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Types of Refractory Brick
Types of Refractory Brick
March 08, 2017

There are various types of refractory brick available in the market today. They differ in their structure and specific heat handling capacities as well as their chemical and structural formulations. When correctly matched with the right application, your heating facilities reap the value of the specific heat containment of the brick used. By choosing the right brick, you also create a safe, cost effective, and low maintenance heating system that delivers optimal performance. Conversely, wrong choice of the fire brick comes with high downtimes, regular equipment failures, and increased work-place accidents. To avoid the casualties presented by the choice of the wrong insulation bricks for your fire places, you need to know the products available in the market, and understand their comprehensive review.


Depending on the constituent material, refractory brick are classed as below:



The bricks in this class are crafted from a combination of alumino-silicates. Conventionally, the aluminum levels used in the brick are varied from 90-96%, for the best grade alumino-silicates, while lower grade bricks have lower content of the aluminum. Higher amounts of alumino-silicates in the brick lead to better the performance. Alumino-silicate bricks are known to offer high wear-resistance, improved durability and exceptional abrasion and corrosion resistance from chemicals.


Silicon carbides

When operating in highly abrasive environments coupled with extra-high temperatures, you need to have linings with enhanced durability, and silicon carbide is the right way to go. Besides standing high temperatures and excessive abrasion, silicon carbide bricks yield longer service lives than most conventional fireplace liners.


Ceramic bricks

Another A-grade fireplace liner uses ceramic materials as the core content. This allows for the delivery of exceptional wear and abrasion resistance coupled with high heat tolerance levels. With the ease of molding ceramic products, the bricks in this class can always be shaped into various outfits matching your needs.



While knowledge of the types of refractory brick available in the market is useful in pre-purchase decision making, professional guidance is critical to making the right choice. That’s why our company exists - to avail sifted information on how to best install and maintain your fire places for optimal results. 

I'll have to look into this when we renovate.
Posted by: John | September 13, 2017, 4:11 pm
This was good. My kiln in my backyard uses refrac. brick!
Posted by: Garrett | July 31, 2017, 2:40 pm
Thanks for the info!
Posted by: Tula1 | June 22, 2017, 4:59 pm
Interesting to read more about the types of refractory bricks - thanks for the insight!
Posted by: Jasmine C. | May 17, 2017, 10:22 am
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