Adjustable Manhole Ring Frame Set from United States
Stackable non-malleable cast iron rings and a frame used to adjust manhole depths in municipal sewer systems. The rings allow height customization while the frame secures the cover, and the product is classified as other cast articles of non-malleable cast iron.
Duty Rate — United States → Canada
56%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Confirm the rings and frame are shipped as a set to qualify for a single tariff classification
• Provide technical drawings showing non-malleable cast iron composition for CBSA review
• Check if municipal standards (e.g
• EN 124) are required for Canadian projects