Pressure-Treated 4x4 Fence Posts from Canada
Standard 4x4 inch sawn posts, CCA pressure-treated to UC4A ground contact standard, 8-12 feet lengths. Common for residential fencing; HTS 4421.99.70 despite treatment due to fencing specificity.
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
• Include AWPA UC4A treatment certification with each shipment
• Tag posts with treatment date and chemical retention for traceability
• Store vertically during customs hold to prevent ground contact leaching