R-19 Kraft-Faced Fiberglass Roll Insulation, 48.96-sq ft

Formalaldehyde-free kraft-faced fiberglass roll insulation designed for 2x6 wood-stud walls and floors. Provides R-19 thermal performance with integrated vapor retarder for moisture control and sound reduction.

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Key Features:

• Designed for 2x6 Wood Stud Walls: Optimized for 16-in on-center stud spacing and long, unobstructed runs
• Built-In Vapor Retarder: Kraft facing helps control moisture and improves durability
• Energy & Sound Control: R-19 thermal performance enhances efficiency and reduces noise
• Easy Installation: Press in place between studs; staple tabs for secure fit
• Healthy Indoor Air: Formaldehyde-free, GREENGUARD Gold and SCS certified

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Specifications Table:

Specification	Details
Coverage Area (Sq. Feet)	48.96
Length (Feet)	39.167
Width (Inches)	15
Thickness (Inches)	6.5
Faced/Unfaced	Kraft faced
Fits 2 x 6 Walls	Yes
Fits 2 x 4 Walls	No
For Use in Floors	Yes
For Use in Walls	Yes
For Use in Attics	No
For Use in Ceilings	No
For Use in Crawlspaces	No
For Use in Masonry	No
Framing Type	Wood studs
Insulation Type	Fiberglass
Maximum R-Value	19
R-Value per Inch	2.9231
Stud Spacing (Inches)	16
Vapor Retardant	Yes
Sound Barrier	Yes
Reflective	No
Formaldehyde Free	Yes
ENERGY STAR Certified	Yes
GREENGUARD Gold Certified	Yes
Warranty	1-year limited
Package Type	Multi-pack
Package Count	12
Total Package Quantity	12
Bag Dimensions (L x W x D)	15.5 x 19 x 26
UNSPSC	30141500

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Frequently Asked Questions (FAQ):

Q: How much area does one roll cover?
A: Each roll covers 48.96 sq ft (15-in width x 39.167-ft length).

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Q: Where can I use this insulation?
A: For 2x6 wood-framed walls and floors; not intended for attics, ceilings, crawlspaces, or masonry.

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Q: Do I need a separate vapor barrier?
A: No—this product is kraft-faced and includes an integral vapor retarder.

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Q: Is it safe for indoor air quality?
A: Yes—it's formaldehyde-free and GREENGUARD Gold/SCS certified.

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Q: How is it installed?
A: Unroll, fit between studs, and staple the facing tabs to framing as needed for securement.

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Warmth, Quiet, and Clean Lines for Your Walls

This kraft-faced roll tucks neatly into 2x6 framing, creating a smooth, tailored envelope that elevates comfort. The natural tone of the facing delivers an honest, utilitarian aesthetic while the R-19 core hushes sound and stabilizes temperature. Style it with crisp, sealed seams for a refined, builder-grade look before drywall. It’s a quiet luxury essential—efficient, healthy, and impeccably finished.

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Upgrade your walls with R-19 performance—choose Johns Manville kraft-faced rolls for easy installation, moisture control, and long‑lasting comfort.