Perforated Concrete Partition Blocks from Canada
These concrete blocks feature holes for wiring or piping, ideal for interior partition walls in commercial buildings. Under HTS 6810.11.00.70 as other unreinforced concrete building blocks for construction. Perforations aid installation without altering classification.
Duty Rate — Canada → United States
13.2%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Detail perforation specs and load ratings in entry docs to justify building block status
• Test for uniformity; non-compliant blocks risk rejection under construction material regs