Knauf Insulation R-13 EcoBatt Unfaced Fiberglass Insulation Batt, 3.5 in x 24 in x 96 in, 176 sq ft

Regular price $834.98

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R-13 EcoBatt Unfaced Fiberglass Insulation Batts, 24 in x 96 in

Pre-cut R-13 EcoBatt unfaced fiberglass batts for 2x4 walls deliver reliable thermal and sound control with ECOSE Technology. Softer, low-dust fibers expand quickly for a snug fit and easy installation in walls, floors, and ceilings.


Key Features:

  • R-13 Thermal Performance: Ideal for 2x4 framed walls, floors, and ceilings
  • Eco-Friendly ECOSE Technology: Formaldehyde-free binder with high recycled glass content
  • Pre-Cut Convenience: 96 in L x 24 in W x 3.5 in T batts fit standard cavities
  • Low Dust, Easy to Cut: Friction-fit batts install quickly and stay in place
  • 176 sq ft Coverage per Bag: Efficient compression packaging for transport and storage

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Insulation Type Batt
Material Fiberglass
Faced or Unfaced Unfaced
R-Value R-13
Batt Size 96 in L x 24 in W x 3.5 in T
Fits Stud Size 2x4 walls (4 in steel or wood studs)
Coverage per Bag 176 sq ft
Pack Size 8 bags (total 1,408 sq ft) per referenced listing
Number of Pieces 88 batts (per 8-bag bundle)
Product Weight 44.99 lb
Insulation Features Friction fit, soundproofing
Install Locations Attic, basement, floors, ceilings, interior ceilings, knee walls
Compatible Surfaces Concrete, existing drywall/insulation, fiberglass, metal, PVC/CPVC, PEX, plywood, tile flooring, wood
Bag Size 4.1667 ft x 25 in x 24 in

Frequently Asked Questions (FAQ):

Q: How much area does one bag cover?
A: Each bag covers 176 sq ft of area with R-13 batts sized 96 in x 24 in x 3.5 in.


Q: Is this insulation faced?
A: No, these are unfaced fiberglass batts.


Q: Where can I install these batts?
A: Suitable for 2x4 walls and use in attics, floors, basements, ceilings, interior ceilings, and knee walls.


Q: What is the R-value?
A: R-13.


Q: Is there a warranty?
A: Yes, 1-year limited warranty per manufacturer documentation.


Quiet comfort, naturally refined

EcoBatt’s soft neutral tone melts into the architecture while elevating acoustics and comfort. I love its unfaced, friction-fit design—it slips neatly into 2x4 cavities and springs to full loft for a tailored finish behind the walls. Pair it with crisp gypsum board and slim reveal trims to craft serene, gallery-caliber rooms. This is the invisible luxury that makes spaces feel exquisitely calm and composed.


Upgrade your walls with EcoBatt R-13 for quieter, more comfortable rooms—order your coverage today.

Warranty

Installation

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