Polyurethane Construction Caulk from United States
Polyurethane construction caulk is a high-performance mastic used for exterior building joints. It remains elastic under movement, providing durable sealing. This product falls under tariff item 3214.10.90 as a caulking compound, not containing phenol-formaldehyde resin.
Duty Rate — United States → Canada
6.5%
Import Tips
• Ensure the product is classified as a caulking compound, not as a paint or coating
• Verify it does not contain phenol-formaldehyde resin
• Keep the product's technical data sheet for CBSA inspection