Johns Manville ComfortTherm#174 R- 13 Attic Wall Encapsulated Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack

Name: Johns Manville ComfortTherm#174 R- 13 Attic Wall Encapsulated Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack
Brand: Johns Manville
SKU: 3010706
Rating: 4.8 (160 reviews)

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4.8

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JM ComfortTherm® batts and rolls are wrapped in plastic for less itch and dust during installation.

ComfortTherm® is wrapped in plastic for less itch and dust during installation
For use in 2 x 4 wood-framed walls
Rolls are designed for long, unobstructed spaces with 16-in on-center stud spacing
Plastic facing is designed without a vapor retarder
Improves energy efficiency and provides sound control
JM is a partner of the Seal and Insulate with ENERGY STAR program
SCS Recycled Content certification
GREENGUARD Gold Certified for office indoor air quality and SCS Certified for home indoor air quality

General
Series Name	ComfortTherm®	Insulation Type	Fiberglass
Package Type	Individual pack	Package Count	1
Total Package Quantity	1	Framing Type	Wood studs

Dimensions
Bag Dimensions (L x W x D)	15.5X19X27	Thickness (Inches)	3.5
Coverage Area (Sq. Feet)	40	Width (Inches)	15
Length (Feet)	32	R-Value per Inch	3.7143
Package Weight (lbs.)	9.91	Maximum R-Value	13

Features
Faced/Unfaced	Encapsulated	Sound Barrier	Yes
Formaldehyde Free	Yes	Stud Spacing (Inches)	16
Reflective	No	Vapor Retardant	Yes

Certifications
CA Residents: Prop 65 Warning(s)	No	GREENGUARD Gold Certified	Yes
ENERGY STAR Certified	Yes

Warranty
Warranty	1-year limited

Compatibility
For Use in Basements	Yes	For Use in Garage Doors	No
For Use in Crawlspaces	No	For Use in Masonry	No
For Use in Ceilings	Yes	For Use in Plumbing	No
For Use in Attics	Yes	For Use in Vents	No
For Use in Doors	No	For Use in Walls	Yes
For Use in Duct	No	For Use in Windows	No
For Use in Electrical	No	Fits 2 x 4 Walls	Yes
For Use in Floors	No	Fits 2 x 6 Walls	No

Miscellaneous
UNSPSC	30141500

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Review

4.8 out of 5

160 Reviews

What Customers Are Saying

The insulation product provides excellent thermal and sound insulation, with customers praising its ease of installation and lack of mess or itchiness. Key features include effective insulation properties, a plastic encasement that prevents fiberglass from getting everywhere, and high-quality construction that offers good value. While a few customers experienced delivery issues, the vast majority were highly satisfied with the product's performance and usability.

Customer review summary generated by AI, including incentivized reviews.

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Johns Manville ComfortTherm#174 R- 13 Attic Wall Encapsulated Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack

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