The Story
R-30 Unfaced Mineral Wool Batt Insulation
ROCKWOOL Comfortbatt® is an unfaced stone wool batt insulation designed for wood and steel stud applications to boost comfort and energy efficiency. Its flexible edge helps it friction-fit into framing, while non-combustible, moisture-resistant performance also improves sound control.
Key Features:
- Flexible Edge Fit: Friction-fits into stud cavities for easier installation while helping maintain rated R-value.
- Fire-Resistant Mineral Wool: Non-combustible insulation designed to resist flame spread and smoke development.
- Sound Dampening: Excellent sound absorption helps reduce noise transfer between rooms.
- Moisture & Mold Resistance: Water-resistant stone wool won’t rot or promote fungi/mildew growth.
- Cut-to-Size Convenience: Easily cut for fast fitting around wiring and framing details.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | ROCKWOOL® |
| Product line / sub-brand | Comfortbatt |
| Product type | Mineral wool (stone wool) batt insulation |
| R-Value | R-30 |
| Facing type | Unfaced |
| Thickness | 7-1/4 in |
| Width | 23 in |
| Length | 47 in |
| Coverage area | 30.03 sq-ft |
| Color | Amber |
| Density | >2 pcf |
| For use with | Wood stud framing (also described for wood and steel stud applications) |
| Installation type | Ceiling |
| Flame spread index | 0 |
| Smoke developed index | 0 |
| Standards/Certifications | ASTM C167; ASTM C518; CAN/ULC S702; CAN/ULC S102; CAN/ULC S114; GREENGUARD Gold Certified |
| Features | Easily cut; Non-combustible; Excellent sound absorption; Does not rot or promote the growth of fungi or mildew; Low moisture absorption; Water and moisture resistant (does not absorb moisture to maintain insulating value) |
| Manufacturer | ROCKWOOL International A/S |
| Proposition 65 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 area does one package cover?
A: Each package covers 30.03 sq ft.
Q: What framing is it intended for?
A: It’s intended for exterior wood and steel stud applications (listed for wood stud framing).
Q: Can it help with fire safety and smoke?
A: It’s listed as non-combustible with flame spread index 0 and smoke developed index 0.
Q: Does it resist moisture and mold?
A: Yes—stone wool is water/moisture resistant and is noted as not rotting or promoting fungi/mildew growth.
Quiet luxury, engineered behind the walls
Think of this as the invisible layer of calm that makes a room feel finished—warmer, quieter, and more composed. The dense, unfaced stone wool batt has a beautifully utilitarian edge: it flexes into place with a tailored fit that feels almost architectural. Use it to elevate bedrooms, media rooms, or any space where serenity matters as much as style. It’s the kind of behind-the-scenes essential that defines truly luxurious living.
Upgrade your walls or ceilings with ROCKWOOL Comfortbatt® for dependable R-30 comfort, sound control, and fire-resistant peace of mind.
Description
R-30 Unfaced Mineral Wool Batt Insulation
ROCKWOOL Comfortbatt® is an unfaced stone wool batt insulation designed for wood and steel stud applications to boost comfort and energy efficiency. Its flexible edge helps it friction-fit into framing, while non-combustible, moisture-resistant performance also improves sound control.
Key Features:
- Flexible Edge Fit: Friction-fits into stud cavities for easier installation while helping maintain rated R-value.
- Fire-Resistant Mineral Wool: Non-combustible insulation designed to resist flame spread and smoke development.
- Sound Dampening: Excellent sound absorption helps reduce noise transfer between rooms.
- Moisture & Mold Resistance: Water-resistant stone wool won’t rot or promote fungi/mildew growth.
- Cut-to-Size Convenience: Easily cut for fast fitting around wiring and framing details.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | ROCKWOOL® |
| Product line / sub-brand | Comfortbatt |
| Product type | Mineral wool (stone wool) batt insulation |
| R-Value | R-30 |
| Facing type | Unfaced |
| Thickness | 7-1/4 in |
| Width | 23 in |
| Length | 47 in |
| Coverage area | 30.03 sq-ft |
| Color | Amber |
| Density | >2 pcf |
| For use with | Wood stud framing (also described for wood and steel stud applications) |
| Installation type | Ceiling |
| Flame spread index | 0 |
| Smoke developed index | 0 |
| Standards/Certifications | ASTM C167; ASTM C518; CAN/ULC S702; CAN/ULC S102; CAN/ULC S114; GREENGUARD Gold Certified |
| Features | Easily cut; Non-combustible; Excellent sound absorption; Does not rot or promote the growth of fungi or mildew; Low moisture absorption; Water and moisture resistant (does not absorb moisture to maintain insulating value) |
| Manufacturer | ROCKWOOL International A/S |
| Proposition 65 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 area does one package cover?
A: Each package covers 30.03 sq ft.
Q: What framing is it intended for?
A: It’s intended for exterior wood and steel stud applications (listed for wood stud framing).
Q: Can it help with fire safety and smoke?
A: It’s listed as non-combustible with flame spread index 0 and smoke developed index 0.
Q: Does it resist moisture and mold?
A: Yes—stone wool is water/moisture resistant and is noted as not rotting or promoting fungi/mildew growth.
Quiet luxury, engineered behind the walls
Think of this as the invisible layer of calm that makes a room feel finished—warmer, quieter, and more composed. The dense, unfaced stone wool batt has a beautifully utilitarian edge: it flexes into place with a tailored fit that feels almost architectural. Use it to elevate bedrooms, media rooms, or any space where serenity matters as much as style. It’s the kind of behind-the-scenes essential that defines truly luxurious living.
Upgrade your walls or ceilings with ROCKWOOL Comfortbatt® for dependable R-30 comfort, sound control, and fire-resistant peace of mind.
