Firestop Mineral Wool
Loose-fill mineral wool packed in bulk for firestopping penetrations in walls and floors. HTS 6806.10.00 bulk mineral wools for heat-insulating uses.
Import Duty Rates by Country of Origin
More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If preformed firestop pillows/blocks
Molded into articles for fire protection under 6811.
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Import Tips & Compliance
• UL listing for fire rating must be documented separately
• Sold loose only; bagged preforms may be 6811
Related Products under HTS 6806.10.00
Rock Wool Insulation Batt
Rock wool batts are made from spun molten rock fibers, formed into flexible sheets or rolls for thermal and acoustic insulation in buildings. Classified under HTS 6806.10.00 as rock wool in sheets or rolls, excluding finished articles of heading 6811 or 6812.
Slag Wool Bulk Fiber
Loose slag wool fibers derived from blast furnace slag, supplied in bulk for use in insulation mixes or as filler in construction. HTS 6806.10.00 covers slag wool and similar mineral wools explicitly in bulk form.
Mineral Wool Roll Insulation
Flexible rolls of intermixture slag and rock wool fibers designed for attic and wall insulation applications. Falls under 6806.10.00 for mineral wools in rolls, prior to assembly into finished panels.
Basalt Rock Wool Sheet
Sheets of basalt-based rock wool, a natural mineral fiber product used for fire-resistant insulation in HVAC systems. HTS 6806.10.00 includes all similar mineral wools in sheet form.
Acoustic Mineral Wool Roll
Rolls of high-density mineral wool optimized for sound absorption in studios and theaters, supplied in bulk rolls. Classified in 6806.10.00 as sound-insulating mineral wools in rolls.
Industrial Slag Wool Bulk
Bulk slag wool for industrial furnace linings and high-temperature insulation, intermingled with rock wool fibers. HTS 6806.10.00 for bulk mineral wools used in heat-insulating applications.