Establishments primarily engaged in manufacturing mineral wool and
mineral wool insulation products made of such siliceous materials as rock,
slag, and glass, or combinations thereof. Establishments primarily engaged in
manufacturing asbestos insulation products are classified in Industry 3292,
and those manufacturing textile glass fibers are classified in Industry 3229.
- Acoustical board and tile, mineral wool
- Fiberglass insulation
- Glass wool
- Insulation: rock wool, fiberglass, slag, and silica minerals
- Mineral wool roofing mats
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