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ROCKWOOL IND INC

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 Wed, Apr 29, 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

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Related Documents

Brochure (PDF)

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