---
product_id: 397333110
title: "USM-5 Heavy Duty Fire Brick 2760F Pack of 5 Fire Bricks for Construction and Internal Lining Domestic Heating Units Fireplaces, Steel Furnaces, Wood Stoves, Ceramics Kilns, Blacksmith Forge"
brand: "girtech"
price: "$U13709"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/397333110-usm-5-heavy-duty-fire-brick-2760f-pack-of-5
store_origin: UY
region: Uruguay
---

# Ideal for domestic heating units 2760°F max heat resistance Cuttable & customizable USM-5 Heavy Duty Fire Brick 2760F Pack of 5 Fire Bricks for Construction and Internal Lining Domestic Heating Units Fireplaces, Steel Furnaces, Wood Stoves, Ceramics Kilns, Blacksmith Forge

**Brand:** girtech
**Price:** $U13709
**Availability:** ✅ In Stock

## Summary

> 🔥 Build the heat, own the moment.

## Quick Answers

- **What is this?** USM-5 Heavy Duty Fire Brick 2760F Pack of 5 Fire Bricks for Construction and Internal Lining Domestic Heating Units Fireplaces, Steel Furnaces, Wood Stoves, Ceramics Kilns, Blacksmith Forge by girtech
- **How much does it cost?** $U13709 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/397333110-usm-5-heavy-duty-fire-brick-2760f-pack-of-5)

## 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-Friendly & Safe:** Crafted from natural fireclay and quartz sand, these bricks are non-toxic and safe for your home environment.
- • **Precision Fit Every Time:** Easily cut and shape these bricks with specialized tools for a flawless, custom installation.
- • **Unmatched Heat Endurance:** Withstands scorching temperatures up to 2760°F, ensuring your hearth stays resilient through every fire.
- • **Versatile Hearth Solution:** Perfect for fireplaces, wood stoves, steel furnaces, kilns, and blacksmith forges—upgrade any heating setup.
- • **Optimized Thermal Performance:** Enhanced thermal conductivity maximizes heat distribution, boosting your heating unit’s efficiency and comfort.

## Overview

The GIRtech USM-5 Heavy Duty Fire Brick pack offers premium-grade fireclay bricks engineered for domestic heating units. Rated for extreme temperatures up to 2760°F, these eco-friendly bricks provide superior thermal conductivity and durability. Easily customizable and safe for home use, they are ideal for fireplaces, stoves, kilns, and forges, ensuring efficient heat retention and long-lasting performance.

## Description

GIRtech USM is a special heavy duty thin firebrick which are used for masonry and lining of any household heating units, fireplaces cladding, mini-forges, as well as for household buildings. Maximum operating temperature is no more than 2760 ° F. Refractory masonry must be done on a fireclay/alumina mortar, for example GIRtech CONTACT-40. Before performing work, it is necessary to moisten the contact surface with some water. It is possible to use a cement mortar only for masonry of non-thermal household units, without subsequent ignition. GIRtech USM could be cuted or processed with a special tool if necessary. 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. Appearance, sizes: hearth plates 9.0*4.5*1.25 inches Composition: fireclay, quarz sand Net Weight, lb 3.97 Minimum refractoriness: 2 760 °F Interconnected porosity, % 18.5 Apparent specific graviry, ln/in3 69 - 72 Compressive strenghth, psi 2 700 - 3 300 Thermal expansion coefficient (2 372 °F): 0% Thermal resistance, thermal cycles (32°F to 1700°F) 40 Safety: non toxic, safe for human health

## Features

- Enhanced Thermal Conductivity: GIRtech USM fire bricks offer improved thermal conductivity compared to traditional chamotte products. Experience superior heat transfer and distribution, maximizing the efficiency of your heating units.
- High Refractoriness and Versatile Use: With a refractoriness of 2760 degrees Fahrenheit (insert temperature range), these fire bricks are suitable for various domestic heating units. Perfect for brick fireplaces, steel furnaces, heating stoves, barbecues, barbecue complexes, ceramics kilns, and blacksmith forges.
- Hearth Arrangement and Furnace Lining: Utilize these fire bricks for both arranging the hearth of the furnace and lining the inner surface. Ensure optimal insulation and protection for your heating unit, extending its lifespan and improving performance.
- Use with Fireclay/Alumina Mortar: Refractory masonry requires a fireclay/alumina mortar, such as GIRtech CONTACT-40 or GIRtech CONTACT Drymix. Prior to installation, moisten the contact surface with water. Avoid using cement mixes as a masonry mortar.
- Cuttable and Processable: GIRtech USM fire bricks can be easily cut or processed with a special tool, allowing for customization and precise fitting as needed.Suitable for Domestic Use: These fire bricks are intended for domestic heating units and not for use in industrial units where contact with molten metals is possible. Ideal for enhancing the performance and efficiency of your home heating systems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 22.86 x 3.17 x 11.43 cm; 1.81 kg |
| Item Weight | 4 Pounds |
| Finish types | Chammote |
| Is assembly required | No |
| Batteries required | No |

## Product Details

- **Brand:** GIRtech
- **Material:** Fireclay
- **Flavour:** no flavor
- **Item weight:** 4 Pounds
- **Item form:** Block

## Images

![USM-5 Heavy Duty Fire Brick 2760F Pack of 5 Fire Bricks for Construction and Internal Lining Domestic Heating Units Fireplaces, Steel Furnaces, Wood Stoves, Ceramics Kilns, Blacksmith Forge - Image 1](https://m.media-amazon.com/images/I/81fi1LdWX4L.jpg)
![USM-5 Heavy Duty Fire Brick 2760F Pack of 5 Fire Bricks for Construction and Internal Lining Domestic Heating Units Fireplaces, Steel Furnaces, Wood Stoves, Ceramics Kilns, Blacksmith Forge - Image 2](https://m.media-amazon.com/images/I/81t8rjSbR1L.jpg)
![USM-5 Heavy Duty Fire Brick 2760F Pack of 5 Fire Bricks for Construction and Internal Lining Domestic Heating Units Fireplaces, Steel Furnaces, Wood Stoves, Ceramics Kilns, Blacksmith Forge - Image 3](https://m.media-amazon.com/images/I/81M29GOaw8L.jpg)
![USM-5 Heavy Duty Fire Brick 2760F Pack of 5 Fire Bricks for Construction and Internal Lining Domestic Heating Units Fireplaces, Steel Furnaces, Wood Stoves, Ceramics Kilns, Blacksmith Forge - Image 4](https://m.media-amazon.com/images/I/81B5-zpMBrL.jpg)
![USM-5 Heavy Duty Fire Brick 2760F Pack of 5 Fire Bricks for Construction and Internal Lining Domestic Heating Units Fireplaces, Steel Furnaces, Wood Stoves, Ceramics Kilns, Blacksmith Forge - Image 5](https://m.media-amazon.com/images/I/81quAb6mDgL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can it be used as a stand for a hot smoker so as not to combust the materials underneath?**
A: Yes they take the heat of my forge without a problem.  The smoker will be easy 🙂

**Q: what is this for?**
A: 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.

**Q: Can I use this as a replacement tile brick on the cooking floor of a pizza oven?**
A: I know it is ok for barbeques and is eco health friendly . Their website has more information.  I've been totally satisfied with bricks.

**Q: what are the brick dimensions?**
A: one brick 9" x 4.5" x 1.25"

## Frequently Bought Together

- GIRtech USM-5 Heavy Duty Firebricks 5-Pack Fireclay, Chamotte 3000F US Stove 9" x 4-1/2" x 1-1/4" Insulating, Replacement Fire Bricks for Fireplaces, Wood Stoves, Pizza Ovens, Steel Furnaces, Forge
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- Mr Volcano Refractory Satanite 10 Pounds for Ceramic Blanket Lining 3200 Degree Mortar

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-06*