R-15 Thermafiber Fire & Sound Mineral Wool Batts (16 Packs)

Owens Corning Thermafiber Fire and Sound Guard Plus batts deliver R-15 thermal performance with exceptional fire resistance and sound control. These unfaced mineral wool batts fit 2x4 walls and are easy to cut and install around irregularities for a snug fit in interior or exterior walls.

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Key Features:

• Triple Protection: Combines thermal insulation, superior sound attenuation, and fire resistance in one product.
• Durable Mineral Wool: Non-combustible, moisture-resistant, mold-resistant, and non-corrosive for long-term performance.
• Easy Installation: Unfaced batts are simple to cut and fit around outlets, pipes, and non-standard stud spacing.
• Optimized for 2x4 Walls: 3.5 in. thickness sized for wood studs; each bag covers about 60 sq. ft.
• Sustainable Choice: Contains up to 70% recycled content, verified by ICC-ES.

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Insulation Type	Mineral Wool Insulation
R-Value	R-15
Form	Batt
Faced or Unfaced	Unfaced
Intended Install Location	2x4 Wall; Interior and Exterior Walls
Compatible Install Surface	Plywood
Product Thickness	3.5 in.
Product Width	23 in. (web variant also lists 24 in.)
Product Length	47 in. (3.91 ft)
Pieces per Bag	8 pieces per bag (60.06 sq ft coverage per bag)
Number of Bags in Pack	16
Coverage Area (Total)	720 sq ft per 16-bag pallet
Bag Size	3.9 ft x 23 in x 16 in
Pallet Dimensions	48 in W x 48 in D x 92 in H
Pallet Weight	785 lb
Product Weight	49.05 lb
Features	Fire resistant, mold resistant, non-corrosive, moisture-resistant, non-deteriorating
Recycled Content	Approximately 70% recycled content (ICC-ES verified)
Warranty	3-Year Limited Warranty

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Frequently Asked Questions (FAQ):

Q: What size framing is this insulation designed for?
A: These R-15 unfaced mineral wool batts are 3.5 in. thick and fit standard 2x4 wood-stud walls.

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Q: Is the product fire rated?
A: Yes. Mineral wool is naturally non-combustible and meets ASTM E136 for non-combustibility.

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Q: Can it help with sound control?
A: Yes. Thermafiber provides excellent sound attenuation for bedrooms, bathrooms, and media rooms.

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Q: Is it difficult to cut and install?
A: No. Use a serrated knife to measure, cut, squeeze, and insert; the batts expand for a snug fit.

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Q: Is the insulation faced?
A: No, these are unfaced mineral wool batts.

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Quiet Strength, Fire-Smart Warmth

This insulation is the silent hero behind walls—elevating comfort while keeping the aesthetic calm and collected. Its mineral wool composition delivers a tailored, architectural feel with crisp, dense batts that install neatly. Pair it with natural wood finishes and matte paints to heighten acoustic serenity in bedrooms or home theaters. Consider it an essential layer of luxury living—where performance and poise meet.

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

Warranty

Installation