Owens Corning R-11 Unfaced Fiberglass Insulation Batts, 3.5 in. x 15.25 in. x 105 in. (4 Bags)Owens Corning R 11 Unfaced Fiberglass Batts (3. 5 x 15. 25 x 105 in, 4 Bags) Flexible, unfaced fiberglass batts designed for 2x4 wall cavities, delivering R 11 thermal performance with added sound attenuation. Easy to handle and install in wood or metal framing for consistent energy efficiency across interior and exterior walls. Key Features: Thermal Performance: R 11 insulation for 2x4 wall cavities to improve energy efficiency Unfaced Fiberglass:

Owens Corning R-11 Unfaced Fiberglass Batts (3.5 x 15.25 x 105 in, 4 Bags)

Flexible, unfaced fiberglass batts designed for 2x4 wall cavities, delivering R-11 thermal performance with added sound attenuation. Easy to handle and install in wood or metal framing for consistent energy efficiency across interior and exterior walls.

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Key Features:

• Thermal Performance: R-11 insulation for 2x4 wall cavities to improve energy efficiency
• Unfaced Fiberglass: Ideal for use with separate vapor control strategies
• Easy Installation: Sized for framing; can be stapled or friction-fit and trimmed with a utility knife
• Noise Control: Helps reduce interior sound transfer for quieter rooms
• Durable Composition: Inorganic, non-corrosive, dimensionally stable batts that resist decay and slump

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
R-Value	R-11
Facing	Unfaced
Material	Fiberglass
Dimensions (per batt)	3.5 in x 15.25 in x 105 in
Application	2x4 walls; wood or metal framing
Installation	Staple or friction-fit; trim with utility knife
Acoustical Control	Helps reduce interior noise
Corrosion	Non-corrosive to steel, aluminum, copper
Stability	Inorganic; dimensionally stable; resists decay or slump

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Frequently Asked Questions (FAQ):

Q: Is a vapor barrier included?
A: No—these are unfaced batts. Use a separate vapor retarder if required by local code.

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Q: Where can I install these batts?
A: Commonly used in 2x4 interior and exterior walls; suitable for wood or metal framing.

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Q: Do I need special tools?
A: A staple gun (if stapling) and a sharp utility knife for trimming; wear gloves, long sleeves, and safety glasses.

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Q: Will this help with sound?
A: Yes, it provides acoustical control, though it’s primarily for thermal insulation.

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Q: What are the exact dimensions of this variant?
A: Each batt is 3.5 in thick, 15.25 in wide, and 105 in long; this listing includes 4 bags.

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Quiet comfort with a crisp, modern edge

This unfaced R-11 batt slips seamlessly into 2x4 walls, refining the envelope of a space with confident, understated performance. The clean, consistent fibers create a hushed backdrop that elevates textures and light. Pair it with thoughtfully sealed drywall and minimalist trim for a serene, gallery-like feel. It’s a foundational layer for luxurious living—comfort that lets design take center stage.

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AI Review Summary:

Customers consistently praise the batts for straightforward installation and dependable R-11 performance in 2x4 walls. Reviewers note good fit in standard framing, easy trimming, and noticeable improvements in room comfort and noise reduction. Environmental attributes like formaldehyde-free content and recycled glass are appreciated. Occasional critiques mention that unfaced batts require an added vapor retarder in certain climates and that care is needed to avoid compression during install. Representative quotes: “Fits 2x4 studs perfectly—cutting was clean,” “Made the room quieter and more comfortable,” and “Remember to add a vapor barrier if your code requires it.”

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Upgrade your 2x4 walls with reliable R-11 Owens Corning batts for quieter, more efficient spaces—add to cart today.