Knauf EcoBatt Pro Cut R-38 Unfaced Fiberglass Batt Insulation, 24 in x 48 in, 12 in Thick, 64 sq-ft (5001657)

Regular price $104.82

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R-38 Unfaced Fiberglass Batt Insulation (24 in x 48 in, 64 sq-ft)

Knauf® unfaced fiberglass batt insulation delivers R-38 thermal performance to help improve comfort and reduce heat loss in framed spaces. Designed to cut easily and recover quickly to full thickness for a snug fit, it also helps with sound control in walls and ceilings.


Key Features:

  • High R-Value Performance: R-38 batt helps maintain indoor temperatures and improve comfort in framed cavities.
  • Fast, Clean Handling: Cuts easily, resists tears, and installs quickly with low dust.
  • Snug Fit Resiliency: Highly resilient batt recovers quickly to full thickness for consistent coverage.
  • Unfaced Flexibility: Works with the specifier’s choice of vapor retarder strategy (where required).
  • Sound Control Benefit: Suitable for partition walls and ceiling applications where noise reduction is desired.

Specifications Table:

Specification Details
R-Value R-38
Insulation Type Batt
Facing Type Unfaced
Material Fiberglass
Width 24 in
Length 48 in
Thickness 12 in
Coverage Area 64 sq-ft
Color Brown
Series Pro Cut Series
Sub Brand Performance+®
Additional Information Staple-Free
Resists Tear
Installation Type Attic, Basement, Ceiling, Crawlspace, Floor, Wall
Temperature Rating 400 deg F
Fire Hazard Classification (ASTM E84) 25/50 or less

Frequently Asked Questions (FAQ):

Q: Is this insulation faced or unfaced?
A: It is unfaced fiberglass batt insulation.


Q: What area does one package cover?
A: One package covers 64 sq-ft.


Q: What are the batt dimensions and thickness?
A: Each batt is 24 in wide x 48 in long and 12 in thick.


Q: Where can this batt insulation be installed?
A: It’s listed for attic, basement, ceiling, crawlspace, floor, wall, and partition wall applications.


Q: What is the R-value?
A: The insulation is rated R-38.


Quiet Comfort, Seamlessly Built In

Think of this as the invisible luxury—R-38 performance that makes a room feel calm, cocooned, and impeccably finished. The unfaced batt slips into framed cavities with a clean, tailored fit, supporting both thermal comfort and sound-softening serenity. Use it behind statement walls, media rooms, or serene bedrooms where you want the design to speak—without the noise. It’s the kind of foundational upgrade that quietly elevates everyday living.


Upgrade your comfort and quiet—add this R-38 Knauf® unfaced fiberglass batt to your project today.

Warranty

Installation

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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