---
product_id: 622066771
title: "CFKJ 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9\" x 4.5\" x 1.25\" 2300F Rated Insulating Fire Bricks"
brand: "cfkj"
price: "$552"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/622066771-cfkj-12-pieces-insulating-fire-brick-for-ovens-kilns-blacksmith
store_origin: NZ
region: New Zealand
---

# 9" x 4.5" x 1.25" precision size 2300°F heat resistance 12-piece full set CFKJ 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks

**Brand:** cfkj
**Price:** $552
**Availability:** ✅ In Stock

## Summary

> 🔥 Build your heat fortress with CFKJ – where fire meets finesse!

## Quick Answers

- **What is this?** CFKJ 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks by cfkj
- **How much does it cost?** $552 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/622066771-cfkj-12-pieces-insulating-fire-brick-for-ovens-kilns-blacksmith)

## Best For

- cfkj enthusiasts

## Why This Product

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

## Key Features

- • **Complete 12-Piece Set:** Get a full dozen bricks to cover your project with ease and consistency.
- • **Lightweight Yet Robust:** At just under 8 kg total, these bricks offer easy handling without compromising strength.
- • **Unmatched Heat Endurance:** Withstands scorching temperatures up to 2300°F/1260°C for ultimate durability.
- • **Premium Alumina & Silica Blend:** Engineered for superior insulation and long-lasting performance under extreme conditions.
- • **Perfectly Sized for Versatility:** Compact 9" x 4.5" x 1.25" bricks fit seamlessly into ovens, kilns, forges, and fireplaces.

## Overview

The CFKJ 12 Pieces Insulating Fire Brick set features 9" x 4.5" x 1.25" bricks made from a high-quality alumina and silica blend, designed to withstand extreme temperatures up to 2300°F (1260°C). Ideal for ovens, kilns, blacksmith forges, and fireplaces, this 12-piece set offers reliable insulation and durability, making it a must-have for professionals and enthusiasts aiming for peak thermal performance.

## Description

CFKJ 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks

## Features

- Size: 9" x 4.5" x 1.25", Withstands Up to 2300°F/1260°C, 12 Pieces, Material Composition: Alumina & Silica

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | CFKJ |
| UPC | 768572658769 |
| Part number | 9" x 4.5" x 1.25" Insulating Fire Brick |
| Item Weight | 7.92 Kilograms |
| Product Dimensions | 11.43 x 22.86 x 3.18 cm; 7.92 kg |
| Item model number | 9" x 4.5" x 1.25" Insulating Fire Brick |
| Color | White |
| Coverage | 0.28 square_feet |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Alumina & Silica
- **Brand:** CFKJ
- **Item thickness:** 1.25 Inches
- **Recommended uses for product:** Insulation in high-temperature environments, use in ovens, kilns, forges, and fireplaces
- **Product dimensions:** 22.9L x 11.4W centimeters

## Images

![CFKJ 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks - Image 1](https://m.media-amazon.com/images/I/81VVF8nntsL.jpg)
![CFKJ 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks - Image 2](https://m.media-amazon.com/images/I/71-Q0-7ofGL.jpg)
![CFKJ 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks - Image 3](https://m.media-amazon.com/images/I/71XomtXzlIL.jpg)
![CFKJ 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks - Image 4](https://m.media-amazon.com/images/I/61LLeI2Z6rL.jpg)
![CFKJ 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks - Image 5](https://m.media-amazon.com/images/I/71LE7C6zvWL.jpg)

## Frequently Bought Together

- 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks
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**Shop now:** [https://www.desertcart.nz/products/622066771-cfkj-12-pieces-insulating-fire-brick-for-ovens-kilns-blacksmith](https://www.desertcart.nz/products/622066771-cfkj-12-pieces-insulating-fire-brick-for-ovens-kilns-blacksmith)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-25*