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Exceptional fire performance

Why choose mineral wool insulation?

Thermafiber® FireSpan® mineral wool insulation products are designed to provide enhanced fire protection in curtain wall and perimeter fire containment systems.

Thermafiber® FireSpan® mineral wool insulation

Specifications & Literature

When Life Safety Matters Most

Owens Corning® Thermafiber® is committed to providing solutions that help the commercial building professional confidently design, specify, and install durable perimeter fire containment systems for commercial structures.

Performance Attributes

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Fire Resistance

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Acoustic Properties

Applications

  • Facades > Metal
  • Passive Fire Protection
  • Walls

Contact Us

Even though we’re a global company, we’re always ready to answer your questions. Call to speak with an Owens Corning representative.