IPBC Drywall Mold Preventer from Canada
Penetrating primer/sealer with IPBC for new drywall installations in humid areas, packaged in gallon cans for retail home improvement stores. Specifically formulated as fungicide under 3808.92.50.40 due to IPBC active ingredient.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Building code compliance documentation (ASTM D3273 mold resistance) supports classification
• Separate from paint primers by declaring fungicidal function and IPBC content on commercial invoice
• Fire rating certificates required if marketed for commercial building applications