Thermafiber Fire and Sound Guard Plus R15 - All Sizes Insulation
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Owens Corning R15 Thermafiber Fire and Sound Guard Plus - All Sizes

SKU: 1307044ZONE1

Est Delivery between and .

If you require delivery to ID, MT, OR or WA, please select that delivery zone as pricing and delivery to those states may vary.

Thermafiber® Fire & Sound Guard® Plus mineral wool insulation is designed to provide excellent thermal, noise control, and fire resistance in residential and light commercial construction applications. Fire & Sound Guard® Plus can be used in a variety of applications, including interior and exterior walls, ceilings, basement walls, and crawl spaces. These products are non-combustible, moisture-resistant, non-corrosive, non-deteriorating, and mold-resistant.

 Size Sq Ft Per Bag Batts Per Bag R-Value
3.5" x 15" x 47" 39.2 8 Wood
3.5" x 16" x 48" 42.67 8 Steel
3.5" x 23" x 47" 60.06 8 Wood
3.5" x 24" x 48" 64 8 Steel



  • Measure & Cut — Fire & Sound Guard® Plus insulation is easy to cut with a serrated knife for custom fitting around electrical boxes, pipes, duct-work, wiring, or between non-standard studs and joists.
  • Squeeze & Insert — Fire & Sound Guard® Plus insulation is flexible and pliable; simply squeeze the sides to compress the insulation and insert into the desired wall.
  • Release & Expand — Once in place, Fire & Sound Guard® Plus insulation naturally expands to fill in the space, creating a snug, custom fit.

Key Features: 

  • Designed for interior and exterior wall applications
  • Energy-saving thermal insulation
  • Exceptional sound and noise absorption 
  • Fire-resistant 
  • Easy to install  

Product Applications:

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

Est Delivery between and .

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.