---
product_id: 281725545
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: "₱13214"
currency: PHP
in_stock: true
reviews_count: 9
category: "Gi Rtech"
url: https://www.desertcart.ph/products/281725545-insa-4-lightweight-and-insulating-fire-bricks-2500f-pack-4
store_origin: PH
region: Philippines
---

# 2370°F max heat resistance Lightweight & easy to handle Customizable with precision tools 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:** ₱13214
**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?** ₱13214 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/281725545-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:** Made from natural, non-toxic fireclay and chamotte for a healthier workspace.
- • **Versatile Heat Mastery:** Ideal for kilns, forges, fireplaces, wood stoves, and even smoker fireboxes—engineered for pros who demand precision.
- • **Featherlight Efficiency:** Lightweight design reduces installation effort while maximizing thermal retention.
- • **Unmatched Heat Endurance:** Withstands extreme temperatures up to 2370°F for reliable, long-lasting insulation.
- • **Tailored Fit for Every Project:** Easily cut and shape bricks to perfectly suit your unique heating setup.

## Overview

GIRtech INSA Lightweight Fire Bricks are premium insulating blocks crafted from eco-friendly fireclay and chamotte, designed to withstand temperatures up to 2370°F. Perfect for professional-grade kilns, forges, fireplaces, and wood stoves, these lightweight bricks offer superior thermal efficiency and can be precisely customized to fit any heating application. Trusted by experts for durability and ease of installation, they ensure consistent heat retention while reducing fuel consumption.

## 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. - Works as intended, easy to setup for my smoker firebox, have been used quite a bit and still like new, Fit good (all same exact size). Helped take up dead space in the oversized firebox, used less wood, and maintained a more constant temp throughout the cook.
Review: Fully functional - Bought a clay chiminea. Manufacturer recommended putting gravel and fire bricks at the base. The bricks are working great!

## 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 |
| Best Sellers Rank | #669,439 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #167 in Fireplace Replacement Parts #132,326 in Home Décor Products |
| Brand | GIRtech |
| Brand Name | GIRtech |
| Customer Reviews | 4.5 out of 5 stars 126 Reviews |
| Flavor | Natural Wood |
| Item Form | Block |
| Item Type Name | Insulating Fire Brick |
| Item Weight | 1.08 Kilograms |
| Manufacturer | ABC Manufactured Goods Inc |
| Manufacturer Part Number | 4820208200295 |
| Material | Chamotte, Fire Clay |
| Material Type | Chamotte, Fire Clay |
| Model Number | 4820208200295 |
| Unit Count | 4.0 Count |

## Product Details

- **Brand:** GIRtech
- **Flavor:** Natural Wood
- **Item Form:** Block
- **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)
![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 2](https://m.media-amazon.com/images/I/81aU2U9SzbL.jpg)
![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 3](https://m.media-amazon.com/images/I/81vDqHFyEuL.jpg)
![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 4](https://m.media-amazon.com/images/I/81B5-zpMBrL.jpg)
![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 5](https://m.media-amazon.com/images/I/81jT13h5o7L.jpg)

## Available Options

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

## Customer Reviews

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

Works as intended, easy to setup for my smoker firebox, have been used quite a bit and still like new, Fit good (all same exact size). Helped take up dead space in the oversized firebox, used less wood, and maintained a more constant temp throughout the cook.

### ⭐⭐⭐⭐⭐ Fully functional
*by R***K on December 5, 2024*

Bought a clay chiminea. Manufacturer recommended putting gravel and fire bricks at the base. The bricks are working great!

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

Delivered in excellent condition . No cracks or breaks.

## Frequently Bought Together

- GIRtech 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
- GIRtech USL Insulating Fire Bricks 2500F Pack of 6 Firebricks for Internal Lining Heating Units Insulating Warming Layer for Fireplace, Steel Furnace, Wood Stove, Ceramic Oven Kiln, Blacksmith Forge
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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-06-02*