ROCKWOOL Comfortbatt R-38 Unfaced Mineral Wool Batt Insulation, 23 in x 47 in (22.52 sq-ft)
R-38 Unfaced Mineral Wool Batt Insulation
ROCKWOOL Comfortbatt is a stone wool (mineral wool) thermal batt insulation designed for exterior wood and steel stud applications. Its flexible edge helps create a snug fit to reduce gaps while maintaining R-value, and it also provides fire resistance, moisture resistance, and sound absorbency.
Key Features:
- High Thermal Performance: R-38 batt helps improve a home’s energy efficiency in wall and ceiling assemblies
- Flexible Edge Fit: Compressible edge installs easily and helps minimize gaps and over-compression
- Fire Resistant Stone Wool: Non-combustible and designed to resist flame spread and toxic smoke development
- Moisture & Water Resistant: Helps resist water and moisture for more resilient wall/ceiling assemblies
- Sound Absorbing: Excellent acoustical performance to help reduce noise transfer
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| R-Value | R-38 |
| Insulation Type | Batt insulation |
| Material | Mineral wool (stone wool) |
| Facing Type | Unfaced |
| Width | 23 in |
| Length | 47 in |
| Thickness | 9-1/2 in |
| Coverage Area | 22.52 sq-ft |
| Installation Type | Ceiling |
| Application | Exterior wood and steel stud applications |
| Construction Type | Wood stud construction |
| Density | >2 lb/cu-ft |
| Certification | GREENGUARD Gold Certified |
| Performance Attributes | Non-combustible; fire resistant; water and moisture resistance; excellent sound absorbency |
Frequently Asked Questions (FAQ):
Q: What type of construction is this batt designed for?
A: It’s designed for exterior wood and steel stud applications (wood stud construction is specifically noted).
Q: Is this insulation faced or unfaced?
A: It is unfaced.
Q: What area does one package cover?
A: 22.52 sq-ft of coverage.
Q: What are the batt dimensions and thickness?
A: Each batt is 23 in wide x 47 in long, with 9-1/2 in thickness.
Q: Where is it listed for installation use?
A: Ceiling installation is listed (also commonly used in stud cavities per the product description).
Quiet luxury, built into the bones of the home
Great design isn’t only what you see—it’s what you feel: stillness, warmth, and a sense of calm that lingers in every room. This stone wool batt brings a beautifully pragmatic kind of comfort with a flexible edge that hugs framing for a cleaner, more continuous thermal layer. Use it to elevate bedrooms, media rooms, and upper floors where quiet and temperature stability define everyday indulgence. It’s the invisible foundation that makes a space feel truly considered—and unmistakably luxurious.
Upgrade your walls or ceiling with ROCKWOOL Comfortbatt R-38 for a snug-fitting, high-performing insulation layer that supports comfort and efficiency.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
R-38 Unfaced Mineral Wool Batt Insulation
ROCKWOOL Comfortbatt is a stone wool (mineral wool) thermal batt insulation designed for exterior wood and steel stud applications. Its flexible edge helps create a snug fit to reduce gaps while maintaining R-value, and it also provides fire resistance, moisture resistance, and sound absorbency.
Key Features:
- High Thermal Performance: R-38 batt helps improve a home’s energy efficiency in wall and ceiling assemblies
- Flexible Edge Fit: Compressible edge installs easily and helps minimize gaps and over-compression
- Fire Resistant Stone Wool: Non-combustible and designed to resist flame spread and toxic smoke development
- Moisture & Water Resistant: Helps resist water and moisture for more resilient wall/ceiling assemblies
- Sound Absorbing: Excellent acoustical performance to help reduce noise transfer
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| R-Value | R-38 |
| Insulation Type | Batt insulation |
| Material | Mineral wool (stone wool) |
| Facing Type | Unfaced |
| Width | 23 in |
| Length | 47 in |
| Thickness | 9-1/2 in |
| Coverage Area | 22.52 sq-ft |
| Installation Type | Ceiling |
| Application | Exterior wood and steel stud applications |
| Construction Type | Wood stud construction |
| Density | >2 lb/cu-ft |
| Certification | GREENGUARD Gold Certified |
| Performance Attributes | Non-combustible; fire resistant; water and moisture resistance; excellent sound absorbency |
Frequently Asked Questions (FAQ):
Q: What type of construction is this batt designed for?
A: It’s designed for exterior wood and steel stud applications (wood stud construction is specifically noted).
Q: Is this insulation faced or unfaced?
A: It is unfaced.
Q: What area does one package cover?
A: 22.52 sq-ft of coverage.
Q: What are the batt dimensions and thickness?
A: Each batt is 23 in wide x 47 in long, with 9-1/2 in thickness.
Q: Where is it listed for installation use?
A: Ceiling installation is listed (also commonly used in stud cavities per the product description).
Quiet luxury, built into the bones of the home
Great design isn’t only what you see—it’s what you feel: stillness, warmth, and a sense of calm that lingers in every room. This stone wool batt brings a beautifully pragmatic kind of comfort with a flexible edge that hugs framing for a cleaner, more continuous thermal layer. Use it to elevate bedrooms, media rooms, and upper floors where quiet and temperature stability define everyday indulgence. It’s the invisible foundation that makes a space feel truly considered—and unmistakably luxurious.
Upgrade your walls or ceiling with ROCKWOOL Comfortbatt R-38 for a snug-fitting, high-performing insulation layer that supports comfort and efficiency.
