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.