R-21 EcoBatt Unfaced Fiberglass Insulation Batts, 5-1/2 x 15" x 93", 67.81 sq. ft. Coverage

R-21 EcoBatt Unfaced Fiberglass Insulation Batts, 5-1/2 x 15" x 93", 67.81 sq. ft. Coverage

Regular price $63.02

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R-21 EcoBatt Unfaced Fiberglass Insulation Batts

High-density R-21 EcoBatt unfaced fiberglass batts deliver thermal and acoustic performance for 2x6 wall assemblies. Sized 5-1/2 in. x 15 in. x 93 in., each pack covers 67.81 sq. ft. for efficient installation in standard 16" on-center framing.


Key Features:

  • R-21 Thermal Performance: Optimized for 2x6 wall cavities to improve energy efficiency and comfort
  • High-Density Batts: Snug fit in 16" on-center wood framing reduces gaps and voids
  • Unfaced Design: Ideal where a separate vapor retarder is used or not required
  • EcoBatt Technology: Fiberglass insulation made with formaldehyde-free ECOSE technology
  • Generous Coverage: Pack covers 67.81 sq. ft. for streamlined project planning

Specifications Table:

Specification Details
R-Value R-21
Product type Unfaced fiberglass insulation batts
Dimensions (each batt) 5-1/2 in. x 15 in. x 93 in.
Coverage per pack 67.81 sq. ft.
Intended framing 16 in. on-center wood framing
Cavity application 2x6 wall assemblies
Technology ECOSE formaldehyde-free binder
Density High-density batts

Frequently Asked Questions (FAQ):

Q: Can these batts be used in 2x6 wall assemblies?
A: Yes, the 5-1/2 in. thickness and R-21 rating are designed for 2x6 wall cavities.


Q: Do these batts include a vapor retarder?
A: No, they are unfaced; install a separate vapor retarder if required by code or climate.


Q: What is the coverage per pack?
A: Each pack provides approximately 67.81 square feet of coverage.


Q: Will they fit standard 16" on-center framing?
A: Yes, the 15" width is intended to fit 16" on-center wood studs.


Q: Are they made with formaldehyde-free binder?
A: Yes, EcoBatt uses ECOSE Technology, a formaldehyde-free binder.


Quiet Comfort Meets Clean Craft

EcoBatt R-21 batts cocoon your walls in a hush, refining the acoustics while elevating thermal comfort. The unfaced, high-density profile slips neatly into 16-inch bays, keeping lines crisp and installations seamless. Pair it with a thoughtfully selected vapor retarder and gypsum board for a polished, gallery-ready envelope. It’s a smart, eco-forward layer that underpins luxurious living with effortless ease.


Upgrade your 2x6 walls with EcoBatt R-21 unfaced batts for cleaner installs, quieter rooms, and lasting energy savings.

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