Standard Ceramic Chimney Bricks from Mexico
Fired ceramic bricks shaped for chimney construction, providing weather resistance and structural integrity. HTS 6904.90 covers these as other ceramic building bricks, excluding true refractory linings.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include chimney building code compliance certificates
• Distinguish outer shell bricks from inner refractory liners