Artificial Stone Window Sills from Canada
Engineered stone sills for window frames, providing weatherproof exterior ledges. HTS 6810.99.00.80 covers these as other artificial stone building articles, beyond basic trim.
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
• Freeze-thaw cycle testing certificates essential
• Measure water absorption rates for customs
• Distinguish from Chapter 68 natural stone sills