R-21 Thermafiber Fire & Sound Guard Plus Mineral Wool Batts, 16 packs

Owens Corning Thermafiber Fire and Sound Guard Plus delivers R-21 thermal performance with superior fire and acoustic control for residential and light commercial walls. Semi‑rigid mineral wool batts are easy to cut and fit into 2x6 wood stud cavities, resisting moisture, mold, and deterioration for long-lasting comfort.

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Key Features:

• Triple Protection: Thermal R-21 performance plus fire resistance and exceptional sound control
• Easy Fit Batts: Semi‑rigid mineral wool cuts cleanly and installs snugly around irregularities
• Durable & Safe: Non‑combustible, non‑corrosive, moisture‑ and mold‑resistant construction
• Sustainable Choice: Contains up to 70% recycled content, ICC‑ES verified
• Versatile Applications: Ideal for interior/exterior walls, ceilings, basements, and floors

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Insulation Type	Mineral Wool Insulation
R-Value	R21
Faced or Unfaced	Unfaced
Roll or Batt	Batt
Product Thickness	5.5 in
Product Width	23 in
Product Length	47 in (3.91 ft)
Bag Size	3.91 ft x 23 in x 19 in
Number of Pieces	16 bags
Cover Area Per Bag	45.04 sq ft
Total Coverage Area	720.64 sq ft
Compatible Install Surface	Plywood
Insulation Location	2x6 Wall
Product Weight	41.29 lb
Pallet Width	48 in
Pallet Depth	48 in
Pallet Height	92 in
Pallet/Pack Quantity	1
Warranty	3 Year Limited Warranty

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Frequently Asked Questions (FAQ):

Q: Is this insulation faced or unfaced?
A: Unfaced mineral wool batts.

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Q: What wall framing is it designed for?
A: Sized for 2x6 wood stud walls; each batt is 5.5 in. thick, 23 in. wide, and 47 in. long.

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Q: How many bags are included and what is the total coverage?
A: This pallet includes 16 bags; coverage per bag is approximately 45.04 sq. ft. (total around 720.64 sq. ft.).

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Q: Can I cut the batts to fit around pipes and boxes?
A: Yes—use a serrated knife; batts are easy to trim and fit around obstacles.

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Q: Is the product non-combustible and mold resistant?
A: Yes—mineral wool is non-combustible (ASTM E136) and tested mold resistant (ASTM C1338).

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Quiet, Fire‑Smart Comfort for Modern Walls

These R‑21 mineral wool batts bring a refined calm to the home, softening sound while wrapping walls in resilient thermal protection. The semi‑rigid texture creates a precise, tailored fit that looks as smart as it performs. Layer it behind bold architectural finishes in bedrooms or media rooms for a whisper‑quiet backdrop. It’s a discreet luxury—fire‑resistant, durable, and effortlessly elevated.

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Upgrade your walls with Thermafiber Fire & Sound Guard Plus for quieter, safer, energy‑smart comfort—add to cart today.

Warranty

Installation