Mold-Resistant Purpleboard Drywall from United States
Purple paper-faced gypsum designed for mold-prone environments, with antimicrobial treatment in the core and paper. The paper is the only reinforcement, and the antimicrobial properties are part of the plaster composition, fitting tariff item 6809.11.00.
Duty Rate — United States → Canada
6%
Import Tips
• Be prepared to explain that antimicrobial treatments do not constitute additional reinforcement
• Keep technical documentation showing the paper is the sole facing material
• Check if the product meets Canadian building codes for mold resistance