Basalt Flagstones
Dense basalt flagstones for heavy-duty paving in public plazas and coastal walkways, valued for volcanic hardness. Classified in HTS 6801.00.00.00 as flagstones of natural stone (basalt, excluding slate).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pebblestone or gravel form
Loose or rounded natural stones are Chapter 25 pebbles, not shaped flagstones.
If calcite or agglomerated
Processed or composite stone uses different worked headings.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Test for radioactivity in volcanic stones like basalt to meet import safety standards
• Document that stones are not from excluded Chapter 25 mineral categories
• Bundle in stable formations to minimize breakage during ocean freight
Related Products under HTS 6801.00.00.00
Granite Flagstones
Polished granite flagstones cut into flat, rectangular slabs for outdoor paving paths and patios. Classified under HTS 6801.00.00.00 as flagstones of natural stone (granite, excluding slate), specifically shaped and sized for paving purposes.
Limestone Curbstones
Rough-hewn limestone curbstones designed for edging driveways and sidewalks, providing structural boundaries. Falls under HTS 6801.00.00.00 as curbstones of natural stone (limestone, not slate), cut to standard edging dimensions.
Sandstone Setts
Cubic sandstone setts used for laying cobblestone streets and garden paths, offering durable, textured surfaces. HTS 6801.00.00.00 covers these as setts of natural stone (sandstone except slate), precisely cut into small blocks.
Quartzite Curbstones
Metamorphic quartzite curbstones for high-end landscaping, resistant to weathering and erosion. HTS 6801.00.00.00 includes these as curbstones of natural stone (quartzite, not slate), roughly squared for edging.
Travertine Setts
Porous travertine setts for rustic patios and walkways, prized for natural veining. Falls under HTS 6801.00.00.00 as setts of natural stone (travertine except slate).
Bluestone Flagstones
Pennsylvania bluestone flagstones, split natural slabs for premium patios and steps. HTS 6801.00.00.00 for flagstones of natural stone (bluestone/sandstone, excluding slate).