Owens Corning R-38 Unfaced Fiberglass Insulation Batts, 10.25 in. x 23.75 in. x 48 in. (4 Bags)
SKU: 13419416266

Owens Corning R-38 Unfaced Fiberglass Insulation Batts, 10.25 in. x 23.75 in. x 48 in. (4 Bags)

Sale price$211.54 Regular price$235.04
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Owens Corning R-38 Unfaced Fiberglass Insulation Batts, 10.25 in. x 23.75 in. x 48 in. (4 Bags)Owens Corning R 38 Unfaced Fiberglass Insulation Batts High R value fiberglass batts designed for cathedral ceilings and attics, delivering energy saving thermal performance and sound reduction. Unfaced PINK Next Gen Fiberglas installs cleanly and quickly with soft, shed resistant fibers. Key Features: High Thermal Performance: R 38 batts help boost attic and cathedral ceiling efficiency Unfaced Design: Ideal where moisture management isnt required;

Owens Corning R-38 Unfaced Fiberglass Insulation Batts

High-R value fiberglass batts designed for cathedral ceilings and attics, delivering energy-saving thermal performance and sound reduction. Unfaced PINK Next Gen Fiberglas installs cleanly and quickly with soft, shed-resistant fibers.


Key Features:

  • High Thermal Performance: R-38 batts help boost attic and cathedral ceiling efficiency
  • Unfaced Design: Ideal where moisture management isn’t required; vapor retarder can be added as needed
  • Fast, Clean Installation: Advanced fiber technology recovers quickly and cuts cleanly with less dust
  • Comfort and Sound Control: Soft fibers provide sound-dampening benefits for quieter spaces
  • Health & Certification: Formaldehyde-free and GREENGUARD Gold certified to support indoor air quality

Specifications Table:

Specification Details
Insulation Type Fiberglass
Faced/Unfaced Unfaced
Maximum R-Value R-38 (R-38C)
Thickness 10.25 in
Width 23.75 in
Length 48 in
Coverage Area 63.33 sq ft per pack
Pieces per Pack 8
Stud Spacing 24 in
For Use in Attics Yes
For Use in Ceilings Yes
For Use in Walls No
Formaldehyde Free Yes
Sound Barrier Yes
ENERGY STAR Certified Yes
GREENGUARD Gold Certified Yes
Framing Type Wood studs
R-Value per Inch 3.7
Package Type Individual pack
Total Package Quantity 1
Package Weight 57.872 lb
Bag Dimensions (L x W x D) 50 in x 18.25 in x 24 in
Warranty Limited lifetime

Frequently Asked Questions (FAQ):

Q: How many pieces are in a pack?
A: Each pack contains 8 batts, sized 10.25 in thick x 23.75 in wide x 48 in long.


Q: Where can this insulation be used?
A: Designed for attics and cathedral ceilings with 24-inch stud spacing; not intended for standard wall cavities.


Q: Does it include a vapor barrier?
A: No—these batts are unfaced. A separate vapor retarder can be added to the assembly if required by code.


Q: Is the product formaldehyde-free?
A: Yes, it is formaldehyde-free and GREENGUARD Gold certified.


Q: What is the coverage per pack?
A: One pack covers approximately 63.33 square feet.


Quiet, Cozy Luxury for Elevated Ceilings

This insulation cocoons cathedral spaces in serene comfort, taming temperature swings and hush­ing ambient noise. I love the plush, resilient fiber—its soft, airy texture brings a refined sensibility to performance. Layer it in attics and vaulted ceilings to create a calm, energy-smart envelope. It’s a discreet essential that elevates everyday living with effortless warmth and quiet.


Upgrade your attic with R-38 PINK Next Gen Fiberglas batts for a quieter, more energy-efficient home—order today.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 13419416266

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 1975 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
V
Verified Purchase
VanillaPepper
Waukegan, US
★★★★★ 5
Cheap Insurance Against Headliner Failure
Size: 4-pack
Cheap Insurance Against Headliner Failure If you’ve ever owned a Jeep with a hardtop, you already know that heat, cold, humidity, and constant temperature swings can be tough on adhesives over time. Even when replacement headliner kits include their own adhesive, I still like having a high-quality automotive adhesive on hand for extra peace of mind. This 3M product has been one of my go-to choices for headliner work because it is specifically designed for automotive environments where materials are exposed to extreme summer heat and winter cold. The last thing anyone wants is to spend time installing a headliner only to have corners start sagging or sections pull away months later. The spray pattern is consistent, the adhesion is strong, and it provides the confidence that the installation will hold up long-term. I have found it especially useful for Jeep hardtops, where temperature fluctuations can be much more extreme than in a traditional vehicle. The cans arrived well packaged, and having multiple cans on hand is convenient for larger projects or future repairs. For Jeep owners, restorations, headliner repairs, upholstery projects, or anyone wanting a little extra insurance against adhesive failure, this is a product I would not hesitate to keep in the garage. #FoundItOnAmazon #JeepLife #JeepJKU #HeadlinerRepair #3M #AutomotiveProjects #GarageEssentials #DIYGarage #AmazonFinds #JeepMods #AutomotiveMaintenance
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
M
Verified Purchase
M. Corselli
Waukegan, US
★★★★★ 5
Good n sticky
Size: 4-pack, Size: 4-pack
Used almost four cans for install of convertible top on Super Beetle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
J
Verified Purchase
joseph
Louisville, US
★★★★★ 5
Easy to Use and Professional Results
This adhesive saved me a trip to the upholstery shop. It bonded my fabric headliner back in place with a solid, even hold. No overspray issues, and it dries quickly. Looks like it was professionally done. Two cans were more than enough for the job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2025
O
Verified Purchase
Old school
Pawtucket, US
★★★★★ 5
Worked well on my headliner
Size: 2-pack
Very strong fabric glue
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 19, 2025
S
Verified Purchase
sarah wilson
Waukegan, US
★★★★★ 4
There ya be
Size: 2-pack
Works good. Too good. If you’re not a pro, you’ll mess it all up. The headliner is up in the beater. But YouTube lied about how easy it is to use this stuff. Very sticky!! Easy to use. Easy to wrinkle the headliner too and just wad it all up. But oh well. It’s a beater. Nuff said.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026

recommand products