Acoustic Wall Mastic Sealant from Canada
Sound-dampening mastic for sealing drywall joints, non-hardening. HTS 3214.10.00.20 as wall surfacing mastic. Reduces noise transmission.
Duty Rate — Canada → United States
13.7%
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
• ASTM E90 sound tests for claims
• Non-toxic certs for interior use
• Avoid 'foam' terms to stay mastic