Knauf Insulation EcoBatt R-11 Kraft-Faced Fiberglass Insulation Batts, 3.5 in x 15 in x 105 in, 175 sq ft

Regular price $402.04

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EcoBatt R-11 Kraft-Faced Fiberglass Insulation Batts (3.5x15x105)

EcoBatt R-11 kraft-faced fiberglass batts deliver reliable thermal and acoustic performance for 2x4 wall cavities. Made with ECOSE Technology and over 50% recycled glass, these flexible batts are easy to cut and install while providing 175 sq ft of coverage per bag.


Key Features:

  • R-11 Thermal Performance: Ideal for 2x4 walls to improve comfort and energy efficiency
  • Kraft Facing: Integral vapor retarder for exterior walls and conditioned spaces
  • ECOSE Technology: Binder made from rapidly renewable materials with no added formaldehyde
  • Sound Control: Helps reduce noise transfer between rooms and floors
  • Easy Handling: Soft, resilient batts that cut cleanly and friction-fit into standard stud bays

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
R-Value R-11
Facing Kraft
Material Fiberglass (glass mineral wool)
Thickness 3.5 in
Width 15 in
Length 105 in
Coverage per Bag 175 sq ft
Form Batt
Technology ECOSE Technology binder (no added formaldehyde)

Frequently Asked Questions (FAQ):

Q: What are the dimensions and coverage of this variant?
A: Each batt is 3.5 in thick, 15 in wide, and 105 in long; total coverage is 175 sq ft per bag.


Q: Is the insulation formaldehyde-free?
A: Yes, EcoBatt uses ECOSE Technology with no added formaldehyde and is GREENGUARD certified.


Q: Where should I use R-11 batts?
A: Use in 2x4 wood- or metal-stud walls, basements, and interior partitions where R-11 is specified.


Q: Do I need staples for kraft-faced batts?
A: Yes, staple the flanges to studs per the installation guide to secure and maintain the vapor retarder.


Q: Can this help with sound reduction?
A: Yes, fiberglass batts provide effective acoustic damping in interior walls and floor cavities.


Quiet Comfort with a Natural Touch

EcoBatt’s warm, earthy hue and feather-soft fiber bring a refined, natural sensibility to the bones of your home. The kraft facing creates a crisp, tailored line within each stud bay—beautifully organized even before the drywall goes up. I love using R-11 in interior partitions to hush busy zones like kitchens and laundry rooms. It’s a discreet luxury that elevates everyday living with serene, efficient comfort.


Upgrade your walls with EcoBatt R-11 today for quieter rooms, easier installs, and dependable energy savings.

Installation

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