Slate Building Slabs
Slate building slabs are roughly cut into rectangular form from Welsh quarries for building cladding and monumental memorials. They are not processed into roofing or damp course slates, which are excluded under Chapter 25. The product is merely cut by sawing, keeping it within the scope of heading 25.16 as other monumental or building stone.
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 slate is worked into roofing, facing, or damp course slates.
Chapter 68 covers worked slate products.
If the slate is in the form of crude or roughly trimmed blocks, not cut into rectangular slabs.
Heading 25.14 covers slate in its crude or roughly trimmed state.
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
• Confirm that the slate slabs are not processed into roofing slates or damp course slates, which are excluded under Chapter 25
• Provide CBSA with documentation showing the slabs are only roughly cut and not further worked
• If the slate is intended for roofing, it should be classified under heading 68.03 instead
Related Products under Tariff item 2516.90.00
Basalt Exterior Wall Slab
Basalt exterior wall slabs are heavy slabs over 7.5 cm thick, cut rectangular for cladding exterior walls of commercial buildings. They are roughly trimmed or sawn, with no further processing, which aligns with heading 25.16. Basalt is specifically mentioned in the heading, and the product falls under the 'other' category as it is not granite or porphyry.
Bluestone Slabs
Bluestone slabs are a type of sandstone that has been merely cut by sawing into rectangular shapes for use in patios and building steps. They are not processed beyond cutting, which aligns with the scope of heading 25.16 for monumental or building stone. The product is in a crude state and has not been subjected to any further treatment such as polishing or chemical alteration.
Gneiss Cladding Slab
Gneiss cladding slabs are metamorphic stone slabs thicker than 7.5 cm, rectangular sawn for exterior cladding in public monuments. They are not processed beyond cutting, which meets the crude state requirement of Chapter 25. Gneiss is a type of monumental or building stone that falls under the 'other' category of heading 25.16.
Heavy Sandstone Building Slab
Heavy sandstone building slabs are rectangular slabs over 7.5 cm thick, roughly sawn for use in constructing exterior walls or facades in monumental architecture. They are merely cut by sawing, with no further processing, which aligns with heading 25.16. Sandstone is explicitly mentioned in the heading, and the product falls under the 'other' category as it is not granite or porphyry.
Indiana Limestone Building Blocks
Indiana limestone building blocks are roughly trimmed and cut into rectangular shapes by sawing, intended for constructing building facades and walls. They are not subjected to any processing beyond cutting, keeping them within the crude state required by Chapter 25. The blocks are a form of monumental or building stone, specifically limestone, which is not otherwise excluded by the chapter notes.
Limestone Monumental Slabs
Bedford limestone slabs are cut into rectangular shapes for use in gravestones and memorials, representing monumental stone. They are merely cut by sawing and not further processed, which meets the requirements of heading 25.16. The product is in a crude state, with no polishing or other finishing applied.