Johns Manville R-38 Kraft-Faced Fiberglass Batt Insulation, 48-sq ft Coverage, 16 in x 48 in (K1292S)
SKU: 78059165339

Johns Manville R-38 Kraft-Faced Fiberglass Batt Insulation, 48-sq ft Coverage, 16 in x 48 in (K1292S)

$71.02 $78.91
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Description

Johns Manville R-38 Kraft-Faced Fiberglass Batt Insulation, 48-sq ft Coverage, 16 in x 48 in (K1292S)R 38 Kraft Faced Fiberglass Batt Insulation, 48 sq ft Formaldehyde free, kraft faced fiberglass batts designed for attics, ceilings and floors. Delivers R 38 thermal performance with integrated vapor retarder to improve energy efficiency and sound control. Key Features: High R Value Performance: R 38 batts help reduce heat loss and enhance home energy efficiency Built In Vapor Retarder: Kraft facing provides moisture control for attic applications

R-38 Kraft-Faced Fiberglass Batt Insulation, 48-sq ft

Formal­dehyde-free, kraft-faced fiberglass batts designed for attics, ceilings and floors. Delivers R-38 thermal performance with integrated vapor retarder to improve energy efficiency and sound control.

Key Features:

  • High R-Value Performance: R-38 batts help reduce heat loss and enhance home energy efficiency
  • Built-In Vapor Retarder: Kraft facing provides moisture control for attic applications
  • Formaldehyde-Free Fiberglass: Improves indoor air quality; GREENGUARD Gold certified
  • Easy Installation: Precut 16 in x 48 in batts fit 16 in stud/joist spacing; staple tabs for securement
  • Durable and Noncorrosive: Will not rot or mildew; safe for use around pipes and wiring

Specifications Table:

Specification Details
R-Value 38
Coverage Area 48 sq ft per package
Piece Count 9 pieces
Dimensions (per batt) 16 in W x 48 in L x 12 in Thick
Stud/Joist Spacing 16 in on center
Faced/Unfaced Kraft faced (vapor retarder)
Insulation Type Fiberglass
Formaldehyde Free Yes
Sound Barrier Yes
For Use in Attics Yes
For Use in Ceilings Yes
For Use in Floors Yes
For Use in Walls No
For Use in Basements/Crawlspaces No
Width 16 in
Length 48 in
Thickness 12 in
R-Value per Inch 3.1666
Package Weight 28 lb
Bag Dimensions (L x W x D) 49 in x 16.5 in x 20 in
Vapor Retardant Yes
ENERGY STAR Certified Yes (program partner)
GREENGUARD Gold Certified Yes
Warranty 1-year limited
UNSPSC 11162400

Frequently Asked Questions (FAQ):

Q: How much area does one package cover?
A: Each package covers 48 sq ft with nine precut batts sized 16 in x 48 in.

Q: Where can this insulation be used?
A: It is intended for attics, ceilings, and floors with 16-in on-center wood stud/joist spacing; not for walls or basements.

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

Q: Does the kraft facing act as a vapor retarder?
A: Yes, the kraft facing provides a built-in vapor retarder to help control moisture.

Q: What tools are recommended for installation?
A: Common tools include gloves and eyewear, long sleeves, a utility knife, caulk or spray foam, and an attic ruler.

Quiet, Cozy Attics with Effortless Warmth

This kraft-faced batt tucks neatly between joists, creating a seamless thermal blanket that quiets the home and elevates comfort. I love the crisp, pre-cut format—16 by 48 inches—because it installs beautifully and looks tidy even in hidden spaces. Pair it with clean attic decking and soft task lighting to transform storage zones into serene, efficient envelopes. It’s a refined foundation for luxurious, energy-smart living.

Upgrade your attic’s efficiency and comfort—choose these R-38 kraft-faced batts and start saving energy 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: 78059165339

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4.3 ★★★★★
Based on 445 reviews
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Product Reviews
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Verified Purchase
Jessika
Louisville, US
★★★★★ 4
Definitely worth the read!
Format: Kindle
After taking a deep breath and taking in that wicked twist of an ending, I have finally composed myself. My first thought when I started this book was that I love Reyna's character. I was intrigued by her connection with her familiar and the Ruin that is plaguing her land. It came as no surprise that she took her sister's place in an attempt to protect her. When they reach the Air Court everything slows down. This is where it was iffy for me. First of all, I like multiple POV's in books however 7 is a bit much. It starts to interrupt the story line. I felt like I was finally making progress connecting with one character, then it was switched to another person. I felt they all had necessary or pertinent information but not necessarily were they all POV worthy. The only other thing that annoyed me was that Reyna constantly was " trapped." She would rush off without thinking, only to need rescuing. She is brilliant in a fight, but she really doesn't think through anything. Lorcan is amazing. I know he might be on the "bad" list, but his background is so interesting. Eislyn(Reyna's sister) is really so sweet, but calculating. I enjoyed her and Thane's dialogue. The author did an amazing job with the imagery in this book. Everything was so detailed it was easy to fall into the scene. I love unexpected twists and while part of the ending I expected, I wasn't expecting how it took place. All in all, I found it very entertaining and I am very invested in continuing this series. Favorite quotes: "The truth may be twisted but never false." "Who was she if she was not the enemy of the Air Court? What was her purpose of she no longer has that?" "In a war-torn land, love was always a lie."
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2020
K
Verified Purchase
KAB
West Palm Beach, US
★★★★★ 5
Great Read!!! Great story!!!
Format: Kindle
The series is long, but Ms. Wolfhart does a fantastic job of weaving this tale while bringing so much to the characters. Surprises and plot twists along the way to keep you intrigued. There is some graphic sex, but is no way the focal point. Grammar was excellent (a rare find with a lot of self publishers) with only a few noted errors. I rarely give 4 stars, let alone 5.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2021
E
Verified Purchase
Elisa
Chelsea, US
★★★★★ 3
Sadly, DNF
Format: Kindle
I read this thru KU. I LOVED the synopsis. And then I began reading... and it was a DNF at 68% after picking it up and putting it down several times because I really loved the main female character. *****SPOILERS***** Pros: The world is unique, intriguing and fun. The primary female character is bad-a** but not a b*tech or a mary sue. The primary female has depth. I really want to know what happens to her even tho it's been weeks and I don't remember her name. The villains to the point I read are pretty good -- an ever present threat of mysterious and possibly many culprits. Cons: Way, way too many points of view. I stopped counting at 7. It's the prime reason why I don't care about most of the characters or remember their names even when I like them. There's just too many points of view so almost none of the characters have enough book space for the author to properly develop them. This literally killed the book for me. Actually it killed my desire to read. For weeks. The main male is more villain than hero. He agreed to marry the main female then locks her up & eschews her for her sister, all while bad mouthing her as unfit to rule when he never spent any time with her getting to know her. He is actually unfit to rule as he is blind to the woes of his own kingdom and starts off a peace mission to secure a ceasefire through marriage by murdering an inn full of people in her country for no real reason. Plus, he constantly makes promises he does not keep. And it's gross of him to pine for the sister behind the main female's back. ***** As much as I really wanted to see what happened to the main female character, it wasn't enough for me to keep trying to slog thru this book. There was a lot of potential here that just fell short. Hence, 3 stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 19, 2021
M
Verified Purchase
MaryBeth K
Phoenix, US
★★★★★ 5
Fae Courts with High Intrigue
Format: Kindle
This book is one that just builds and builds and then surprises you to no end. You may think you know the villains and then you are jolted in another direction. Princess Reyna is a real gem, strong of character, a fierce fighter, and loyal to her family and kingdom. Just when you think she and Lorcan, well you know, the plot is flipped. Can't wait to see where this goes in book two.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 7, 2023
K
Verified Purchase
Kindle Customer Maureen
Grantham, US
★★★★★ 4
Slow, sorry but good
Format: Kindle
This was a slow moving book. Lots of character pov chapters, lots of superfluous descriptions and endless courtly appearances stalled this book to start. Once you get into the heart of the story, it takes off. Before you know it the book is done. My favorite character is Reyna. She is so strong. She is true to herself. She gets into a lot of trouble with her headstrong ways but it's entertaining. I have high hopes for Lorcan. He is honorable to a fault. Thane had turned out to be better than I thought but i still don't like him. Eislin is useless. Great plot twists at the end. I'm looking forward too book 2.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2020

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