ROCKWOOL Comfortbatt R-23 Unfaced Mineral Wool Batt Insulation, 5-1/2 in x 15-1/4 in x 47 in (39.82 sq-ft)
Regular price $86.60R-23 Unfaced Mineral Wool Batt Insulation
ROCKWOOL Comfortbatt® is an unfaced mineral wool (stone wool) batt designed to friction-fit into wood or steel stud cavities for dependable thermal performance. Its flexible edge helps it install snugly without over-compressing, while offering fire resistance, moisture resistance, and sound absorbency for a quieter, more comfortable home.
Key Features:
- Flexible Edge Fit: Designed to friction-fit between studs for fast installation and reduced gaps.
- Fire-Resistant Stone Wool: Non-combustible material helps resist flame spread and provides added peace of mind.
- Moisture & Water Resistance: Helps maintain performance in damp-prone areas like basements and crawlspaces.
- Sound Absorbency: Helps reduce noise transfer through walls and floor/ceiling assemblies.
- High Thermal Performance: R-23 batt helps improve energy efficiency and indoor comfort.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Product name | R-23, 5-1/2 in x 15-1/4 in x 47 in, Unfaced, Mineral Wool Batt Insulation, 39.82 sq-ft |
| R-Value | R-23 |
| Coverage area | 39.82 sq-ft |
| Facing type | Unfaced |
| Material | Mineral Wool (Stone Wool) |
| Thickness | 5-1/2 in |
| Width | 15-1/4 in |
| Length | 47 in |
| Installation type | Ceiling |
| Application/Construction | Wood stud construction |
| Density | > 2 lb/cu-ft |
| Sub-brand | Comfortbatt® |
| Manufacturer | ROCKWOOL International A/S |
| Warning | California Residents: Proposition 65 Warning www.P65Warnings.ca.gov |
Frequently Asked Questions (FAQ):
Q: What cavity size is this batt made for?
A: It’s sized for 2x6 wall cavities, measuring 5-1/2 in thick and 15-1/4 in wide to fit standard framing bays.
Q: Is this insulation faced or unfaced?
A: It is unfaced mineral wool batt insulation.
Q: Where can this be installed?
A: It’s intended for exterior wood and steel stud applications and is also suitable for areas like basements and crawlspaces; the listing also notes ceiling installation.
Q: How much area does one package cover?
A: One package covers 39.82 sq-ft.
Q: What material is Comfortbatt made from?
A: It is mineral wool (stone wool) batt insulation.
Quiet Luxury, Hidden in the Walls
Great rooms feel effortless when comfort is engineered into the architecture. These stone wool batts slip into stud bays with a flexible edge that reads like tailoring—precise, snug, and intentional—while helping soften sound and steady temperatures. Use them to elevate bedrooms, media rooms, and basements where silence and warmth make the design feel more considered. It’s the kind of invisible upgrade that turns a house into a sanctuary.
Upgrade your walls or ceilings with ROCKWOOL Comfortbatt® for an easy-fitting, fire-resistant, sound-dampening layer of R-23 comfort.
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