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Rockwool R30 Comfortbatt Exterior Insulation 30.03-Square Feet
- Mfg.#
- RXCB301525
- Sku#
- 4290763
- Noncombustible and fire resistant
- Long term thermal performance
- Water and moisture resistant
- Easily cut with a serrated knife
- Inorganic, does not promote mold growth
* Estimated stock levels as of Thu, Apr 16, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
ROCKWOOL Comfortbatt® is a stone wool thermal batt insulation for exterior wood and steel studs. It's designed for exterior wall cavities, exposed floors, basements/crawlspaces and attic applications.
Comfortbatt features a unique flexible edge that allows for easy installation and helps prevent over compression to maintain its R-value, and is an effective way to improve a home’s energy efficiency.
Comfortbatt is noncombustible and fire resistant, and offers water and moisture resistance.
Specifications
General
| Insulation Rating | R30 |
|---|---|
| Square Foot Coverage | 30.03 sq ft |
| Type | Stone Wool Insulation |
| Width (In) | 15 in |
Dimensions
| Actual Thickness | 7 1/4 in |
|---|---|
| Length (In) | 47 in |
Label Information
| Certification, Codes, Standards | Declare, ETL Intertek Listed - CA/USA, UL Classified - CA/USA |
|---|
Manufacturing Details
The following information is subject to change without notice
| Shop USA | Yes |
|---|
Related Documents
Brochure (PDF)
