Owens Corning Thermafiber Fire & Sound Guard Plus mineral wool insulation delivers exceptional thermal performance, sound control, and fire resistance for residential and light commercial projects. Available in all sizes and designed for interior and exterior walls, ceilings, basement walls, and crawl spaces; delivery to ID, MT, OR or WA may vary by zone.

Key Features & Design

• Mineral wool insulation designed to provide excellent thermal, noise control, and fire resistance in residential and light commercial construction applications.
• Non-combustible, moisture-resistant, non-corrosive, non-deteriorating, and mold-resistant.
• Designed for interior and exterior wall applications.
• Energy-saving thermal insulation with exceptional sound absorption and fire resistance.
• Easy to install.
• Product Applications: Ceilings, Floors, Interior Acoustics > Ceilings; Interior Acoustics > Floors; Interior Acoustics > Interior Walls; Walls
• Size Sq Ft Per Bag Batts Per Bag
• 7.1" x 15" x 47" 14.7 3
• 7.1" x 23" x 47" 22.5 3

Installation

• 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.