---
product_id: 310156756
title: "Insa-4 Lightweight & Insulating Fire Bricks - 2500F Pack of 4 - Size 9\" x 4.5\" x 2.5\" - Fireclay, Chamotte Firebricks for Ovens, Forges, Kilns, Fireplaces, Wood Stoves, Steel Furnaces"
brand: "girtech"
price: "€ 232.82"
currency: EUR
in_stock: true
reviews_count: 5
category: "Gi Rtech"
url: https://www.desertcart.nl/products/310156756-insa-4-lightweight-and-insulating-fire-bricks-2500f-pack-4
store_origin: NL
region: Netherlands
---

# 2370°F max heat resistance Lightweight 1.08 kg per brick Customizable with precision cutting Insa-4 Lightweight & Insulating Fire Bricks - 2500F Pack of 4 - Size 9" x 4.5" x 2.5" - Fireclay, Chamotte Firebricks for Ovens, Forges, Kilns, Fireplaces, Wood Stoves, Steel Furnaces

**Brand:** girtech
**Price:** € 232.82
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate Your Heat Game with Bricks That Work as Hard as You Do!

## Quick Answers

- **What is this?** Insa-4 Lightweight & Insulating Fire Bricks - 2500F Pack of 4 - Size 9" x 4.5" x 2.5" - Fireclay, Chamotte Firebricks for Ovens, Forges, Kilns, Fireplaces, Wood Stoves, Steel Furnaces by girtech
- **How much does it cost?** € 232.82 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/310156756-insa-4-lightweight-and-insulating-fire-bricks-2500f-pack-4)

## Best For

- girtech enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Conscious & Safe:** Crafted from natural chamotte and fireclay, ensuring health-friendly, sustainable insulation.
- • **Featherlight Durability:** At just over 1 kg per brick, easy handling meets robust fireclay strength.
- • **Pro-Grade Masonry Ready:** Optimized for fireclay/alumina mortar use—ditch cement for superior thermal bonding.
- • **Unmatched Heat Endurance:** Withstands extreme temperatures up to 2370°F for industrial and home heating mastery.
- • **Tailored Fit for Every Project:** Easily cut and shape bricks to fit your unique kiln, forge, or fireplace design.

## Overview

GIRtech INSA Lightweight Fire Bricks deliver premium thermal insulation up to 2370°F, combining lightweight design with durable chamotte fireclay. Perfect for kilns, forges, fireplaces, and wood stoves, these bricks are eco-friendly, customizable, and engineered for professional-grade refractory masonry.

## Description

Lightweight insulating brick GIRtech INSA Lightweight brick which are used for lining heating units as an effective insulating or warming layer. GIRtech INSA – is a special lightweight insulation brick which are used for lining heating units with a maximum temperature of use up to 2370 ° F, as an effective insulating or warming layer. Firebrick can be used in any type of domestic heating units, such as brick fireplaces, steel furnaces, heating stoves, barbecues and barbecue complexes as insulation. It is made from eco-friendly natural components and safe for human health This product could be used in industrial units as insulation and warming layer without contact with molten metals. Refractory masonry must be done on a fireclay/alumina mortar, for example GIRtech CONTACT-40 or GIRtech CONTACT Drymix. Before performing work, it is necessary to moisten the contact surface with some water. It is not recommended to use cement mixes as a masonry mortar. GIRtech INSA could be cuted or processed with a special tool if necessary Firebricks are packed in branded cardboard boxes of 4 pieces

Review: Great for smoker firebox.
Review: Great item

## Features

- 🔥 Introducing GIRtech INSA Lightweight & Large Universal Bricks: Elevate Your Heating Efficiency with Superior Thermal Performance! Elevate your heating systems with. Whether you're powering a kiln, enhancing a forge, or perfecting your fire pit, these advanced refractory bricks redefine heat efficiency and safety. Order now and experience the transformative impact of superior thermal insulation.
- 🏗 Crafted for Versatility: These specialized fire bricks are designed to optimize heating units operating at temperatures up to 2370 °F. Whether you're outfitting a forge, heating oven, kiln, wood-burning stove, or a blacksmith's workspace, GIRtech INSA insulation bricks excel as insulating or warming layers.
- 🌡 Exceptional Thermal Efficiency: Experience unparalleled heat retention with GIRtech INSA bricks. Ideal for various heating units, including kilns, stoves, and fireplaces, they ensure efficient heating without compromising safety.
- 🔥 Industrial and Artistic Applications: From industrial kilns to jewelry-making furnaces, GIRtech INSA insulation bricks demonstrate their refractory prowess. These bricks prove their worth not just in blacksmithing and soldering forges, but also as a key component in fire pits and brick installations.
- 🧱 Expert Masonry and Customization: Optimal masonry involves using fireclay/alumina mortar, such as GIRtech CONTACT-40 or GIRtech CONTACT Drymix. Prepare the contact surface with moisture before work, avoiding cement mixes. Moreover, these versatile bricks are customizable – they can be cut or processed with precision tools to match your specific requirements.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08P7ZM4P8 |
| Brand | GIRtech |
| Brand Name | GIRtech |
| Customer Reviews | 4.5 out of 5 stars 55 Reviews |
| Flavor | Natural Wood |
| Flavour | Natural Wood |
| Item Form | brick |
| Item Type Name | Insulating Fire Brick |
| Item Weight | 1.08 Kilograms |
| Item form | brick |
| Item weight | 1.08 Kilograms |
| Manufacturer | ABC Manufactured Goods Inc |
| Material | Chamotte, Fire Clay |
| Material Type | Chamotte, Fire Clay |
| Unit Count | 4.0 Count |

## Product Details

- **Brand:** GIRtech
- **Flavour:** Natural Wood
- **Item form:** brick
- **Item weight:** 1.08 Kilograms
- **Material:** Chamotte, Fire Clay

## Images

![Insa-4 Lightweight & Insulating Fire Bricks - 2500F Pack of 4 - Size 9" x 4.5" x 2.5" - Fireclay, Chamotte Firebricks for Ovens, Forges, Kilns, Fireplaces, Wood Stoves, Steel Furnaces - Image 1](https://m.media-amazon.com/images/I/81IeWKpqv9L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for smoker firebox.
*by A***Z on 29 July 2025*



### ⭐⭐⭐⭐⭐ Great item
*by T***E on 17 November 2024*



### ⭐⭐⭐⭐⭐ Good so far
*by D***. on 18 January 2025*



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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-16*