R-11 Unfaced Fiberglass Batt Insulation, 24-in x 96-in

Johns Manville Sound Control R-11 unfaced fiberglass batts deliver acoustic damping and thermal performance for 2x4 steel-stud interior walls. Precut to 24-in x 96-in for 8-ft walls, these formaldehyde-free batts are easy to press in place and cover 256 sq ft per package.

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Key Features:

• Acoustic Sound Control: Reduces sound transmission through interior walls for quieter rooms
• Precut Convenience: 24-in x 96-in batts sized for 8-ft walls with 24-in on-center studs
• Thermal Performance: R-11 fiberglass improves energy efficiency without a vapor retarder
• Durable, Noncorrosive: Will not rot or mildew and is safe for pipes, wiring, and metal studs
• Health & Sustainability: Formaldehyde-free and GREENGUARD Gold/SCS certified for indoor air quality

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Specifications Table:

Specification	Details
Series Name	Sound Control
Coverage Area	256 sq ft
Length	96 in
Width	24 in
Thickness	3.5 in
Faced/Unfaced	Unfaced
Fits 2 x 4 Walls	Yes
Fits 2 x 6 Walls	No
For Use in Basements	Yes
For Use in Walls	Yes
For Use in Attics	No
For Use in Ceilings	No
For Use in Floors	No
Framing Type	Steel studs
Insulation Type	Fiberglass
Maximum R-Value	R-11
R-Value per Inch	3.1429
Sound Barrier	Yes
Stud Spacing	24 in on center
Package Type	Multi-pack
Package Count	16 pieces
Multi-Pack Quantity	4
Total Package Quantity	64
Vapor Retardant	No
Formaldehyde Free	Yes
GREENGUARD Gold Certified	Yes
ENERGY STAR Certified	Yes
Warranty	1-year limited
Bag Dimensions (L x W x D)	24.5 x 20 x 49 in
UNSPSC	11162400

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Frequently Asked Questions (FAQ):

Q: How much area does this package cover?
A: 256 square feet total coverage.

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Q: Is there a built-in vapor barrier?
A: No. These are unfaced batts with no vapor retarder.

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Q: What wall construction is it intended for?
A: Precut for 2x4 steel-stud walls with 24-in on-center spacing and 8-ft height.

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Q: Can I add it over existing insulation?
A: Yes, unfaced batts can be added to existing insulation where appropriate building codes allow.

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Q: What certifications does it have?
A: Formaldehyde-free, GREENGUARD Gold Certified, and SCS Recycled Content certified.

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Whisper-Quiet Walls, Effortless Elegance

This unfaced R-11 batt creates a serene hush, turning busy interiors into calm, composed spaces. I love its tailored 24-by-96-inch profile—clean, linear, and ready to slip seamlessly into modern steel-stud walls. Pair it with smooth gypsum panels and a soft, matte paint palette to amplify tranquility room to room. It’s the discreet luxury that elevates comfort and refinement in everyday living.

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Create quieter, more efficient rooms today—choose JM Sound Control R-11 and insulate with confidence.