R-13 Kraft-Faced Fiberglass Batt Insulation, 23x93-in

Formaldehyde-free Johns Manville R-13 kraft-faced fiberglass batts insulate 2x4 wood-stud walls with built-in vapor retarder for moisture control. Precut 23-in x 93-in batts cover 163.39 sq ft per pack and help improve energy efficiency and sound control.

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Key Features:

• Designed for 2x4 Walls: Precut 23-in x 93-in batts fit 24-in on-center wood studs for fast installation
• Thermal Performance: R-13 value boosts energy efficiency in exterior walls and basements
• Built-In Vapor Retarder: Kraft facing helps manage moisture; simple press-in placement with staple tabs
• Durable, Low-Irritant Material: Formaldehyde-free fiberglass that won’t rot, mildew, or corrode metal
• Health & Sustainability: GREENGUARD Gold and SCS Recycled Content certified; participates in ENERGY STAR program

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Specifications Table:

Specification	Details
R-Value	13
Insulation Type	Fiberglass
Facing	Kraft faced (vapor retarder)
Width	23 in
Length	93 in
Thickness	3.5 in
Coverage Area	163.39 sq ft per package
Pieces per Package	11
Stud Spacing	24 in on-center
Framing Type	Wood studs
For Use in Walls	Yes
For Use in Basements	Yes
For Use in Attics/Ceilings/Floors/Crawlspaces/Doors/Windows/Duct/Electrical/Plumbing/Vents/Masonry/Garage Doors	No
Formaldehyde Free	Yes
Sound Barrier	Yes
Vapor Retardant	Yes
ENERGY STAR Certified	Yes (program partner)
GREENGUARD Gold Certified	Yes
Package Type	Individual pack
Package Count	11
Total Package Quantity	11
R-Value per Inch	3.7143
Bag Dimensions (L x W x D)	49 x 23.5 x 20 in
Warranty	1-year limited
UNSPSC	11162400

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Frequently Asked Questions (FAQ):

Q: How much area does one package cover?
A: Each package covers 163.39 square feet and contains 11 precut batts.

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Q: What wall framing is this for?
A: It’s sized for 2x4 wood-stud walls with 24-in on-center stud spacing.

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Q: Is the insulation faced?
A: Yes, it has a kraft facing that acts as a vapor retarder and can be stapled to framing.

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Q: Can it be used for sound control?
A: Yes, the fiberglass batts provide sound-dampening performance.

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Q: Is it formaldehyde free and certified for indoor air quality?
A: Yes, it is formaldehyde-free and GREENGUARD Gold certified.

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Quiet Comfort with a Clean, Tailored Finish

These R‑13 kraft-faced batts bring a crisp, uniform layer behind the walls, elevating comfort while preserving sleek lines. I love the built-in vapor retarder that keeps envelopes tidy and high-performing. Pair it with painted millwork and natural woods to create a serene, acoustically balanced backdrop. It’s a quiet luxury essential for refined residential spaces.

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Upgrade your walls with R‑13 performance and easy, precut installation—add Johns Manville batts to your project today.