Pressure-Treated Pine Shingles from Mexico
Sawn southern yellow pine shingles treated with micronized copper azole for enhanced durability in exterior applications. Falls under HTS 4418.50.0050 as 'other' untreated classification since treatment doesn't change base wood heading.
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 EPA/FIFRA treatment certifications and pressure treatment logs for customs clearance
• Separate treatment chemicals from wood classification to avoid heading 4412 reclassification
• Test for off-gassing compliance with VOC regulations during import