</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Wallboard Joint Compound from Canada

Wallboard joint compound, or 'mud,' is a gypsum-based mastic for taping drywall seams. It provides smooth, paint-ready surfaces under HTS 3214.10.00 as painters' filling.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Specify gypsum vs vinyl formula to avoid Chapter 68 confusion

Include mold/mildew resistance documentation if claimed

Declare bucket sizes to distinguish pro vs retail packaging