USG Securock Glass Mineral Wool Insulation from United States
Fire-resistant glass mineral wool boards for shaft walls and plenums, tested to ASTM E84. They are insulation products made from glass wool with high silica content.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the glass wool meets the mineral wool definition in Chapter 70 note 4
• Provide ASTM E84 test results and material datasheets to CBSA for verification