Sawn Limestone Building Blocks from Canada
These are rectangular limestone blocks, simply sawn with flat surfaces, used primarily for constructing exterior walls and facades in residential and commercial buildings. Classified under HTS 6802.29.10.00 as calcareous stone (limestone is primarily calcium carbonate) that is other than marble, travertine, or alabaster, and worked only by simple cutting or sawing without further shaping.
Duty Rate — Canada → United States
14.9%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify stone composition via geological testing to confirm it's calcareous (high calcium carbonate) and not marble/travertine to avoid reclassification
• Provide certificates of origin and quarry documentation proving simple sawing process without polishing or carving