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Thermafiber® SAFB™ Mineral Wool Batts | Owens Corning Insulation
Owens Corning

Exceptional sound control and fire protection

Why choose mineral wool insulation?

Thermafiber® SAFB™ (Sound Attenuation Fire Blankets) are mineral wool insulation batts designed to provide sound control and fire protection within a variety of UL® fire-rated wall designs and floor-ceiling assemblies. Thermafiber® SAFB™ is available formaldehyde-free.

Key Features of these Mineral Wool Batts:

  • Sound Control – Reduces noise between rooms and floors for better living comfort
  • Acoustic Performance – Improves STC (Sound Transmission Class) ratings
  • Fire Resistant – Mineral wool helps slow fire spread and meets key safety standards
  • Durable & Safe – Non-combustible and mold-resistant for long-term reliability
  • 70% Recycled Content – Compatible with LEED® and green building goals
Download Product Data Sheet
Mineral wool insulation

Performance Attributes

Mineral wool insulation batts contribute to acoustic performance by helping reduce noise between rooms and floors. These sound attenuation fire blankets provide fire resistance for interior wall and floor systems and comply with NFPA 101 Class A-rated interior finish requirements. Owen Corning’s mineral wool batt insulation resists mold and mildew, supporting long-term material durability. A formaldehyde-free option is available for projects with heightened indoor air quality goals, such as healthcare or education settings. These mineral wool batts additionally meet ASTM C665 Type 1 standards.

Acoustic performance icon

Acoustic Performance

Fire Resistance icon

Fire Resistance

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Mold and Mildew Resistance

Applications

Mineral wool insulation batts are used throughout the home to improve comfort, reduce noise, and support fire resistance. In ceilings and floors, this mineral wool product helps limit sound between levels. Within interior walls, mineral wool batt insulation assists with acoustic separation between rooms, making it ideal for bedrooms, home offices, and shared living spaces. These sound attenuation fire blankets can be installed in both steel stud and wood-framed construction, offering flexibility across different types of interior wall and floor/ceiling assemblies.



  • Interior Acoustics
  • Interior Acoustics > Ceilings
  • Interior Acoustics > Floors
  • Interior Acoustics > Interior Walls
  • Walls

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