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home > Johns Manville R-15 Unfaced Fiberglass Batt Insulation, 67.81-sq ft Coverage, 15-in W x 93-in L, for 2x4 Walls > Johns Manville R-15 Unfaced Fiberglass Batt Insulation, 67.81-sq ft Coverage, 15-in W x 93-in L, for 2x4 Walls

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Johns Manville R-15 Unfaced Fiberglass Batt Insulation, 67.81-sq ft Coverage, 15-in W x 93-in L, for 2x4 WallsR 15 Unfaced Fiberglass Batt Insulation for 2x4 Walls Formaldehydefree Johns Manville unfaced fiberglass batts deliver R 15 thermal performance and sound control for 2x4 wood stud walls. Precut to 15 in x 93 in, each multi pack covers 67. 81 sq ft and installs quickly by pressing into place. Key Features: Energy Efficiency + Sound Control: R 15 fiberglass batts improve comfort and help reduce noise transfer in walls. Precut for 2x4 Walls: 15 in x 93

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R-15 Unfaced Fiberglass Batt Insulation for 2x4 Walls

Name: Johns Manville R-15 Unfaced Fiberglass Batt Insulation, 67.81-sq ft Coverage, 15-in W x 93-in L, for 2x4 Walls
Brand: africanheritageservices.org
SKU: 99236860357
Price: 90.35 USD
Availability: InStock
Rating: 4.4446 (714 reviews)

Formaldehyde‑free Johns Manville unfaced fiberglass batts deliver R-15 thermal performance and sound control for 2x4 wood-stud walls. Precut to 15-in x 93-in, each multi-pack covers 67.81 sq ft and installs quickly by pressing into place.

Key Features:

Energy Efficiency + Sound Control: R-15 fiberglass batts improve comfort and help reduce noise transfer in walls.
Precut for 2x4 Walls: 15-in x 93-in batts fit 16-in O.C. studs; simple press-in installation.
Durable, Noncorrosive Material: Will not rot, mildew, or deteriorate; safe for pipes, wiring, and metal studs.
Healthy Home Certifications: Formaldehyde-free, GREENGUARD Gold Certified; SCS recycled content certified.
No Vapor Barrier: Unfaced design can be layered with existing insulation when appropriate.

Specifications Table:

Specification	Details
Coverage Area	67.81 sq ft
Dimensions (each batt)	15 in W x 93 in L x 3.5 in Thick
Faced/Unfaced	Unfaced
Wall Compatibility	Fits 2x4 walls; 16-in on-center stud spacing
Insulation Type	Fiberglass
Maximum R-Value	R-15
Sound Barrier	Yes
Formaldehyde Free	Yes
Framing Type	Wood studs
For Use in Walls	Yes
For Use in Basements	Yes
For Use in Attics/Ceilings/Floors	No
Vapor Retardant	No
GREENGUARD Gold Certified	Yes
ENERGY STAR Certified	Yes (program partnership)
SCS Recycled Content	Certified
Bag Dimensions (L x W x D)	49 in x 20 in x 15.5 in
Package Type	Multi-pack
Package Count	7 pieces
Multi-Pack Quantity	5
Total Package Quantity	35
Stud Spacing	16 in
R-Value per Inch	4.2857
Warranty	1-year limited
UNSPSC	11162400
Package Weight	30.4 lb

Frequently Asked Questions (FAQ):

Q: How much area does one package cover?
A: 67.81 square feet per package.

Q: Is this insulation faced with a vapor barrier?
A: No, it is unfaced and contains no vapor retarder.

Q: What wall framing is it designed for?
A: Precut for 2x4 wood-stud walls with 16-in on-center spacing.

Q: Can it be used in basements or attics?
A: Rated for use in basements and walls; not for attics, ceilings, or floors per listed specs.

Q: Is it formaldehyde-free and certified for indoor air quality?
A: Yes—formaldehyde-free and GREENGUARD Gold Certified; also SCS recycled content certified.

Quiet Comfort, Seamlessly Built In

These pristine white fiberglass batts slip into 2x4 cavities like tailored suiting, instantly softening acoustics and stabilizing temperature. I love the unfaced profile—clean, minimal, and adaptable—so your envelope stays elegant behind the walls. Pair with crisp gypsum board and warm wood tones to craft a serene, high-performance shell. It’s an essential layer of luxury living you’ll feel every day.

Upgrade your 2x4 walls with R-15 performance today for quieter, more energy‑efficient comfort year-round.