Polystyrene Foam Insulation Panels from Canada
Extruded polystyrene (XPS) foam panels designed for building wall and roof insulation. Falls under 3921.11.00.00 as cellular sheets of styrene polymers, confirmed by predominant styrene content. Provides high R-value thermal resistance.
Duty Rate — Canada → United States
15.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include technical specs showing cellular structure and styrene polymer certification
• Check for size limits under US note for heading 3921 special rates
• Avoid blending with other polymers exceeding 5% threshold