Rubber-Based Silicone Caulking Compound from United States
Rubber-based silicone caulking compound is a sealant made from synthetic rubber polymers for sealing gaps in construction and bathroom applications. It is classified under tariff item 3214.90.00 as a caulking compound, providing weatherproofing for joints.
Duty Rate — United States → Canada
6.5%
Import Tips
• Confirm the product is not a silicone in primary forms, which would be classified in chapter 39
• Provide technical data to show it is a mastic for sealing
• Ensure the caulking is not a paint or varnish, which is excluded by chapter note 3