



Knauf Insulation EcoBatt R-13 Unfaced Fiberglass Insulation Batts, 3-1/2 in. x 23 in. x 93 in., 163.4 sq. ft.
EcoBatt R-13 Unfaced Fiberglass Insulation Batts (23 in. x 93 in.)
Thermal and acoustical fiberglass batt insulation for walls, floors, and ceilings. Unfaced EcoBatt delivers R-13 performance with low dust and easy handling, covering 163.4 sq. ft. per package.
Key Features:
- R-13 Thermal Performance: Helps improve energy efficiency and comfort in 2x4 wall cavities
- Unfaced Fiberglass Batts: Versatile for various assemblies and vapor control strategies
- EcoBatt with ECOSE Technology: Low-odor, formaldehyde-free binder for better indoor air quality
- Contractor-Friendly Size: 3-1/2 in. x 23 in. x 93 in. batts fit 24 in. on-center framing
- 163.4 sq. ft. Coverage: Ideal for larger projects with consistent, even fill
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Fiberglass batt |
| Facing | Unfaced |
| R-Value | R-13 |
| Width | 23 in |
| Length | 93 in |
| Thickness | 3-1/2 in |
| Coverage Area | 163.4 sq. ft. per package |
| Series | B66AK |
| Quantity in Master Bag | 8 |
| Use Location | Attic, Basement, Ceiling, Crawlspace, Wall, Floor |
Frequently Asked Questions (FAQ):
Q: What framing does this size fit?
A: These 23 in. x 93 in. batts fit 24 in. on-center stud or joist spacing for 8-ft. to 9-ft. runs in 2x4 cavities (3-1/2 in. depth).
Q: Is a vapor retarder included?
A: No. These are unfaced batts; add a separate vapor retarder if required by local code.
Q: Where can I use it?
A: Suitable for walls, floors, ceilings, attics, crawlspaces, and basements where R-13 is specified.
Q: How much area does one package cover?
A: One package covers 163.4 square feet.
Q: What is the material?
A: Inorganic fiberglass bonded with ECOSE technology binder.
Quiet Comfort, Clean Lines
EcoBatt nestles into a wall cavity to hush the room and steady the climate, letting finishes truly shine. The unfaced profile keeps assemblies streamlined while ECOSE technology delivers a cleaner, low-odor install. Pair it with smooth drywall and matte hardware to heighten the calm, gallery-like vibe. It’s a discreet luxury—comfort you feel, not see.
Upgrade your project’s comfort and efficiency—add EcoBatt R-13 Unfaced to your cart today.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
EcoBatt R-13 Unfaced Fiberglass Insulation Batts (23 in. x 93 in.)
Thermal and acoustical fiberglass batt insulation for walls, floors, and ceilings. Unfaced EcoBatt delivers R-13 performance with low dust and easy handling, covering 163.4 sq. ft. per package.
Key Features:
- R-13 Thermal Performance: Helps improve energy efficiency and comfort in 2x4 wall cavities
- Unfaced Fiberglass Batts: Versatile for various assemblies and vapor control strategies
- EcoBatt with ECOSE Technology: Low-odor, formaldehyde-free binder for better indoor air quality
- Contractor-Friendly Size: 3-1/2 in. x 23 in. x 93 in. batts fit 24 in. on-center framing
- 163.4 sq. ft. Coverage: Ideal for larger projects with consistent, even fill
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Fiberglass batt |
| Facing | Unfaced |
| R-Value | R-13 |
| Width | 23 in |
| Length | 93 in |
| Thickness | 3-1/2 in |
| Coverage Area | 163.4 sq. ft. per package |
| Series | B66AK |
| Quantity in Master Bag | 8 |
| Use Location | Attic, Basement, Ceiling, Crawlspace, Wall, Floor |
Frequently Asked Questions (FAQ):
Q: What framing does this size fit?
A: These 23 in. x 93 in. batts fit 24 in. on-center stud or joist spacing for 8-ft. to 9-ft. runs in 2x4 cavities (3-1/2 in. depth).
Q: Is a vapor retarder included?
A: No. These are unfaced batts; add a separate vapor retarder if required by local code.
Q: Where can I use it?
A: Suitable for walls, floors, ceilings, attics, crawlspaces, and basements where R-13 is specified.
Q: How much area does one package cover?
A: One package covers 163.4 square feet.
Q: What is the material?
A: Inorganic fiberglass bonded with ECOSE technology binder.
Quiet Comfort, Clean Lines
EcoBatt nestles into a wall cavity to hush the room and steady the climate, letting finishes truly shine. The unfaced profile keeps assemblies streamlined while ECOSE technology delivers a cleaner, low-odor install. Pair it with smooth drywall and matte hardware to heighten the calm, gallery-like vibe. It’s a discreet luxury—comfort you feel, not see.
Upgrade your project’s comfort and efficiency—add EcoBatt R-13 Unfaced to your cart today.






















