Granite Road Base Aggregate from Canada
Granite road base aggregate is crushed granite stone graded for use in road metalling and base layers under asphalt or concrete pavements. Classified in HTS 2517.10.00 as broken or crushed stone designed for road construction applications. Often heat-treated to remove moisture and improve compaction.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include engineering specs showing use for road metalling (AASHTO M43 grading) to distinguish from decorative stone
• Document quarry source and crushing process; heat-treated granite requires processing certificates