Insulating & Dense Refractory Bricks
(2300°F to 3200°F)
Temperature Classifications: 2300°F – 3200°F
Applied Refractory supplies a complete range of insulating firebrick (IFB), dense firebrick, and specialty refractory brick for use in furnaces, heaters, boilers, kilns, reformers, incinerators, and a wide variety of high-temperature process equipment. Whether you're replacing a few damaged bricks or building an entirely new refractory lining, we can provide the right material for your application.

Our inventory includes lightweight insulating firebrick in multiple temperature ratings for improved thermal efficiency, as well as dense firebrick designed for abrasion resistance, structural strength, and severe service environments. We also source and supply high-alumina, super-duty, acid-resistant, burner, arch, wedge, key, and other specialty brick configurations to meet the requirements of virtually any refractory installation.
Applied Refractory proudly stocks and supplies products from leading manufacturers, including Lanexis Durabrick®, while also offering compatible solutions from other trusted domestic and international producers to meet project specifications, lead times, and budget requirements.
Whether your project requires standard straight brick, custom shapes, or complete engineered refractory systems, our team has the experience to help you select the proper materials for maximum performance and service life. From small maintenance outages to large capital projects, we provide quality refractory products backed by knowledgeable technical support and dependable delivery.
Our Story
Founded with a commitment to excellence, Applied Refractory has grown to become a leader in the refractory industry. With years of experience and a team of dedicated professionals, we have built a reputation for delivering products and services that set the standard for quality and performance. We have expanded our reach across the Gulf Coast and nationwide, serving a diverse range of industries that depend on high-quality refractory materials.
Common Applications
Refinery and petrochemical heaters
Ethylene furnaces
Boilers and thermal oxidizers
Heat treatment furnaces
Ceramic and industrial kilns
Power generation facilities
Foundries and metal processing equipment
Key Benefits
Excellent thermal insulation properties
Reduced energy consumption and operating costs
Lightweight construction
Low heat storage for improved efficiency
Resistance to thermal shock and thermal cycling
Available in multiple temperature classifications and sizes
Available Grades
IFB 23 (2300°F)
IFB 26 (2600°F)
IFB 28 (2800°F)
IFB 30 (3000°F)
IFB 32 (3200°F)
2300°F Insulating Fire Bricks
Our insulating fire bricks are made from high-purity refractory clays and offer excellent insulation properties for moderate to high-temperature applications. These bricks are lightweight and provide superior thermal efficiency, reducing heat loss and saving energy.
Applications and Benefits:
Ideal for petrochem refining
Lightweight and easy to install, reducing structural load
High thermal efficiency, reducing energy consumption
Specifications:
Temperature rating: 2300°F
Available in standard sizes and shapes for various applications
Custom sizes available upon request
2600°F Insulating Fire Bricks
The 2600°F insulating fire bricks offer enhanced thermal performance for higher temperature applications. These bricks provide excellent resistance to thermal shock and can withstand harsh industrial environments, making them suitable for more demanding uses.
Key Features and Advantages:
High resistance to thermal shock and spalling
Lightweight for easy handling and installation
Ideal for high-temperature applications such as ceramic kilns, heat treatment furnaces, and foundries
Common Uses:
High-temperature linings for kilns, furnaces, and reactors
Backup insulation for dense refractory linings
Used in environments where rapid temperature changes occur
2800°F Insulating Fire Bricks
Our 2800°F insulating fire bricks are designed for extreme temperature applications, offering exceptional insulation properties and durability. These bricks are highly resistant to chemical attack and thermal cycling, making them ideal for the most demanding industrial settings.
Benefits:
Excellent insulation at extremely high temperatures
Resistant to chemical attack and thermal cycling
Durable and long-lasting, reducing maintenance costs
Typical Applications:
Linings for high-temperature furnaces and reactors
Insulation for equipment exposed to aggressive chemical environments
Used in applications requiring high mechanical strength and thermal stability
High Alumina Insulating Fire Bricks (3000°F)
High alumina insulating fire bricks are specially formulated for the highest temperature applications. With a rating of up to 3000°F, these bricks provide superior insulation and strength, making them perfect for critical applications that demand maximum performance.
Benefits and Applications:
Superior mechanical strength and durability for extreme conditions
High resistance to thermal shock, chemical attack, and mechanical wear
Ideal for use in high-temperature furnaces, kilns, and other industrial equipment
Specifications:
Temperature rating: Up to 3000°F
Available in various shapes and sizes to suit specific needs
Custom configurations available for specialized applications
Custom Insulating Fire Bricks
We recognize that every project has unique requirements. That’s why we offer custom-insulating fire bricks tailored to meet your specific needs. Whether you need non-standard sizes, unique shapes, or specific material compositions, our team is here to help. Contact us today to discuss your custom-insulating fire brick needs and discover how we can provide a solution tailored to your project.
Why Choose Applied Refractory for Insulating Fire Bricks?
When you choose Applied Refractory for your insulating fire brick needs, you’re partnering with a company that prioritizes quality, reliability, and customer satisfaction. Here’s why our customers trust us:
Distributed Fire Bricks: Variety of distributed sizes and temperature rated allowing us to maintain strict quality control and offer competitive pricing.
High-Quality Materials: Our bricks are made from premium refractory materials that provide superior thermal insulation and durability.
Expert Support: Our knowledgeable team is available to guide you through product selection, customization, and installation, ensuring you get the right solution for your needs.
Fast Turnaround: With in-house production capabilities, we provide quick delivery times to keep your projects on schedule.
Get a Quote Today
Ready to find the right insulating fire bricks for your application? Contact us today to request a quote or learn more about our products and services. Our team is here to help you find the perfect solution for your high-temperature insulation needs.