







Knauf Insulation R-38 EcoBatt Kraft Faced Fiberglass Insulation Batt, 12" x 16" x 48", 58.67 sq. ft.
R-38 EcoBatt Kraft Faced Fiberglass Insulation Batt
High-performance R-38 fiberglass batts with durable kraft vapor retarder for attics and ceilings. Pre-cut 12 in. x 16 in. x 48 in. pieces install quickly, delivering strong thermal and sound control with formaldehyde‑free ECOSE Technology.
Key Features:
- High R-Value Efficiency: R-38 thermal performance helps reduce heating and cooling costs in attics and cathedral ceilings
- Durable Kraft Facing: Built-in vapor retarder for moisture control; marked in 1 ft increments for easy stapling
- Fast, Clean Installation: Pre-cut batts fit 16 in. cavities, recover quickly out of the bag, and produce low dust
- Sustainable Materials: Formaldehyde-free ECOSE Technology with recycled glass; GREENGUARD Gold certified
- Acoustic Comfort: Fiberglass construction provides effective sound absorption for quieter spaces
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Batt |
| Roll or Batt | Batt |
| Insulation R-Value | R-38 |
| Faced or Unfaced | Faced (Kraft) |
| Product Thickness | 12 in |
| Product Width | 16 in |
| Product Length | 48 in |
| Batt/Roll Size | 4 ft x 16 in |
| Cover Area Per Bag | 58.67 sq. ft. |
| Number of Pieces (Batts) | 11 |
| Pack Size | 1 |
| Compatible Install Surface | Concrete, Existing Drywall, Metal, Plywood, Wood |
| Insulation Location | Attic, Ceiling, Interior Ceiling, Knee Wall |
| Bag Size | 4.16666667 ft x 17 in x 16 in |
| Product Weight | 30.25 lb |
| Warranty | 1 Year Limited Warranty |
Frequently Asked Questions (FAQ):
Q: How much area does one bag cover?
A: Each bag covers approximately 58.67 sq. ft.
Q: What are the dimensions of each batt?
A: Each batt is 12 in. thick x 16 in. wide x 48 in. long.
Q: Where should this insulation be used?
A: Ideal for attics, cathedral ceilings, interior ceilings, and knee walls.
Q: Is the insulation faced or unfaced?
A: Faced; it includes a kraft vapor retarder.
Q: How many batts are in a bag?
A: 11 pre-cut batts per bag.
Quiet, Cozy, and Beautifully Efficient
EcoBatt’s rich, natural hues and crisp kraft facing create a refined, tailored look inside the structure while delivering enveloping warmth. I love how the generous 12-inch profile fills the cavity for superior thermal and acoustic serenity. Style your project with clean, consistent runs in attic bays for a polished, professional finish. It’s an essential foundation for luxurious comfort and effortless living.
Upgrade your attic with R-38 EcoBatt today for instant comfort, quiet, and energy savings.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
R-38 EcoBatt Kraft Faced Fiberglass Insulation Batt
High-performance R-38 fiberglass batts with durable kraft vapor retarder for attics and ceilings. Pre-cut 12 in. x 16 in. x 48 in. pieces install quickly, delivering strong thermal and sound control with formaldehyde‑free ECOSE Technology.
Key Features:
- High R-Value Efficiency: R-38 thermal performance helps reduce heating and cooling costs in attics and cathedral ceilings
- Durable Kraft Facing: Built-in vapor retarder for moisture control; marked in 1 ft increments for easy stapling
- Fast, Clean Installation: Pre-cut batts fit 16 in. cavities, recover quickly out of the bag, and produce low dust
- Sustainable Materials: Formaldehyde-free ECOSE Technology with recycled glass; GREENGUARD Gold certified
- Acoustic Comfort: Fiberglass construction provides effective sound absorption for quieter spaces
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Batt |
| Roll or Batt | Batt |
| Insulation R-Value | R-38 |
| Faced or Unfaced | Faced (Kraft) |
| Product Thickness | 12 in |
| Product Width | 16 in |
| Product Length | 48 in |
| Batt/Roll Size | 4 ft x 16 in |
| Cover Area Per Bag | 58.67 sq. ft. |
| Number of Pieces (Batts) | 11 |
| Pack Size | 1 |
| Compatible Install Surface | Concrete, Existing Drywall, Metal, Plywood, Wood |
| Insulation Location | Attic, Ceiling, Interior Ceiling, Knee Wall |
| Bag Size | 4.16666667 ft x 17 in x 16 in |
| Product Weight | 30.25 lb |
| Warranty | 1 Year Limited Warranty |
Frequently Asked Questions (FAQ):
Q: How much area does one bag cover?
A: Each bag covers approximately 58.67 sq. ft.
Q: What are the dimensions of each batt?
A: Each batt is 12 in. thick x 16 in. wide x 48 in. long.
Q: Where should this insulation be used?
A: Ideal for attics, cathedral ceilings, interior ceilings, and knee walls.
Q: Is the insulation faced or unfaced?
A: Faced; it includes a kraft vapor retarder.
Q: How many batts are in a bag?
A: 11 pre-cut batts per bag.
Quiet, Cozy, and Beautifully Efficient
EcoBatt’s rich, natural hues and crisp kraft facing create a refined, tailored look inside the structure while delivering enveloping warmth. I love how the generous 12-inch profile fills the cavity for superior thermal and acoustic serenity. Style your project with clean, consistent runs in attic bays for a polished, professional finish. It’s an essential foundation for luxurious comfort and effortless living.
Upgrade your attic with R-38 EcoBatt today for instant comfort, quiet, and energy savings.






















