ROCKWOOL Comfortbatt R-13 Unfaced Mineral Wool Batt Insulation – 3-1/2 in x 15-1/4 in x 47 in (59.73 sq ft)
Regular price $70.24R-13 Unfaced Mineral Wool Batt Insulation
ROCKWOOL Comfortbatt® is an unfaced mineral wool batt designed for wood or steel stud cavities to improve thermal performance and comfort. Its flexible edge friction-fits for a snug install while helping maintain R-value, and the stone wool construction adds fire resistance, moisture resistance, and sound absorption.
Key Features:
- Flexible Edge Fit: Friction-fits into stud bays for a snug hold and easier installation with less over-compression.
- Fire Resistant Stone Wool: Non-combustible insulation designed to resist fire and limit smoke development.
- Moisture Resistant Performance: Helps resist water and moisture for more durable in-cavity insulation.
- Sound Absorbency: Dense mineral wool helps reduce noise transfer between rooms and floors.
- Healthier Indoor Air Support: GREENGUARD Gold Certified to support a healthier indoor environment.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Product name | R-13, 3-1/2 in x 15-1/4 in x 47 in, Unfaced, Mineral Wool Batt Insulation, 59.73 sq-ft |
| Brand | ROCKWOOL® |
| Sub-brand | Comfortbatt® |
| R-Value | R-13 |
| Material | Mineral Wool (Stone Wool) |
| Facing type | Unfaced |
| Thickness | 3-1/2 in |
| Width | 15-1/4 in |
| Length | 47 in |
| Coverage area | 59.73 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 |
| Warning | California Residents: Proposition 65 Warning www.P65Warnings.ca.gov |
Frequently Asked Questions (FAQ):
Q: Is this batt faced or unfaced?
A: It is unfaced mineral wool batt insulation.
Q: What stud cavity is it sized for?
A: It is 15-1/4 in wide for typical 16 in on-center stud bays and is 3-1/2 in thick for 2x4 cavities.
Q: Where can it be installed?
A: It’s intended for exterior wood and steel stud applications and is also listed for ceiling installation.
Q: How much area does one package cover?
A: One package covers 59.73 sq ft.
Q: What makes Comfortbatt easier to install than some other batts?
A: It uses a flexible edge designed to friction-fit in cavities, helping reduce gaps and avoid over-compression that can reduce performance.
Quiet Luxury, Built Into the Walls
Comfort isn’t just a temperature—it’s a mood, and ROCKWOOL Comfortbatt® elevates it invisibly with dense, mineral-wool performance tucked cleanly into the framing. That flexible edge detail is the kind of quiet design intelligence I love: it slips in with intention, holding a crisp, tailored fit. Use it to refine bedrooms, media rooms, or any space where serenity and efficiency should feel effortless. It’s the behind-the-scenes layer that makes a home feel undeniably more luxurious.
Upgrade your walls and ceilings with ROCKWOOL Comfortbatt® for a snug-fitting, fire-resistant insulation layer that boosts comfort and quiet.
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