Knauf Insulation EcoBatt R-11 Unfaced Fiberglass Insulation Batts, 3.5 in. x 23.25 in. x 93 in., 240.25 Sq. Ft. (8 Bags)EcoBatt R 11 Unfaced Fiberglass Insulation Batts, 3. 5 x 23. 25 x 93 in EcoBatt R 11 unfaced fiberglass batts deliver reliable thermal and sound control for walls and floors. Sized 3. 5 in. x 23. 25 in. x 93 in., this bundle covers 240. 25 sq. ft. across 8 bags and uses formaldehyde free ECOSE technology for better indoor air quality. Key Features: Thermal Performance: R 11 rating for exterior walls and interior partitions ECOSE Technology:

EcoBatt R-11 Unfaced Fiberglass Insulation Batts, 3.5 x 23.25 x 93 in

EcoBatt R-11 unfaced fiberglass batts deliver reliable thermal and sound control for walls and floors. Sized 3.5 in. x 23.25 in. x 93 in., this bundle covers 240.25 sq. ft. across 8 bags and uses formaldehyde-free ECOSE technology for better indoor air quality.

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Key Features:

• Thermal Performance: R-11 rating for exterior walls and interior partitions
• ECOSE Technology: Formaldehyde-free binder supports healthier indoor air
• Acoustic Comfort: Helps reduce noise transfer between rooms and floors
• Easy to Handle: Soft, less itchy batts that cut and friction-fit between studs
• Sustainable Content: Made with recycled glass and naturally brown, dye-free binder

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Insulation type	Fiberglass batt
Product series	EcoBatt
R-value	R-11
Facing	Unfaced
Thickness	3.5 in
Width	23.25 in
Length	93 in
Total coverage	240.25 sq ft (8 bags)
Binder	Formaldehyde-free ECOSE technology
Recycled content	Minimum 50% post-consumer (third-party certified)
Acoustic use	Helps reduce sound transmission in interior walls and floors
Available widths (reference)	15.25 in, 16 in, 19 in, 23.25 in, 24 in
Fire rating (reference)	ASTM E136
Application	Wood or metal framing; new construction or retrofit

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Frequently Asked Questions (FAQ):

Q: Is this insulation faced or unfaced?
A: Unfaced—ideal where a separate vapor retarder is not required.

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Q: What are the batt dimensions?
A: Each batt is 3.5 in. thick, 23.25 in. wide, and 93 in. long.

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Q: How much area does the package cover?
A: Total coverage is approximately 240.25 square feet across 8 bags.

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Q: Is the product formaldehyde-free?
A: Yes, it uses ECOSE technology with a formaldehyde-free binder.

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Q: Where can I use R-11 batts?
A: Commonly used in 2x4 exterior walls and interior walls for thermal and sound control; follow local codes.

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Quiet Comfort, Naturally Refined

EcoBatt’s whisper-soft fibers tuck neatly into stud bays, creating a serene, cocooned envelope that elevates everyday living. I love the naturally warm hue—an honest materiality that speaks to sustainable craftsmanship. Pair it with smooth gypsum walls and pale oak floors to let the tranquility shine. For elevated luxury, start with silence—this insulation is the foundation of a beautifully composed home.

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Upgrade your walls with EcoBatt R-11 today for quieter, more energy‑efficient comfort that lasts.

Installation