R-30 Unfaced Fiberglass Batt Insulation, 24 in x 48 in

Improve thermal performance and sound control in attics and ceilings with Johns Manville R-30 unfaced fiberglass batts. Precut to 24 in x 48 in for 24-in on-center framing, these formaldehyde-free batts cover 88 sq ft per package and are GREENGUARD Gold certified.

Key Features:

• High R-Value Thermal Performance: R-30 fiberglass batts help boost energy efficiency and comfort
• Unfaced Design: No vapor retarder—ideal for adding over existing insulation where permitted
• Precut for Easy Install: 24 in x 48 in batts fit 24-in on-center wood studs; simply press in place
• Durable and Safe: Will not rot, mildew, or corrode pipes/wiring; formaldehyde-free and noncorrosive
• Certified Air Quality: GREENGUARD Gold and SCS recycled content certifications

Specifications Table:

Frequently Asked Questions (FAQ):

Q: How much area does one package cover?
A: One package covers 88 square feet.

Q: Where can I use these batts?
A: They are designed for wood-framed attics, ceilings, basements, and floors; not for walls or crawlspaces per listing.

Q: Do these batts have a vapor barrier?
A: No, they are unfaced and contain no vapor retarder.

Q: What are the dimensions and thickness?
A: Each batt is 24 in wide by 48 in long with a nominal thickness of 10.25 in.

Q: Are there any certifications?
A: Yes—ENERGY STAR partner, GREENGUARD Gold Certified, and SCS Recycled Content certified.

Silent Comfort, Tailored for the Attic

These alabaster batts bring a serene hush to the home, cocooning your upper floors in quiet luxury while elevating energy performance. I love the crisp, uniform edges—precut to slip neatly between joists for an impeccably tidy install. Layer them generously in the attic for a plush, cloudlike blanket that improves acoustics and keeps temperatures consistent. It’s an elegant essential for crafting a refined, comfortable sanctuary from the roof down.

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