Knauf Insulation EcoBatt R-15 Kraft-Faced Fiberglass Insulation Batt, 3-1/2 in x 23 in x 93 in, 89.13 sq ft

Regular price $74.74

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R-15 EcoBatt Kraft-Faced Fiberglass Insulation Batt (3.5" x 23" x 93")

High-density R-15 EcoBatt fiberglass batts with Kraft facing deliver reliable thermal and acoustic performance for 2x4 wall cavities. Made with ECOSE Technology and over 50% recycled glass, they’re soft to handle, easy to cut, and formaldehyde-free.


Key Features:

  • Efficient Thermal Performance: R-15 high-density batts sized for 2x4 walls to improve energy efficiency
  • Eco-Friendly Composition: Made with ECOSE Technology using over 50% recycled glass; formaldehyde-free and GREENGUARD Gold certified
  • Kraft Vapor Retarder: Kraft facing helps manage moisture in appropriate climate zones
  • Easy Handling: Flexible batts that are soft to the touch, less itchy, and simple to cut for fast installation
  • Sound Control: Helps reduce noise transmission between rooms and floors

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
R-Value R-15
Facing Kraft
Material Fiberglass (glass mineral wool)
Thickness 3.5 in (3-1/2 in)
Width 23 in
Length 93 in
Coverage per bag 89.13 sq ft
Batts per bag 6
Certification GREENGUARD Gold; formaldehyde-free
Recycled Content Over 50% recycled glass
Technology ECOSE Technology
Use Thermal and acoustic insulation for walls and floors

Frequently Asked Questions (FAQ):

Q: How many square feet does this bag cover?
A: This 3.5 in x 23 in x 93 in size covers approximately 89.13 sq ft per bag.


Q: Is the insulation formaldehyde-free?
A: Yes, EcoBatt batts are bonded with ECOSE Technology and are formaldehyde-free, GREENGUARD Gold certified.


Q: Can these batts be used for interior sound control?
A: Yes, they provide effective acoustic performance for interior walls and floors.


Q: Do I need special tools to install?
A: No—batts are easy to cut and fit with a utility knife; follow the installation guide for best results.


Warmth, Whisper, and Texture—Refined Comfort for Everyday Living

EcoBatt’s natural, earthy hue brings a quiet sophistication behind the walls, while its R-15 density shapes rooms with balanced warmth and hush. The Kraft facing creates a clean, tailored layer that installs with grace. Pair with matte black hardware and pale oak finishes to let the calm resonate. It’s the understated essential that elevates a home’s feel to luxurious, lived-in comfort.


Upgrade your 2x4 walls with eco-friendly R-15 performance—add EcoBatt to your cart and insulate smarter today.

Installation

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