R-30 Unfaced Fiberglass Roll Insulation, 31.25-sq ft

R-30 unfaced fiberglass roll designed for wood-framed attics and ceilings. Delivers high thermal performance with sound control, covering 31.25 sq ft per roll at 15 in width and 25 ft length.

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Key Features:

• High R-Value Performance: R-30 insulation improves energy efficiency in attics and ceilings
• Unfaced Fiberglass: Ideal for adding to existing insulation; won’t rot or mildew
• Easy Fit for Joists: Sized for 16-in on-center wood stud spacing; press in place
• Health & Air Quality Certifications: Formaldehyde-free and GREENGUARD Gold Certified
• Durable Construction: Noncorrosive to pipes, wiring, and metal studs

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Specifications Table:

Specification	Details
Coverage Area (Sq. Feet)	31.25
Length (Feet)	25
Width (Inches)	15
Thickness (Inches)	10.25
Faced/Unfaced	Unfaced
Insulation Type	Fiberglass
Maximum R-Value	30
R-Value per Inch	2.9268
Framing Type	Wood studs
Stud Spacing (Inches)	16
For Use in Attics	Yes
For Use in Ceilings	Yes
For Use in Walls	No
For Use in Basements	No
For Use in Floors	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
Formaldehyde Free	Yes
Reflective	No
Sound Barrier	Yes
Vapor Retardant	No
ENERGY STAR Certified	Yes
GREENGUARD Gold Certified	Yes
Package Type	Individual pack
Package Count	1
Total Package Quantity	1
Warranty	1-year limited
Bag Dimensions (L x W x D)	15 x 15 x 22
UNSPSC	30141500

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Frequently Asked Questions (FAQ):

Q: Can this be used in walls or basements?
A: No—this unfaced roll is intended for attics and ceilings and is not rated for walls or basements.

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Q: What joist spacing does it fit?
A: Designed for 16-inch on-center wood studs.

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Q: Is a vapor barrier included?
A: No, it is unfaced and not a vapor retardant.

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Q: How much area does one roll cover?
A: 31.25 square feet per roll (15 in W x 25 ft L).

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

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Quiet comfort with clean, modern performance

This R-30 roll cocoons the attic in a soft, cloudlike layer that hushes ambient noise and stabilizes temperatures. Its unfaced profile slips seamlessly between joists, keeping the architecture clean and unobtrusive. Pair it with crisp white ventilation covers and matte black hardware for a refined, utility-chic look. A smart, luxurious foundation for homes that value comfort and efficiency.

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Upgrade your attic with R-30 performance today and start saving on energy bills season after season.