R-30 Unfaced Fiberglass Attic Batt Insulation

High-performance R-30 unfaced fiberglass batts designed for attics and other wood-framed spaces. Pre-cut to 19 in x 48 in for easy placement, this insulation boosts energy efficiency and helps reduce noise while maintaining indoor air quality with GREENGUARD Gold certification.

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Key Features:

• Energy Efficiency & Comfort: R-30 fiberglass batts help reduce heat loss and improve home comfort
• Unfaced Design: No vapor barrier—ideal for layering over existing insulation
• Pre-Cut Convenience: 19 in x 48 in batts press into place between joists for quick install
• Durable & Safe: Will not rot or corrode; formaldehyde-free and noncorrosive to pipes and wiring
• Certified Indoor Air Quality: GREENGUARD Gold and SCS Recycled Content certified; ENERGY STAR partner

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Specifications Table:

Specification	Details
Coverage Area (Sq. Feet)	69.66
Length (Inches)	48
Width (Inches)	19
Thickness (Inches)	10.25
Faced/Unfaced	Unfaced
Insulation Type	Fiberglass
Maximum R-Value	30
R-Value per Inch	2.9268
For Use in Attics	Yes
For Use in Basements	Yes
For Use in Ceilings	Yes
For Use in Floors	Yes
For Use in Crawlspaces	No
For Use in Walls	No
Sound Barrier	Yes
Formaldehyde Free	Yes
Framing Type	Wood studs
Stud Spacing (Inches)	19
Vapor Retardant	No
ENERGY STAR Certified	Yes
GREENGUARD Gold Certified	Yes
Warranty	1-year limited
Package Weight (lbs.)	27.03
Bag Dimensions (L x W x D)	20 x 20 x 50
Fits 2 x 4 Walls	No
Fits 2 x 6 Walls	No
CA Residents: Prop 65 Warning(s)	No
UNSPSC	11162400

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Frequently Asked Questions (FAQ):

Q: Can these batts be used in attics only?
A: They are optimized for attics but also suitable for wood-framed ceilings, basements, and floors.

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Q: Do I need a vapor barrier?
A: These are unfaced batts without a vapor barrier—use where a separate vapor retarder is not required or add one per local code.

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Q: What coverage does one package provide?
A: 69.66 sq ft total coverage with batts sized 19 in x 48 in.

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Q: Are the batts easy to install?
A: Yes, they are pre-cut and designed to press in place between joists; no special tools required for basic installation.

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Q: Are there indoor air quality certifications?
A: Yes—GREENGUARD Gold Certified and SCS Recycled Content certified; formaldehyde-free.

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Quiet, cozy performance for elevated attic design

This R-30 fiberglass batt creates a serene envelope, muting noise while stabilizing temperature throughout the home. The crisp, unfaced profile slips neatly between joists, streamlining installation and keeping lines clean. Layer it to achieve a plush, tailored look in the attic—functional and refined. It’s a smart, luxurious foundation for comfortable living.

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Upgrade your attic with JM R-30 batts today for immediate energy savings and year-round comfort.