Owens Corning R-15 Thermafiber Fire and Sound Guard Plus Mineral Wool Insulation Batt, 3.5 in x 15 in x 47 inR 15 Thermafiber Fire & Sound Guard Plus Mineral Wool Batt Professional grade mineral wool batts engineered for 2x4 walls deliver R 15 thermal performance, superior sound control, and non combustible fire resistance. Unfaced batts are easy to cut and fit around irregularities while resisting moisture, mold, and corrosion for long term durability. Key Features: Thermal Performance R 15: Helps maintain comfort and energy efficiency in 2x4 walls. Fire &

R-15 Thermafiber Fire & Sound Guard Plus Mineral Wool Batt

Professional-grade mineral wool batts engineered for 2x4 walls deliver R-15 thermal performance, superior sound control, and non-combustible fire resistance. Unfaced batts are easy to cut and fit around irregularities while resisting moisture, mold, and corrosion for long-term durability.

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Key Features:

• Thermal Performance R-15: Helps maintain comfort and energy efficiency in 2x4 walls.
• Fire & Safety: Non-combustible mineral wool provides fire resistance and does not corrode.
• Sound Dampening: Dense fibers reduce noise transfer between rooms and exterior walls.
• Easy Installation: Unfaced batts cut cleanly with a serrated knife and expand to fit snugly.
• Durable & Mold Resistant: Inorganic fibers resist mold and moisture; 70% recycled content.

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Insulation Type	Mineral Wool Insulation
Roll or Batt	Batt
Insulation R-Value	R15
Faced or Unfaced	Unfaced
Product Thickness (in.)	3.5 in
Product Width (in.)	15 in
Product Length (ft.)	3.91 ft
Product Length (in.)	47 in
Number of Pieces	8
Pack Size	1
Product Weight (lb.)	32.01 lb
Coverage Area per Bag	39.20 sq ft
Compatible Install Surface	Wood, Plywood
Insulation Location	2x4 Wall; Between Walls; Ceiling; Crawlspace; Exterior Wall; Interior Wall
Bag Size	3.91 ft x 15 in x 16 in
Warranty	3-Year Limited Warranty
Features	Fire Resistant; Mold Resistant; Moisture Retardant; Soundproofing; Non-corrosive; Non-combustible
Recycled Content	Approximately 70% (ICC-ES verified)

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Frequently Asked Questions (FAQ):

Q: How many batts are in a bag and what area does it cover?
A: Each bag contains 8 batts covering approximately 39.2 sq ft.

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Q: What wall framing is this size intended for?
A: Designed for 2x4 wood stud walls with cavity dimensions of 3.5 in x 15 in x 47 in.

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Q: Is this product faced or unfaced?
A: Unfaced batts—no vapor retarder attached.

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Q: Can I cut the batts to fit around obstacles?
A: Yes. Use a serrated knife; the batts are easy to cut for custom fitting around boxes, pipes, and wiring.

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Q: Where can it be installed?
A: Suitable for interior and exterior walls, ceilings, basements, crawl spaces, and between walls.

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Quiet Strength with Fire-Safe Confidence

These mineral wool batts bring a refined calm to interiors, softening acoustics while fortifying walls with fire-safe resilience. Their clean, uniform profile slips neatly into 2x4 framing, creating a tailored envelope that elevates comfort. Pair them with smooth drywall and natural wood finishes to craft spaces that feel serene and secure. It’s a discreet essential that underpins luxurious living with performance you can feel.

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Upgrade your walls with R-15 Thermafiber batts for quieter, safer, energy-smart comfort—add to cart today.

Warranty

Installation