At a Glance
R-Value per Inch: 2.9231
Stud Spacing: 16 (In.)
Sound BarrierJohns Manville R- 19 Wall Unfaced Fiberglass Batt Insulation 87.18-sq ft ( 15-in W x 93-in L)
Item #109126 |
Model #U1331
This Item Is Featured In
Unfaced fiberglass batt insulation for use in 2x6 wood-framed walls and basements and can be added to existing insulation
Improves energy efficiency and provides sound control
Batts are pre-cut for use in standard 8-ft walls with 16-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 | 9 |
Total Package Quantity | 9 | Framing Type | Wood studs |
Insulation Type | Fiberglass | ||
Dimensions | |||
|---|---|---|---|
Bag Dimensions (L x W x D) | 15.5 x 20 x 50 | Thickness (Inches) | 6.5 |
Coverage Area (Sq. Feet) | 87.18 | Width (Inches) | 15 |
Length (Inches) | 93 | R-Value per Inch | 2.9231 |
Package Weight (lbs.) | 21.39 | Maximum R-Value | 19 |
Features | |||
|---|---|---|---|
Faced/Unfaced | Unfaced | Stud Spacing (Inches) | 16 |
Formaldehyde Free | Yes | Vapor Retardant | No |
Sound Barrier | Yes | ||
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 | 11162400 | ||
Check out the Best Selling Batt Insulation on Lowes.com
Ratings may include incentivized customer reviews.
What Customers Are Saying
The insulation product offers effective thermal and sound insulation, helping to maintain comfortable indoor temperatures. Customers found the installation process to be straightforward, with the pre-cut sizes and paper facing facilitating easy placement. The insulation is described as high-quality, durable, and providing good value. While some minor irritation was reported during installation, the majority of users found the product non-irritating and easy to work with, appreciating its formaldehyde-free composition.
Customer review summary generated by AI, including incentivized reviews.Customer Sentiment
Quality Product
Good quality, R15 and works well with 3.5 inch studs.
From R- 15 Wall Kraft faced Fiberglass Batt Insulation 67.81-sq ft ( 15-in W x 93-in L) Verified Purchaser
Great Product, but many open packages
Love the product and it's easy to install. But for some reason (poor handling?) many of the packages are open at the ends. Others have large gaps in the packaging. Fiberglass should be sealed until it is installed, so this was a big disappointment. I asked the store clerk to replace two of the packages, since they were so badly damaged (one had 2 to 3 feet of bare fiberglass hanging out). I still got several open packages. The store associates handing this insulation use a lift to lower these fr...
From R- 30 Attic Kraft faced Fiberglass Batt Insulation 58.66-sq ft ( 16-in W x 48-in L) Verified Purchaser
As exowcted
As expected
From R- 15 Wall Kraft faced Fiberglass Batt Insulation 67.81-sq ft ( 15-in W x 93-in L) Verified Purchaser
The customer service was outstanding.
Liked the price.
From R- 38 Attic Kraft faced Fiberglass Batt Insulation 64-sq ft ( 24-in W x 48-in L) Verified Purchaser
Insulation is very important.
I used it for sound deadening between my 1st and second floor. I think it is so much better than the rock wool I took out.
From R- 19 Wall Kraft faced Fiberglass Batt Insulation 87.18-sq ft ( 15-in W x 93-in L) Verified Purchaser
didn't shed fibers
fit like it should
From R- 30 Attic Kraft faced Fiberglass Batt Insulation 58.66-sq ft ( 16-in W x 48-in L) Verified Purchaser
Make sure your package is sealed, not exposed.
48" Batts easy to handle and get through access panel. Immediate difference in home comfort!
From R- 38 Attic Kraft faced Fiberglass Batt Insulation 64-sq ft ( 24-in W x 48-in L) Verified Purchaser
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