Tuff Monumental Blocks
Tuff monumental blocks are volcanic tuff stone blocks, rectangular sawn for ancient-style monuments and walls. The stone is soft enough for carving but hardens on exposure, and is merely cut by sawing, classifying under tariff item 2516.90.00 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 tuff is further worked (e.g., carved, dressed)
Further processing moves the product to Chapter 68 for worked monumental or building stone.
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 the tuff is not mixed with other materials or processed beyond sawing
• Provide a geological description to support classification as volcanic tuff
• Check if the stone is considered a building stone, which is covered by the heading
Related Products under Tariff item 2516.90.00
Basalt Exterior Wall Slab
Basalt exterior wall slabs are heavy basalt slabs over 7.5 cm thick, cut rectangular for cladding exterior walls of commercial buildings. They are merely cut by sawing, without further processing. This tariff item covers other monumental or building stone not specifically named elsewhere in the chapter.
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 considered monumental or building stone in the crude state, not subjected to processing beyond cutting. This tariff item covers such stone that is not specifically named elsewhere in the chapter.
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 in a crude state, merely cut by sawing, and not subjected to further processing. This tariff item covers other monumental or building stone not specifically named elsewhere in the chapter.
Greenstone Building Blocks
Greenstone building blocks are metamorphic greenstone blocks sawn rectangular for eco-architecture and memorials. The stone contains chlorite, giving it a green hue and durability, and is merely cut by sawing, classifying under tariff item 2516.90.00 as other monumental or building stone.
Heavy Sandstone Building Slab
Heavy sandstone building slabs are rectangular sandstone 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, without further processing. This tariff item covers other monumental or building stone not specifically named elsewhere in the chapter.
Indiana Limestone Building Blocks
Indiana limestone building blocks are roughly trimmed blocks cut into rectangular shapes by sawing, used primarily for constructing building facades and walls. They are a form of monumental or building stone that has not been processed beyond cutting. This tariff item covers limestone that is not specifically named elsewhere in the chapter.