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home > Johns Manville R-13 Unfaced Fiberglass Batt Insulation, 106.56-sq ft Coverage, 15-in x 93-in (U1330S) > Johns Manville R-13 Unfaced Fiberglass Batt Insulation, 106.56-sq ft Coverage, 15-in x 93-in (U1330S)

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Johns Manville R-13 Unfaced Fiberglass Batt Insulation, 106.56-sq ft Coverage, 15-in x 93-in (U1330S)R 13 Unfaced Fiberglass Batt Insulation, 15 in x 93 in Formaldehyde free Johns Manville R 13 unfaced fiberglass batts deliver thermal performance and sound control for 2x4 wood stud walls. Pre cut to 15 in x 93 in for standard 8 ft walls, this multi pack covers 106. 56 sq ft for quick, efficient installs. Key Features: Energy Efficiency & Comfort: R 13 thermal performance reduces heat loss and helps lower utility bills while improving acoustic

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R-13 Unfaced Fiberglass Batt Insulation, 15-in x 93-in

Name: Johns Manville R-13 Unfaced Fiberglass Batt Insulation, 106.56-sq ft Coverage, 15-in x 93-in (U1330S)
Brand: wellness-welten.net
SKU: 31719343974
Price: 68.60 USD
Availability: InStock
Rating: 4.4257 (1339 reviews)

Formaldehyde-free Johns Manville R-13 unfaced fiberglass batts deliver thermal performance and sound control for 2x4 wood-stud walls. Pre-cut to 15-in x 93-in for standard 8-ft walls, this multi-pack covers 106.56 sq ft for quick, efficient installs.

Key Features:

Energy Efficiency & Comfort: R-13 thermal performance reduces heat loss and helps lower utility bills while improving acoustic control.
Ready for 2x4 Walls: Pre-cut 15-in x 93-in batts fit 16-in on-center studs in standard 8-ft walls.
Easy Installation: Compression-packaged batts press in place between studs; unfaced design integrates with existing insulation.
Durable & Safe: Will not rot or mildew; noncorrosive to pipes and wiring; formaldehyde-free and GREENGUARD Gold Certified.
Responsible Choice: Contains recycled content and is recognized by ENERGY STAR sealing programs.

Specifications Table:

Specification	Details
R-Value	13
Width	15 in
Length	93 in
Thickness	3.5 in
Coverage Area	106.56 sq ft
Faced/Unfaced	Unfaced
Fits 2 x 4 Walls	Yes
Fits 2 x 6 Walls	No
Stud Spacing	16 in on-center
Framing Type	Wood studs
Insulation Type	Fiberglass
Formaldehyde Free	Yes
Sound Barrier	Yes
Vapor Retardant	No
For Use in Walls	Yes
For Use in Basements	Yes
For Use in Attics	No
For Use in Ceilings	No
For Use in Floors	No
ENERGY STAR Certified	Yes (Seal and Insulate partner)
GREENGUARD Gold Certified	Yes
Package Type	Multi-pack
Package Count	11 pieces
Total Package Quantity	55 (multi-pack quantity 5)
Bag Dimensions (L x W x D)	15.5 x 20 x 49 in
Package Weight	26.4 lbs
R-Value per Inch	3.7143
Warranty	1-year limited
UNSPSC	11162400

Frequently Asked Questions (FAQ):

Q: How much area does this package cover?
A: 106.56 square feet across 11 pre-cut batts.

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

Q: Does it have a vapor barrier?
A: No. These are unfaced batts without a vapor retarder.

Q: Can I add it over existing insulation?
A: Yes, unfaced batts can be layered with existing insulation where appropriate.

Q: Is this product low-VOC or certified for indoor air quality?
A: Yes, it is formaldehyde-free and GREENGUARD Gold Certified.

A Quiet, Cozy Envelope for Everyday Living

These sleek, unfaced batts slip into 2x4 wall cavities, creating a serene cocoon that tempers sound and temperature with effortless precision. The crisp, pre-cut profile makes installation clean and orderly—design-forward even behind the drywall. Pair with warm woods and matte hardware to elevate the calm, knowing the envelope performs beautifully. It’s a subtle luxury: comfort engineered into the bones of your space.

Upgrade your walls with JM R-13 batts today for instant comfort, quieter rooms, and energy savings.