Johns Manville R-19 Kraft-Faced Fiberglass Batt Wall Insulation, 133.68-sq ft Coverage, 23-in x 93-in (K1251S)
SKU: 90437875771

Johns Manville R-19 Kraft-Faced Fiberglass Batt Wall Insulation, 133.68-sq ft Coverage, 23-in x 93-in (K1251S)

Sale price$100.42 Regular price$111.58
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Johns Manville R-19 Kraft-Faced Fiberglass Batt Wall Insulation, 133.68-sq ft Coverage, 23-in x 93-in (K1251S)R 19 Kraft Faced Fiberglass Batt Wall Insulation, 23 in x 93 in Kraft faced fiberglass batts designed for 2x6 wood stud walls deliver R 19 thermal performance with integrated vapor retarder. Pre cut 23 in x 93 in pieces cover 133. 68 sq ft per package to improve energy efficiency and sound control in basements, crawlspaces, and walls. Key Features: Ready to Install Batts: Pre cut for 8 ft walls on 24 in O. C. studs; simply press in place and staple

R-19 Kraft-Faced Fiberglass Batt Wall Insulation, 23-in x 93-in

Kraft-faced fiberglass batts designed for 2x6 wood-stud walls deliver R-19 thermal performance with integrated vapor retarder. Pre-cut 23-in x 93-in pieces cover 133.68 sq ft per package to improve energy efficiency and sound control in basements, crawlspaces, and walls.


Key Features:

  • Ready-to-Install Batts: Pre-cut for 8-ft walls on 24-in O.C. studs; simply press in place and staple flanges as needed
  • Moisture Control: Kraft facing acts as a built-in vapor retarder to help manage humidity in exterior walls
  • Energy & Sound Performance: R-19 insulation improves efficiency and provides acoustic dampening
  • Durable & Safe: Formaldehyde-free fiberglass will not rot, mildew, or corrode pipes and wiring
  • Indoor Air Quality Certifications: GREENGUARD Gold and SCS Recycled Content certified; ENERGY STAR partner

Specifications Table:

Specification Details
R-Value 19
Insulation Type Fiberglass
Facing Kraft faced (vapor retarder)
Piece Dimensions 23 in W x 93 in L x 6.5 in Thick
Coverage Area 133.68 sq ft per package
Stud Spacing 24 in on-center
Fits Wall Depth 2x6 walls
Framing Type Wood studs
Formaldehyde Free Yes
Sound Barrier Yes
For Use In Walls Yes
For Use in Basements Yes
For Use in Crawlspaces Yes
For Use in Attics No
For Use in Ceilings No
Vapor Retardant Yes
ENERGY STAR Certified Yes (program partner)
GREENGUARD Gold Certified Yes
Bag Dimensions (L x W x D) 23.5 x 20 x 49 in
Package Weight 36.8 lb
Package Type Multi-pack
Package Count 9 pieces
R-Value per Inch 2.9231
Warranty 1-year limited
UNSPSC 11162400

Frequently Asked Questions (FAQ):

Q: How much area does one package cover?
A: Each package covers 133.68 sq ft with nine 23-in x 93-in batts.


Q: What wall construction is this for?
A: It’s sized for 2x6 wood-stud walls with 24-in on-center spacing; not for 2x4 walls.


Q: Is a separate vapor barrier required?
A: No, the Kraft facing functions as a vapor retarder in most wall assemblies; follow local codes.


Q: Can this be used in ceilings or attics?
A: It’s intended for walls and appropriate for basements and crawlspaces; not for attics or ceilings per specs.


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


Quiet Comfort, Elegantly Wrapped

This R-19 Kraft-faced batt cocoons your rooms in a serene hush while keeping temperatures luxuriously consistent. I love the warm paper facing—clean, orderly, and purposeful—creating a polished canvas before drywall. Pair it with deep, matte wall colors and layered textures to heighten the sense of calm. It’s a discreet essential that elevates living to a refined, comfortable standard.


Upgrade your wall assembly with R-19 performance—add Johns Manville Kraft-faced batts to your cart and start saving energy and reducing noise 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: 90437875771

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 1295 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Awesome works just like they said it does.
Natrona Heights, US
★★★★★ 5
It’s good
Size: 300A Fuse Holder
It does it’s job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
A
Verified Purchase
Anthony S
Chelsea, US
★★★★★ 4
Cover too loose.
Size: 300A Fuse Holder
Nice looking, decent quality, versatile for different gauges. My only complaint with this holder is the cover doesn’t stay on very well, bought 3, and all 3 pop off easily, you will need to zip tie on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026
K
Verified Purchase
Kurtiss s.
Grantham, US
★★★★★ 5
Works as it should.
Size: 300A Fuse Holder
I’ve had several of these in my build for over a year now. Zero issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
C
Verified Purchase
Clint
Natrona Heights, US
★★★★★ 5
Good brand
Size: 300A Fuse Holder
Good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025
O
Verified Purchase
Omar Antonio Negrin
Chelsea, US
★★★★★ 5
Rock-Solid Mounts with Flawless Adjustability
Size: Standard--black, Size: Standard--black
Absolutely fantastic mounts! I couldn't be happier with this purchase. They are currently holding my 12lb surround sound speakers on the wall, and I have complete confidence in their sturdiness. They feel incredibly solid and well-made. Installation was a breeze, and the range of motion is a real game-changer. Being able to swivel and tilt the speakers has allowed me to perfectly angle them towards my listening position, which has made a huge difference in my surround sound experience. On top of the great functionality, they have a very sleek and clean look. The built-in cable management is a brilliant touch that helps keep everything looking tidy and professional. If you're looking for a reliable, adjustable, and great-looking set of speaker mounts, look no further. These are top-notch, and I highly recommend them!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025

recommand products