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home > Johns Manville R-30 Attic Kraft-Faced Fiberglass Batt Insulation, 88-sq ft Coverage, 24-in x 48-in, K1243S > Johns Manville R-30 Attic Kraft-Faced Fiberglass Batt Insulation, 88-sq ft Coverage, 24-in x 48-in, K1243S

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Johns Manville R-30 Attic Kraft-Faced Fiberglass Batt Insulation, 88-sq ft Coverage, 24-in x 48-in, K1243SR 30 Kraft Faced Fiberglass Batt Attic Insulation, 24x48 High efficiency R 30 batt insulation designed for wood framed attics, ceilings, and floors. Kraft facing provides a built in vapor retarder for moisture control, while the formaldehyde free fiberglass improves energy efficiency and sound performance. Precut batts offer straightforward installation and 88 sq ft total coverage. Key Features: Built in Moisture Control: Kraft facing acts as a vapor

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R-30 Kraft-Faced Fiberglass Batt Attic Insulation, 24x48

Name: Johns Manville R-30 Attic Kraft-Faced Fiberglass Batt Insulation, 88-sq ft Coverage, 24-in x 48-in, K1243S
Brand: pannenkoekenrestaurants.nl
SKU: 94938830349
Price: 117.55 USD
Availability: InStock
Rating: 4.3294 (76 reviews)

High-efficiency R-30 batt insulation designed for wood-framed attics, ceilings, and floors. Kraft-facing provides a built-in vapor retarder for moisture control, while the formaldehyde-free fiberglass improves energy efficiency and sound performance. Precut batts offer straightforward installation and 88-sq ft total coverage.

Key Features:

Built-in Moisture Control: Kraft-facing acts as a vapor retarder to help manage attic humidity
Energy & Sound Performance: R-30 fiberglass batts reduce heat loss and dampen noise
Simple Installation: Precut 24-in x 48-in batts press in place between 24-in stud/joist spacing
Durable & Noncorrosive: Fiberglass will not rot, mildew, or corrode pipes, wiring, or metal studs
Health-Conscious Certifications: Formaldehyde-free; GREENGUARD Gold and SCS recycled content certified

Specifications Table:

Specification	Details
Coverage Area	88 sq ft
Length	48 in
Width	24 in
Thickness	10.25 in
Faced/Unfaced	Kraft faced
Insulation Type	Fiberglass
Maximum R-Value	R-30
Stud/Joist Spacing	24 in
Pieces per Package	11
Package Type	Multi-pack
Package Weight	36.7 lbs
R-Value per Inch	2.9268
Sound Barrier	Yes
Vapor Retardant	Yes
Formaldehyde Free	Yes
ENERGY STAR Certified	Yes
GREENGUARD Gold Certified	Yes
Warranty	1-year limited
Bag Dimensions (L x W x D)	24.5 x 20 x 50 in
For Use in Attics	Yes
For Use in Ceilings	Yes
For Use in Floors	Yes
For Use in Walls	No

Frequently Asked Questions (FAQ):

Q: How much area does one package cover?
A: This multi-pack covers 88 square feet total with 11 precut batts sized 24 in x 48 in.

Q: Where should I use this insulation?
A: It is intended for wood-framed attics, ceilings, and floors with 24-in stud/joist spacing.

Q: Do I need a separate vapor barrier?
A: No, the kraft-facing provides a built-in vapor retarder; staple the tabs if additional securement is required.

Q: Is it safe for indoor air quality?
A: Yes, it is formaldehyde-free and GREENGUARD Gold Certified.

Q: What tools are recommended for installation?
A: Utility knife, gloves and eyewear, long sleeves, attic ruler, and caulk or spray foam for sealing gaps.

Quiet, Cozy Comfort for the Attic

This kraft-faced batt brings a tailored layer of warmth and hush to overhead spaces, refining comfort from the top down. The clean, precut form factor slips neatly between joists, making installation crisp and orderly. Pair it with light-toned decking and streamlined storage to keep the attic open and serene. It’s a smart, elegant upgrade that elevates everyday living with efficient, luxurious calm.

Upgrade your attic with R-30 performance—add Johns Manville kraft-faced batts to boost efficiency and comfort today.