets, impregnated with bitumen and having a density of 0.35–0.5 g/cm³, serve as a moisture barrier in construction. These sheets are not mechanically worked or surface-covered, aligning with the tariff item's scope for low-density fiberboard. The bitumen treatment provides water resistance for roofing applications.