R-13 Poly-Encapsulated Fiberglass Batt Insulation (15 in x 93 in)

JM ComfortTherm poly-encapsulated fiberglass batt insulation provides R-13 thermal performance with added sound control for wood-stud wall cavities. The plastic-wrapped facing helps reduce itch and dust during installation and adds moisture control as a vapor retarder.

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Key Features:

• Comfortable Installation: Poly-encapsulated (plastic-wrapped) batts help reduce itch and dust during handling and install.
• Energy & Sound Performance: R-13 insulation helps resist heat transfer and reduces sound transmission through wall assemblies.
• Sized for 2x4 Wood Stud Walls: 15 in x 93 in batts are designed for standard wood-stud framing applications.
• Moisture Control Facing: Plastic facing acts as a vapor retarder to help manage moisture in appropriate assemblies.
• Indoor-Air-Friendly Build: Formaldehyde-free fiberglass with third-party certifications (e.g., ENERGY STAR, GREENGUARD Gold).

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Specifications Table:

Specification	Details
Brand	JM
Sub-brand/Series	ComfortTherm
Insulation Type	Fiberglass batt
Material	Fiberglass
Facing Type	Poly-Encapsulated (Encapsulated)
R-Value	R-13
Maximum R-Value	13
R-Value per Inch	3.7142
Thickness	3.5 in
Width	15 in
Length	93 in
Coverage Area	106.56 sq ft
Framing Type / For Use With	Wood studs / Wood stud framing
Stud Spacing	16 in on-center
Sound Barrier	Yes
Vapor Retardant	Yes
Formaldehyde Free	Yes
Flame Spread Index	<25
Smoke Developed Index	<50
Water Vapor Sorption	<5%
Standards/Certifications	ASTM C665 Type II Class A Category 1 or 2; ENERGY STAR Certified; GREENGUARD Gold Certified; IBC; Indoor Air Quality Certified; NAIMA 16 CFR Part 460; Recycled Content Certified
Application	For new construction and remodels; walls, floors, ceilings, basements, attics and crawlspaces
Package Type	Multi-pack
Package Count	11
Total Package Quantity	55
Multi-Pack Quantity	5
Package Weight	31.1 lb
Bag Dimensions (L x W x D)	15.5 x 20 x 49
For Use in Walls	Yes
Fits 2 x 4 Walls	Yes
For Use in Basements	Yes
ENERGY STAR Certified	Yes
Warranty	None
UNSPSC	11162400
CA Residents: Prop 65 Warning(s)	No

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Frequently Asked Questions (FAQ):

Q: Where can I use this insulation?
A: It’s intended for wood-stud framing applications such as walls (and other residential areas noted by the manufacturer, including floors/ceilings/basements/attics/crawlspaces depending on assembly requirements).

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Q: What does “poly-encapsulated” mean?
A: The fiberglass batt is wrapped in plastic to help reduce itch and dust during installation; the plastic facing can also function as a vapor retarder.

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Q: Will it fit standard 2x4 walls?
A: Yes—this is an R-13 batt at about 3.5 in thick, sized for typical 2x4 wood-stud wall cavities.

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Q: How much area does one package cover?
A: The listed coverage is 106.56 sq ft per package.

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Q: Does it have certifications for indoor air quality/efficiency?
A: Yes—listings include ENERGY STAR and GREENGUARD Gold, along with ASTM C665 and other noted certifications.

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Quiet Comfort, Wrapped in Clean Lines

Insulation is the invisible luxury that makes a home feel composed—warmth held close, sound softened, and spaces that simply breathe better. This R-13 poly-encapsulated batt brings a refined practicality: a plastic-wrapped finish that installs with less itch and dust while supporting a calmer acoustic backdrop. Use it to elevate everyday rooms—nurseries, studies, and guest suites—where comfort should feel effortless. Consider it the foundation layer that lets every surface above it look and live more beautifully.

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Upgrade your 2x4 wood-stud walls with JM ComfortTherm R-13 encapsulated batts for cleaner installs, quieter rooms, and dependable thermal performance.