At a Glance
Fits 2 x 6 Walls
Stud Spacing: 24 (Inches)
Sound BarrierJohns Manville R- 19 Wall Unfaced Fiberglass Roll Insulation 75.07-sq ft ( 23-in W x 39.17-ft L ) Individual pack
Item #180145 |
Model #B374
Unfaced fiberglass roll insulation for use in 2x6 wood-framed walls and basements and can be added to existing insulation
Improves energy efficiency and provides sound control
Rolls are designed for long, unobstructed spaces with 24-in on-center stud spacing
Simple to install, press in place between studs
Will not rot, mildew or deteriorate and is noncorrosive to pipes, wiring and metal studs
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 | |||
|---|---|---|---|
Package Type | Individual pack | Package Count | 1 |
Total Package Quantity | 1 | Framing Type | Wood studs |
Insulation Type | Fiberglass | ||
Dimensions | |||
|---|---|---|---|
Bag Dimensions (L x W x D) | 23.5 x 19 x 26 | Thickness (Inches) | 6.5 |
Coverage Area (Sq. Feet) | 75.07 | Width (Inches) | 23 |
Length (Feet) | 39.17 | R-Value per Inch | 2.9231 |
Package Weight (lbs.) | 18.42 | Maximum R-Value | 19 |
Features | |||
|---|---|---|---|
Faced/Unfaced | Unfaced | Sound Barrier | Yes |
Formaldehyde Free | Yes | Stud Spacing (Inches) | 24 |
Reflective | No | Vapor Retardant | No |
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | No | GREENGUARD Gold Certified | Yes |
ENERGY STAR Certified | Yes | ||
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 | No | For Use in Plumbing | No |
For Use in Attics | No | 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 | No |
For Use in Floors | No | Fits 2 x 6 Walls | Yes |
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 30141500 | ||
Check out the Best Selling Roll Insulation on Lowes.com
Ratings may include incentivized customer reviews.
What Customers Are Saying
This insulation product is highly effective at insulating spaces and providing good sound insulation. Customers praised the easy installation and the encapsulated design, which helps reduce skin irritation. The insulation is reported to keep spaces warm in winter and cool in summer, and it offers good value for the price.
Customer review summary generated by AI, including incentivized reviews.Customer Sentiment
No problems.
Works as advertised. No problems.
From R- 13 Wall Kraft faced Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack Verified Purchaser
Quality insulation.
Easy to install.
From R- 13 Wall Kraft faced Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack Verified Purchaser
Best price around
Works great. I love the unfoldable flaps that help hold it in place
From R- 13 Wall Kraft faced Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack Verified Purchaser
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