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Johns Manville R-30 Attic Kraft-Faced Fiberglass Batt Insulation, 86.62-sq ft Coverage (23.625-in W x 48-in L)

Johns Manville R-30 Attic Kraft-Faced Fiberglass Batt Insulation, 86.62-sq ft Coverage (23.625-in W x 48-in L)

R-30 Kraft-faced fiberglass attic batt insulation

Formaldehyde-free Johns Manville R-30 kraft-faced fiberglass batts deliver high thermal performance for attics and cathedral ceilings. Precut to fit 24-in stud spacing, they add moisture control with a built-in vapor retarder while helping reduce sound transmission.


Key Features:

  • High R-Value Performance: R-30 thermal rating for improved energy efficiency in attics and ceilings
  • Built-In Moisture Control: Kraft facing provides an integrated vapor retarder
  • Formaldehyde-Free Fiberglass: Health-conscious material with GREENGUARD Gold certification
  • Easy Installation: Precut batts fit 24-in cavities; press in place and staple tabs if needed
  • Durable & Noncorrosive: Will not rot or mildew; safe around pipes, wiring, and metal studs

Specifications Table:

Specification Details
Coverage Area (Sq. Feet) 86.62
Length (Inches) 48
Width (Inches) 23.625
Thickness (Inches) 10.25
Maximum R-Value 30
Stud Spacing (Inches) 24
Faced/Unfaced Kraft faced
Insulation Type Fiberglass
Formaldehyde Free Yes
For Use in Attics Yes
For Use in Ceilings Yes
For Use in Walls No
For Use in Floors No
Sound Barrier Yes
Vapor Retardant Yes
Framing Type Wood studs
Package Type Multi-pack
Package Count 11
Total Package Quantity 11
Multi-Pack Quantity 4
R-Value per Inch 2.9268
ENERGY STAR Certified Yes
GREENGUARD Gold Certified Yes
Warranty 1-year limited
Bag Dimensions (L x W x D) 24.1 x 20 x 50
Package Weight (lbs.) 47.3
Fits 2 x 4 Walls No
Fits 2 x 6 Walls No
For Use in Basements No
For Use in Crawlspaces No
For Use in Doors No
For Use in Duct No
For Use in Electrical No
For Use in Garage Doors No
For Use in Masonry No
For Use in Plumbing No
For Use in Vents No
For Use in Windows No
CA Residents: Prop 65 Warning(s) No
UNSPSC 11162400

Frequently Asked Questions (FAQ):

Q: Can these batts be used in cathedral ceilings?
A: Yes. They feature a thinner profile option designed for cathedral ceilings.


Q: Do the batts include a vapor barrier?
A: Yes, the kraft facing acts as a built-in vapor retarder for moisture control.


Q: What cavity spacing do they fit?
A: They are precut for 24-inch stud/joist spacing with each batt 23.625 inches wide.


Q: Are they safe for indoor air quality?
A: Yes. They are formaldehyde-free and GREENGUARD Gold certified.


Q: How much area does one package cover?
A: The package covers 86.62 square feet and includes 11 precut batts.


Elevate Your Attic with Quiet, Cozy Performance

These R-30 batts wrap your home in a hushed, insulating layer, refining comfort while keeping lines clean and purposeful. The warm kraft facing adds a tailored look that feels considered in cathedral ceilings. Pair with crisp white rafters and minimal hardware for a streamlined install that complements modern and classic spaces alike. It’s a smart, luxurious foundation for energy-efficient living.


Upgrade your attic with R-30 performance and built-in moisture control—choose Johns Manville batts today.

$38.74

Original: $129.12

-70%
Johns Manville R-30 Attic Kraft-Faced Fiberglass Batt Insulation, 86.62-sq ft Coverage (23.625-in W x 48-in L)

$129.12

$38.74

Product Information

Shipping & Returns

Description

R-30 Kraft-faced fiberglass attic batt insulation

Formaldehyde-free Johns Manville R-30 kraft-faced fiberglass batts deliver high thermal performance for attics and cathedral ceilings. Precut to fit 24-in stud spacing, they add moisture control with a built-in vapor retarder while helping reduce sound transmission.


Key Features:

  • High R-Value Performance: R-30 thermal rating for improved energy efficiency in attics and ceilings
  • Built-In Moisture Control: Kraft facing provides an integrated vapor retarder
  • Formaldehyde-Free Fiberglass: Health-conscious material with GREENGUARD Gold certification
  • Easy Installation: Precut batts fit 24-in cavities; press in place and staple tabs if needed
  • Durable & Noncorrosive: Will not rot or mildew; safe around pipes, wiring, and metal studs

Specifications Table:

Specification Details
Coverage Area (Sq. Feet) 86.62
Length (Inches) 48
Width (Inches) 23.625
Thickness (Inches) 10.25
Maximum R-Value 30
Stud Spacing (Inches) 24
Faced/Unfaced Kraft faced
Insulation Type Fiberglass
Formaldehyde Free Yes
For Use in Attics Yes
For Use in Ceilings Yes
For Use in Walls No
For Use in Floors No
Sound Barrier Yes
Vapor Retardant Yes
Framing Type Wood studs
Package Type Multi-pack
Package Count 11
Total Package Quantity 11
Multi-Pack Quantity 4
R-Value per Inch 2.9268
ENERGY STAR Certified Yes
GREENGUARD Gold Certified Yes
Warranty 1-year limited
Bag Dimensions (L x W x D) 24.1 x 20 x 50
Package Weight (lbs.) 47.3
Fits 2 x 4 Walls No
Fits 2 x 6 Walls No
For Use in Basements No
For Use in Crawlspaces No
For Use in Doors No
For Use in Duct No
For Use in Electrical No
For Use in Garage Doors No
For Use in Masonry No
For Use in Plumbing No
For Use in Vents No
For Use in Windows No
CA Residents: Prop 65 Warning(s) No
UNSPSC 11162400

Frequently Asked Questions (FAQ):

Q: Can these batts be used in cathedral ceilings?
A: Yes. They feature a thinner profile option designed for cathedral ceilings.


Q: Do the batts include a vapor barrier?
A: Yes, the kraft facing acts as a built-in vapor retarder for moisture control.


Q: What cavity spacing do they fit?
A: They are precut for 24-inch stud/joist spacing with each batt 23.625 inches wide.


Q: Are they safe for indoor air quality?
A: Yes. They are formaldehyde-free and GREENGUARD Gold certified.


Q: How much area does one package cover?
A: The package covers 86.62 square feet and includes 11 precut batts.


Elevate Your Attic with Quiet, Cozy Performance

These R-30 batts wrap your home in a hushed, insulating layer, refining comfort while keeping lines clean and purposeful. The warm kraft facing adds a tailored look that feels considered in cathedral ceilings. Pair with crisp white rafters and minimal hardware for a streamlined install that complements modern and classic spaces alike. It’s a smart, luxurious foundation for energy-efficient living.


Upgrade your attic with R-30 performance and built-in moisture control—choose Johns Manville batts today.

Johns Manville R-30 Attic Kraft-Faced Fiberglass Batt Insulation, 86.62-sq ft Coverage (23.625-in W x 48-in L) | Super Arbor