Pressure-Treated Pine Shingles from Canada
Southern yellow pine shingles treated with micronized copper azole (MCA) for rot and insect resistance, sawn to uniform dimensions. Commonly used for exterior siding in humid climates. Falls under 4418.50.00 as wood shingles despite chemical treatment if primarily wood product.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include EPA or ICC-ES treatment certification to prove compliance with US building preservatives standards
• Declare treatment type accurately; excessive chemicals could trigger hazardous material surcharges
• Test for off-gassing before container loading to prevent fumigation issues at ports