---
product_id: 266402922
title: "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"
brand: "girtech"
price: "₨71278"
currency: LKR
in_stock: true
reviews_count: 10
category: "Gi Rtech"
url: https://www.desertcart.lk/products/266402922-girtech-usl-insulating-fire-bricks-2500f-pack-of-6-firebricks
store_origin: LK
region: Sri Lanka
---

# 2500°F max operating temp 6-pack durable firebricks Eco-friendly fireclay & chamotte 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

**Brand:** girtech
**Price:** ₨71278
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep the heat, lose the waste – firebricks that work as hard as you do!

## Quick Answers

- **What is this?** 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 by girtech
- **How much does it cost?** ₨71278 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/266402922-girtech-usl-insulating-fire-bricks-2500f-pack-of-6-firebricks)

## 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

- • **Versatile Application:** Perfect for fireplaces, steel furnaces, kilns, and blacksmith forges.
- • **Custom Fit Flexibility:** Easily cut and shaped to fit your unique heating unit design.
- • **Unmatched Heat Resistance:** Withstands up to 2500°F for ultimate thermal protection.
- • **Secure & Stylish Packaging:** Arrives in a branded box ensuring zero damage and easy storage.
- • **Eco-Conscious Craftsmanship:** Made from natural, non-toxic fireclay and chamotte for safe use.

## Overview

GIRtech USL Insulating Fire Bricks are premium, eco-friendly firebricks designed to line heating units operating up to 2500°F. Sold in a convenient 6-pack, these durable bricks provide superior insulation and heat retention for fireplaces, furnaces, kilns, and more. Crafted from natural fireclay and chamotte, they ensure safety and longevity, with easy customization options and secure packaging for a flawless installation experience.

## Description

GIRtech USL – is a special intermediate duty thin firebrick which are used for lining heating units with a maximum operating temperature of up to 2500 ° F, as an 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, ceramics kilns and blacksmith forge. It can be used lining and insulation of furnaces. It is made from eco-friendly natural components and safe for human health This product is not intended for use in industrial units where contact between the refractory lining and molten metals is possible. Refractory masonry must be done on a fireclay/alumina mortar, for example GIRtech Ready Mix or GIRtech Dry Mix. 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 USL could be cuted or processed with a special tool if necessary Firebricks are packed in branded cardboard boxes of 6 pieces

Review: Hold your heat - These bricks work really great I put them inside my firebox of my smoker. Helps keep heat in and use less fire wood.
Review: Phenomenal Packaging - Given the fragility of this item I expected at least one to arrive broken. I was pleasantly surprised! The packaging was exceptional and none were broken. They are very well made, very solid, not brittle at all and fit into my fireplace perfectly. Kudos to this company for taking such care to ensure a good product with phenomenal packaging. It’s rare that someone cares enough these days.

## Features

- Versatile Performance: Our GIRtech USL Firebricks are specially designed for lining heating units with a maximum operating temperature of up to 2500 °F and service temperature 2370 °F. They can be used as an insulating or warming layer, making them suitable for various applications.
- Wide Range of Uses: Whether you have a brick fireplace, steel furnace, heating stove, barbecue, ceramics kiln, or blacksmith forge, our firebricks are ideal for lining and insulation. They offer excellent heat retention and durability for long-lasting performance.
- Premium Quality Materials: We prioritize your safety and the environment. Our firebricks are made of Fireclay and Chamotte - eco-friendly natural components, ensuring they are non-toxic and safe for human health.
- Recommended Mortar: To ensure optimal results, use our GIRtech Ready Mix or GIRtech Dry Mix fireclay/alumina mortar for refractory masonry. Prior to installation, moisten the contact surface with water. Avoid using cement mixes as a masonry mortar.
- Easy Customization: Our firebricks can be cut or processed with a special tool to meet your specific requirements. Enjoy the flexibility of shaping them to fit your heating unit perfectly.
- Convenient Packaging: Each set of GIRtech USL Firebricks comes in a branded cardboard box, containing 6 pieces. The packaging ensures secure transportation and easy storage.
- Safety First: Rest assured that our firebricks are non-toxic and safe for human health, allowing you to enjoy your heating units worry-free.
- Dimensions: 1.25"D x 9"W x 4.5"H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08PB9TX6G |
| Best Sellers Rank | #835,559 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #265 in Fireplace Replacement Parts |
| Brand | GIRtech |
| Brand Name | GIRtech |
| Customer Reviews | 4.1 out of 5 stars 190 Reviews |
| Item Type Name | Intermediate Thin Fire Brick |
| Item Weight | 5.49 kg |
| Manufacturer | ABC Manufactured Goods Inc |
| Material | Alloy Steel, Metal |
| Material Type | Alloy Steel, Metal |
| Unit Count | 6 Count |

## Product Details

- **Brand:** GIRtech
- **Material:** Alloy Steel, Metal
- **Item Weight:** 5.49 Kilograms

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/816LUEW46xL.jpg)

## Available Options

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

## Questions & Answers

**Q: What are the dimensions of the brick?**
A: One brick is - 9" W x 4.5" H x 1.25 thick

**Q: Will these work for the floor of an outdoor pizza oven?**
A: No.  Great insulator.  But not great for floor from my experience.  I’d  get a pizza stone

**Q: What is the brick thicknes?**
A: The bricks are about 1 inch thick.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Hold your heat
*by R***S on November 4, 2025*

These bricks work really great I put them inside my firebox of my smoker. Helps keep heat in and use less fire wood.

### ⭐⭐⭐⭐⭐ Phenomenal Packaging
*by T***Y on May 18, 2024*

Given the fragility of this item I expected at least one to arrive broken. I was pleasantly surprised! The packaging was exceptional and none were broken. They are very well made, very solid, not brittle at all and fit into my fireplace perfectly. Kudos to this company for taking such care to ensure a good product with phenomenal packaging. It’s rare that someone cares enough these days.

### ⭐⭐⭐⭐ Fit right in
*by T***S on March 11, 2024*

Bricks fit right into our wood stove. Seems to be working as hoped they would.

## Frequently Bought Together

- GIRtech USL Intermediate Fire Brick 2500F Pack of 6 Fire Bricks for Internal Lining Heating Units Insulating Warming layer for Fireplace, Steel Furnace, Wood Stove, Ceramic Oven Kiln, Blacksmith Forge
- Rutland Fireplace Mortar Cartridge, 10.3-Ounce, Gray - 63G
- Rutland Dry Mix Refractory Mortar, Masonry & Fire Brick Cement, No Heat Cure Required, Dark Gray, 2550F, 2.5 lb Tub

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-08-30*