Johns Manville R-30 Attic Kraft-Faced Fiberglass Batt Insulation, 86.62-sq ft Coverage (23.625-in W x 48-in L)
SKU: 14811067479

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

Sale price$116.21 Regular price$129.12
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Description

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

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.

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: 14811067479

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Kevin Keegan
Waukegan, US
★★★★★ 3
Runs large
Size: 7 Big Kid, Color: White
Runs very large.
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Reviewed in the United States on June 5, 2026
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Lou
Louisville, US
★★★★★ 5
a little roomy for narrow feet.
Size: 6 Big Kid, Color: Black/Black
Nice shoes. My little one has narrow feet so they are a little lose. Overall, a nice shoe.
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Reviewed in the United States on June 4, 2026
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KNE
Birmingham, US
★★★★★ 5
comfortable
Size: 7 Big Kid, Color: Black/Black
super comfortable!
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Reviewed in the United States on May 30, 2026
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Mike Summers
Carnegie, US
★★★★★ 5
Great shoes
Size: 5 Big Kid, Color: Navy/Blue
Loved them but bought a size too small so had to buy another pair…my bad 🤦🏽‍♀️
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Reviewed in the United States on May 20, 2026
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The Pacific Northwesterners
Belleville, US
★★★★★ 4
Comfortable and Easy to Wear Daily
Size: 2 Little Kid, Color: Navy/Blue
My daughter has been wearing these navy/blue shoes since the weather has been less rainy and more sunny. They are great for outdoor play, especially on days when it's warm outside. The knit mesh upper keeps her feet from overheating, and the cushioned insole feels supportive without being stiff. At size 2, the fit is accurate and the width runs a bit roomy, which gave her some growing room without feeling loose. The slip-on design with elastic laces and pull tabs is a real plus. She can get them on and off without any help, which she loves. The shoes are light enough that she barely notices them during long active days. My one small complaint is that the sole feels more like firm foam than rubber, so they can be a little slippery on smooth indoor floors. For the price, these deliver solid everyday value. They look good, hold up well to regular use, and my daughter reaches for them first most mornings. Pros: - Breathable mesh keeps feet cool - Easy slip-on design with elastic laces and pull tabs - Lightweight and comfortable for all-day wear - Accurate sizing with a roomy width - Durable for the price Cons: - Sole can be slippery on hard smooth surfaces - Limited outsole grip compared to rubber-soled shoes
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Reviewed in the United States on June 1, 2026

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