---
product_id: 42807722
title: "Rockwool RXCB3023, ComfortBatt R30 Stone Wool Batt Insulation, 7.25\" x 23\" x 47\", Covers 30 sq. feet and 24\" framing Width, Fire Resistant"
brand: "rockwool"
price: "€ 1217.89"
currency: EUR
in_stock: false
reviews_count: 5
url: https://www.desertcart.sk/products/42807722-rockwool-rxcb3023-comfortbatt-r30-stone-wool-batt-insulation-7-25
store_origin: SK
region: Slovakia
---

# Non-combustible for enhanced fire safety Made from natural & recycled stone wool R15 thermal resistance for year-round comfort Rockwool RXCB3023, ComfortBatt R30 Stone Wool Batt Insulation, 7.25" x 23" x 47", Covers 30 sq. feet and 24" framing Width, Fire Resistant

**Brand:** rockwool
**Price:** € 1217.89
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Insulate smarter, live better — comfort that sticks with you!

## Quick Answers

- **What is this?** Rockwool RXCB3023, ComfortBatt R30 Stone Wool Batt Insulation, 7.25" x 23" x 47", Covers 30 sq. feet and 24" framing Width, Fire Resistant by rockwool
- **How much does it cost?** € 1217.89 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/42807722-rockwool-rxcb3023-comfortbatt-r30-stone-wool-batt-insulation-7-25)

## Best For

- rockwool enthusiasts

## Why This Product

- Trusted rockwool brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Resistant to moisture, mold, and mildew—keeps your home healthy and dry.
- • **Sustainable Comfort:** Crafted in the USA from eco-friendly stone wool, contributing to LEED certification points.
- • **Soundproof Your Space:** Excellent sound absorption for a quieter, more peaceful environment.
- • **Precision Fit, Zero Gaps:** Flexible edges spring back to fill stud cavities perfectly, ensuring no energy leaks.
- • **Safe & Easy Installation:** Non-itchy, semi-rigid batts that cut easily and resist fire hazards.

## Overview

The RXCB3523 R15 24x47 Bat Insulation by Rockwool is a semi-rigid stone wool batt designed for wood studs and joists in new builds and renovations. Manufactured in the USA, it features flexible edges that ensure a tight fit, delivering consistent R15 thermal resistance. This eco-conscious insulation is non-combustible, moisture-resistant, and offers superior sound absorption, making it a durable, safe, and sustainable choice for professional-grade thermal and acoustic performance.

## 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.

Review: Roxul Rockwool - Love this insulation, easy to install and not itchy!
Review: Poor quality - Came in damaged and seems like it might even be a rip off and not the actual product advertised

## Features

- 7.25" x 23" x 47" ComfortBatt R30 Stone Wool Batt insulation witch covers 30 sq. feet and 24 inch framing width.
- Sized for wood stud construction.
- Noncombustible and fire resistant, stone wool works to contain a fire and prevent its spread.
- Long term thermal performance providing a high R-value per inch.
- Water and moisture resistant, stone wool does not rot or promote the growth of mildew, fungi or mold.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07K13HDBD |
| Best Sellers Rank | #144,207 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #137 in Pipe Insulation |
| Brand | Rockwool |
| Brand Name | Rockwool |
| Coverage | 30 sq. ft |
| Customer Reviews | 3.6 out of 5 stars 8 Reviews |
| Included Components | Bat Insulation |
| Item Dimensions L x W | 7.25"L x 23"W |
| Item Thickness | 7.25 inches |
| Item Type Name | RXCB3023 R30 24x47 Bat Insulation |
| Item Weight | 40 pounds |
| Manufacturer | Rockwool |
| Manufacturer Part Number | RXCB3023 |
| Material | Wool |
| Material Type | Wool |
| Model Number | RXCB3023 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Dimensions | 7.25"L x 23"W |
| Recommended Uses For Product | Thermal Insulation, Sound Insulation, Pipe Insulation |
| UPC | 774783445180 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Rockwool
- **Global Trade Identification Number:** 00774783423621
- **Material:** Wool
- **Product Dimensions:** 3.5"L x 23"W
- **Recommended Uses For Product:** Thermal Insulation (Construction)

## Images

![Rockwool RXCB3023, ComfortBatt R30 Stone Wool Batt Insulation, 7.25" x 23" x 47", Covers 30 sq. feet and 24" framing Width, Fire Resistant - Image 1](https://m.media-amazon.com/images/I/61QIuvoNvdL.jpg)
![Rockwool RXCB3023, ComfortBatt R30 Stone Wool Batt Insulation, 7.25" x 23" x 47", Covers 30 sq. feet and 24" framing Width, Fire Resistant - Image 2](https://m.media-amazon.com/images/I/71X9tMCGqjL.jpg)
![Rockwool RXCB3023, ComfortBatt R30 Stone Wool Batt Insulation, 7.25" x 23" x 47", Covers 30 sq. feet and 24" framing Width, Fire Resistant - Image 3](https://m.media-amazon.com/images/I/51WgId6W-qL.jpg)
![Rockwool RXCB3023, ComfortBatt R30 Stone Wool Batt Insulation, 7.25" x 23" x 47", Covers 30 sq. feet and 24" framing Width, Fire Resistant - Image 4](https://m.media-amazon.com/images/I/61-qVCS6GVL.jpg)
![Rockwool RXCB3023, ComfortBatt R30 Stone Wool Batt Insulation, 7.25" x 23" x 47", Covers 30 sq. feet and 24" framing Width, Fire Resistant - Image 5](https://m.media-amazon.com/images/I/51X1a1XwgbL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Roxul Rockwool
*by D***R on April 28, 2025*

Love this insulation, easy to install and not itchy!

### ⭐ Poor quality
*by H***R on June 27, 2026*

Came in damaged and seems like it might even be a rip off and not the actual product advertised

### ⭐⭐⭐⭐ Good value
*by D***E on July 13, 2026*

Ordered several packs and all packs came damaged. They are big items are they are fragile so there is just no way around it. Overall they are still usable and good value, but just something you should expect.

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**Shop now:** [https://www.desertcart.sk/products/42807722-rockwool-rxcb3023-comfortbatt-r30-stone-wool-batt-insulation-7-25](https://www.desertcart.sk/products/42807722-rockwool-rxcb3023-comfortbatt-r30-stone-wool-batt-insulation-7-25)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-09-17*