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Coquina Building Stone Blocks from Canada

Coquina, shell-derived calcareous limestone, trimmed into rectangular blocks for coastal architecture and monuments. Density ≥2.5 qualifies it under HTS 2515.20.00.00 as other calcareous building stone.

Duty Rate — Canada → United States

13%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Fossil content documentation helps prove natural calcareous origin

Saltwater exposure history may require cleaning certificates

Measure bulk density accurately; porous varieties might fall below 2.5 threshold