Rockwool Comfortbatt Fire-Resistant Insulation from Japan
Stone wool batts with an R-23 rating, used for fire-resistant walls and offering superior sound absorption. Although stone wool, they are classified as glass wool equivalent under the tariff if they meet the silica content criteria. They fall under this tariff item as articles of glass wool.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm the stone wool meets the silica content and alkaline oxide requirements of Chapter 70 note 4
• Provide product specifications and fire-resistance ratings for CBSA review
• Check if the product is classified as mineral wool under heading 68.06 instead