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Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"

Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"

High-Quality Medium Duty Refractory Fire Brick for Pizza Ovens, Fireplaces, Fire Pits, Forges and Kilns

$2,999.99

+ Free Shipping
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"
Fire Brick | Firebrick | Full Size Fire Brick 9" x 4.5" x 2.5"

Designed for Bread, Pizza & Wood-Fired BBQ / Grilling

Maintains temps exceeding 900°

Wood Fired

Pizzas Per Hour

DIY Difficulty Level

3.5 out of 5

Made in the United

States of America

Rated for 2700°F

Operating Temperature

Fire Brick Weight

Pieces Per Pallet

Nationwide Delivery

Global Forwarding

In Stock!  Ships within 1-2 days.

Buy Now, Pay Later with Affirm. Choose flexible monthly payments at checkout.

Rated to 2700°F for extreme high-heat applications

Dense refractory fire brick built for thermal shock

Standard 9" x 4.5" x 2.5" full size fire brick

Superior heat retention for pizza oven floors

Designed for pizza ovens, fireplaces, forges & kilns

High thermal mass for even cooking performance

456 fire bricks per pallet for full builds

In Stock!  Ships within 1-2 days.

Buy Now, Pay Later with Affirm. Choose flexible monthly payments at checkout.
$2,999.99

+ Free Shipping
Title

The Complete Fire Brick & Refractory Brick Guide for Pizza Ovens, Fireplaces, Fire Pits, Forges and Kilns and High-Heat Applications

If you are building a wood-fired pizza oven, fire pit, fireplace, kiln, forge, or any high-heat cooking system, you are about to read the most complete and practical guide available on fire brick (also called firebrick, refractory brick, or fireclay brick). This resource covers everything — from fire brick vs regular brick, temperature ratings, alumina content, thermal mass, dense vs insulating fire brick, mortar recipes, cutting methods, safety, lifespan, grading systems (Low Duty, Medium Duty, High Duty, Super Duty), manufacturing processes, sintering, delivery options, and pizza oven floor performance requirements. Whether you're a homeowner planning your first pizza oven or a professional mason sourcing the right refractory materials, this guide will give you total clarity. By the time you finish, you will understand exactly which fire brick to choose, why it performs the way it does, how it is made, how long it lasts, and how to install it correctly — without confusion or guesswork.

 

👉 If you are purchasing fire brick for a pizza oven, remember the difference between a mediocre oven and a legendary one starts with the plan — before you lay a single fire brick, download our FREE Pizza Oven Plans and Pizza Oven Base Installation Instructions with Materials Lists

Fire Brick vs Regular Brick

When comparing fire brick vs regular brick for a pizza oven, fireplace, or fire pit, the difference is significant. Many people ask, “Can I use regular red clay brick for a pizza oven?” The answer is no. While red clay bricks may survive temperatures around 1,200°F, they are not engineered for thermal shock—the rapid heating and cooling cycles that occur inside a wood-fired pizza oven. Over time, regular bricks can spall (crack and flake), lose structural strength, crumble under repeated high heat, and even shed debris into food. They are far more fragile when exposed to direct flame and constant temperature swings. In contrast, fire brick (refractory brick or fireclay brick) is specifically designed for high-heat cooking environments. It withstands rapid heating and cooling, resists cracking, maintains structural integrity, and offers balanced porosity for even heat distribution. For any oven interior, firebox, kiln, or forge, the correct material is always true refractory fire brick, not standard clay brick.

What Is Fire Brick (Refractory Brick)?

A fire brick (also called firebrick, refractory brick, or fireclay brick) is a high-temperature ceramic block engineered to withstand repeated heating and cooling, resist thermal shock, endure extreme temperatures, handle mechanical abrasion, and perform reliably in varying chemical atmospheres. Unlike regular clay brick, fire brick is specifically designed for demanding heat applications and is commonly used to line pizza ovens, kilns, furnaces, fireplaces, fire pits, chimneys, and boilers. In a wood-fired pizza oven, fire brick plays a critical role: it absorbs the intense heat from the fire, stores that thermal energy, and then radiates it back evenly into the food. This process delivers consistent cooking temperatures, faster recovery between pizzas, superior crust development, reduced wood consumption, and long-lasting oven performance.

Best Fire Brick for Pizza Ovens Floors

The floor of a wood-fired pizza oven is one of the most demanding environments in masonry construction. It routinely experiences surface cooking temperatures around 750°F, while areas directly under live flame can reach 1,200–1,400°F. In addition to extreme heat, the floor must withstand contact with moist pizza dough, rapid steam release, metal pizza peels, cast iron cookware, ash rakes, and constant coal movement. To perform properly, the fire brick must store large amounts of thermal energy (high thermal mass), conduct heat efficiently through the cooking surface, and release heat evenly to prevent uneven crust development. It must also resist mechanical abrasion, absorb and release steam without degradation, and tolerate repeated thermal cycling (hot → cool → hot) without cracking or spalling. This highly specific combination of heat retention, thermal conductivity, abrasion resistance, porosity balance, and thermal shock resistance is found only in properly manufactured dense refractory firebrick, not in regular clay brick or concrete block.

Fire Brick Grades Explained (Low Duty, Medium Duty, High Duty)

Fire brick is classified under an industrial grading system based primarily on temperature rating and alumina content, which directly affects strength, durability, and performance in high-heat environments. Understanding these grades helps ensure you choose the right refractory brick for your specific application—especially when building a pizza oven, kiln, furnace, or firebox.

 

Low Duty fire brick is typically rated to about 1,750°F and contains roughly 24–26% alumina. It is commonly used in lower-temperature applications such as fireplace chimneys and non-critical heat zones. While suitable for mild conditions, it is generally not recommended for wood-fired pizza oven floors.

 

Medium Duty fire brick is rated to approximately 2,700°F and contains 34–38% alumina. It often conforms to ASTM C-27 specifications and represents the best balance of strength, durability, thermal mass, and cost. For most residential wood-fired pizza ovens, fireplaces, and general high-heat cooking applications, medium duty dense fire brick is the preferred choice.

 

High Duty fire brick is rated to around 2,850°F with 36–40% alumina content. These bricks are commonly used in boilers, industrial kilns, and other higher-heat environments where increased temperature resistance and strength are required.

 

Super Duty fire brick increases performance further, rated near 2,900°F and containing 40–44% alumina. This grade offers improved resistance to spalling (surface flaking due to thermal shock) and enhanced structural stability in demanding applications.

 

High Fired Super Duty fire brick is rated between 3,000–3,150°F and is often fired twice to reduce porosity and increase density. These bricks are extremely dense, offer high abrasion resistance, and are designed for continuous industrial use in furnaces, arches, and severe-duty environments.

 

At the extreme end are 90% alumina bricks, such as products like Korundal XD. These high-alumina refractory bricks are capable of handling temperatures around 3,000°F and above, and are used in industrial reactors, sulphur recovery units, and other chemically aggressive, high-temperature environments. They are highly volume-stable and extremely durable—but for residential pizza ovens, they are typically unnecessary and considered overkill. For most wood-fired pizza oven builds, a medium duty dense refractory fire brick provides the ideal combination of heat retention, structural strength, thermal shock resistance, and long-term durability.

Hard Fire Brick vs Soft Fire Brick (Dense vs Insulating Fire Brick)

When comparing hard fire brick vs soft fire brick, the key difference lies in density, strength, and how each brick handles heat. Understanding this difference is critical when building a pizza oven, firebox, kiln, or forge. Hard fire brick (dense refractory brick) is the preferred material for high-impact, high-heat applications. It is commonly used for pizza oven floors, fireboxes, chimneys, and direct flame areas because of its strength and durability. Dense fire brick is heavy (typically around 7–8 pounds per brick), has high thermal mass, and excels at storing and radiating heat evenly. It is also highly abrasion resistant, meaning it can withstand metal peels, ash rakes, cookware, and direct flame exposure.

 

For wood-fired pizza ovens, medium duty hard firebrick is generally the ideal choice, offering an excellent balance of heat retention, durability, and performance. In contrast, soft fire brick (also called insulating fire brick or IFB) is designed primarily for insulation rather than heat storage. These bricks are lightweight and contain sponge-like air pockets created during manufacturing. This structure gives them low thermal mass and low heat storage, but excellent insulating properties. Soft fire brick is commonly used in electric kilns, reduction kilns, and as back-up insulation behind dense refractory brick. They are available in grades such as 2300°F, 2600°F, 2800°F, and 3000°F, indicating their maximum service temperature. While insulating fire brick performs well in controlled kiln environments, it is not recommended for pizza oven cooking floors, where dense fire brick is needed for strength, abrasion resistance, and proper heat retention.

Fire Brick Mortar Recipe for Pizza Ovens (High-Temperature Mortar)

The traditional high-temperature mortar recipe for pizza ovens and fireplaces is a proven four-part blend used worldwide in refractory construction. The dry mix ratio consists of 3 parts fine silica sand, 1 part hydrated lime, 1 part fireclay, and 1 part Portland cement. Only fine silica sand should be used — pool filter sand is acceptable — as coarse sand, mason sand, play sand, or concrete sand can weaken the mix and reduce heat performance. Hydrated lime should be a white, fluffy powder used in masonry applications, not agricultural or garden lime. Portland cement must be pure Portland cement, not pre-mixed blends that already contain lime. Mortar that has fallen or partially cured should never be reused; always mix fresh batches to ensure proper bonding and long-term durability in high-heat environments.

Premixed Refractory Mortar (High-Temperature Mortar Options)

For builders who prefer convenience over mixing their own refractory mortar, premixed high-temperature mortar is available through refractory dealers, some landscape and masonry supply stores, and select big box retailers (often ordered through the Pro Desk). These products are typically rated between 1,500°F and 2,550°F, making them suitable for pizza ovens, fireplaces, and fire pits. While premixed mortar is slightly more expensive than DIY high-temp mortar, it offers consistent formulation and ease of use.

How to Cut Fire Brick (Refractory Brick Cutting Guide)

Cutting dense hard fire brick requires proper tools and safety precautions. Because refractory brick is significantly denser than standard clay brick, a wet tile saw equipped with a diamond masonry blade is recommended for clean, accurate cuts. Briefly soaking fire bricks before cutting can help reduce airborne dust and prevent dry bricks from pulling moisture out of mortar during installation. Proper dust control is essential, as silica dust can be hazardous when inhaled. When possible, position a fan behind you while cutting outdoors to direct dust away from your breathing zone. 

What Makes Fire Brick Withstand High Heat?

What makes fire brick (refractory brick) withstand extreme high temperatures comes down to its composition and manufacturing process. The primary ingredient in fire brick is fire clay, a naturally occurring material rich in alumina (Al₂O₃), silica (SiO₂), and kaolinite—minerals capable of maintaining structural stability under intense heat. In general, the higher the alumina content, the greater the temperature capability of the brick. Depending on grade and application, manufacturers may also incorporate materials such as bauxite, chamotte (calcined clay), quartzite, mullite, sillimanite, magnesia, graphite, or zirconia to enhance strength, thermal performance, and chemical resistance in demanding environments like pizza ovens, kilns, furnaces, and forges.

 

Beyond raw materials, performance depends on several key engineering factors: alumina percentage, low iron content (which improves longevity), compact crushing strength (CCS), flexural strength, thermal conductivity, controlled porosity, and abrasion resistance. Together, these properties allow fire brick to resist thermal shock, maintain structural integrity under repeated heating and cooling cycles, and perform reliably in direct flame and high-heat cooking applications.

How Fire Brick Is Made (Refractory Brick Manufacturing Process)?

Fire brick (also called refractory brick or fireclay brick) is manufactured through a carefully controlled process designed to create a dense, high-temperature ceramic capable of withstanding extreme heat. The process begins with carefully selected raw materials, including plastic and non-plastic fire clays, bauxite, and grog (pre-fired refractory material that improves stability and reduces shrinkage). These materials are blended in precise ratios to achieve the desired alumina content, strength, and thermal performance. During manufacturing, the raw materials are first mixed and ground to a uniform particle size. Water is then added in a muller or mixer to create a workable, semi-plastic mass. The material is pressed into molds under high pressure—often around 8,000 PSI—to form the standard 9" x 4.5" x 2.5" fire brick shape.

 

After forming, the bricks are air dried for approximately 2–3 days to remove excess moisture before firing. The bricks are then placed on kiln cars and fired in a tunnel kiln at temperatures exceeding 1200°C (over 2,000°F) for approximately 48 hours. During firing, a critical process called sintering occurs. In this stage, organic binders burn off and the ceramic particles fuse together at temperatures approaching 3,000°F, without fully melting. This controlled fusion reduces porosity, increases compact crushing strength, enhances abrasion resistance, and significantly improves the brick’s ability to withstand repeated thermal cycling. After controlled cooling, the fire bricks are inspected and prepared for shipment, ready to perform in pizza ovens, kilns, furnaces, fireboxes, and other high-heat applications.

Fire Brick Sizes & Shapes (Standard 9" x 4.5" x 2.5")

Fire brick is manufactured in a variety of sizes and shapes to accommodate different high-temperature construction needs, from pizza ovens to industrial furnaces. In the United States, the most common and widely used standard size is 9” × 4.5” × 2.5”, often referred to as a “full size” or “straight.” Internationally, this dimension is commonly listed as 229mm × 114mm × 64mm. This size has become the industry standard because it offers an ideal balance of structural strength, manageable weight, and strong thermal mass for heat retention.

 

In addition to the standard full-size fire brick, other dimensions are available to suit specific designs and applications. Common alternatives include 8.5” × 4.5” × 2.25”, 9” × 4” × 2.5”, 12” × 4.5” × 3”, and 13.5” × 4.5” × 3”. Fire bricks also come in specialty shapes such as splits (typically 1”–2” thick for thinner installations), soaps (half-width bricks), arches, wedges, skews, and square edge tiles used in large-format installations.

 

When selecting fire brick size, it’s important to understand that thinner bricks have less thermal mass, meaning they store less heat. In applications like wood-fired pizza ovens where heat retention and even cooking are critical, thicker dense fire brick generally provides better performance and longer heat hold.

Is Fire Brick Safe to Cook On?

A common question is: Is firebrick safe to cook on? The answer is yes. True refractory fire brick is widely used in commercial and residential pizza ovens around the world and is specifically engineered for high-temperature cooking environments. Firebrick is manufactured from refractory clays containing alumina and silica and does not contain toxic additives designed to burn off during use. When properly installed and used within its temperature rating, fire brick does not emit harmful fumes and is considered safe for food-contact cooking surfaces in ovens and grills. As with any construction material, if you are unsure about a specific product, test a small area first before full cooking use.

How Long Does Fire Brick Last?

When properly installed and used within its rated temperature range, dense fire brick can last decades in pizza ovens, fireplaces, fire pits, and kilns. Longevity depends on correct mortar use, proper insulation behind the brick, moisture management, and avoiding severe mechanical impact. Hairline cracks are common in high-heat masonry and typically do not affect performance or safety. Only fully broken bricks need replacement. For long-term maintenance planning, it is highly recommended to purchase an additional 10 fire bricks for storage so matching replacements are available if needed. In many oven designs, even an entire pizza oven floor can be replaced through the oven mouth without dismantling the entire structure.

Fire Brick Benefits (Why Use Refractory Brick?)

Using proper dense refractory fire brick in your pizza oven, fireplace, or fire pit provides numerous performance advantages: even heat distribution, superior heat retention, resistance to extreme temperatures, improved cooking results, enhanced crust development, moisture resistance, abrasion resistance from metal tools, energy efficiency, and long service life. The high thermal mass of fire brick reduces fuel consumption and improves recovery time between cooking cycles, making it the gold standard for wood-fired cooking environments.

Fire Brick Colors (Does Color Affect Performance?)

When shopping for fire brick or refractory brick, many buyers assume that color determines performance — it does not. Approximately 98% of firebrick manufactured in the United States is tan or buff in color, which is simply the natural result of the refractory clay composition used during production. Other available colors may include red (often marketed as “salmon”), black, or ivory variations. However, the color of a fire brick for pizza oven, fireplace, kiln, or fire pit has absolutely no effect on temperature rating, alumina content, thermal mass, strength, or durability. Performance is determined by chemical composition and manufacturing quality — not appearance. In real-world use, especially in wood-fired pizza ovens and smokers, firebrick will naturally darken from smoke, carbon, and seasoning. After a few brisket cooks, nearly all fire bricks turn dark regardless of their original color. For safety and performance reasons, you should never paint fire brick or apply fire brick stain, as coatings can trap moisture, interfere with thermal performance, and potentially release unwanted fumes in high-heat cooking environments.

How to Clean Fire Brick

In most cases, fire brick requires minimal cleaning. Over time, pizza oven floors and firebox liners naturally season from smoke, ash, and cooking oils. This patina is normal and often preferred by oven owners. If cleaning becomes necessary, oven cleaner may be used cautiously, though it can dull the surface appearance of the brick. Because oven cleaners are flammable and chemically aggressive, they should be used carefully and according to manufacturer instructions. Many builders simply allow natural seasoning to occur rather than aggressively cleaning the refractory surface.

Nationwide Shipping with Freight Forwarding Service to Alaska, Hawaii, Caribbean

We ship nationwide via commercial pallet freight carriers and can coordinate freight forwarding to Alaska, Hawaii, and the Caribbean. Whether you choose jobsite delivery, business delivery, or terminal pickup, we’ll help arrange the most efficient shipping option for your project. Please note that all refractory brick is non-refundable and non-returnable. Due to ongoing credit card fraud in the building materials industry, full pallet orders must be prepaid by check, money order, or wire transfer prior to shipment.

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To help you get the most out of your pizza oven kit budget, we offer cost-saving packages that let you save more when you order multiple items instead of buying them individually. By combining and shipping these items together, we reduce shipping costs and pass those savings on to you through discounted package pricing.
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FREE Pizza Oven Plans

Our free wood-fired pizza oven and pizza oven base plans have helped thousands of DIY enthusiasts create the backyard pizza oven of their dreams. Whether you're a seasoned mason or a complete novice, our colorful, detailed step-by-step plans, complete with exact materials lists, make it easy for homeowners to build a durable high-performance outdoor oven that will last for several generations.
Title
Title

Fire Brick FAQ (Common Questions About Refractory Brick)

Below are the most frequently asked questions about fire brick and refractory brick for pizza ovens, fireplaces, kilns, and other high-heat applications. These answers cover fire brick grades, temperature ratings, mortar selection, dense vs insulating brick, and long-term performance so you can choose the right material with confidence.

Can I use regular brick instead of fire brick in a pizza oven?

No. Regular red clay brick is not engineered for the extreme heat and rapid temperature swings inside a wood-fired pizza oven. While standard brick may tolerate temperatures around 1,200°F, it cannot handle repeated thermal shock. Over time, regular brick will crack, flake (spall), lose structural integrity, and may even shed debris onto your cooking surface. Fire brick (refractory brick) is specifically manufactured to withstand repeated heating and cooling cycles, direct flame exposure, and high mechanical abrasion. If you are building an oven interior, the correct material is dense refractory fire brick — not standard clay brick.

What is the best fire brick for a pizza oven floor?

The best fire brick for a pizza oven floor is medium duty dense fire brick. A pizza oven floor must handle surface temperatures around 750°F and direct flame exposure reaching 1,200–1,400°F. It must store heat (thermal mass), conduct heat evenly, resist abrasion from metal peels and cookware, and tolerate steam from moist dough. Medium duty dense fire brick provides the ideal balance of strength, thermal conductivity, durability, and cost. Insulating (soft) fire brick is not recommended for cooking floors because it lacks the density and abrasion resistance required for long-term performance.

What grade fire brick should I use?

For most residential wood-fired pizza ovens, medium duty fire brick (rated to approximately 2,700°F) is the preferred grade. It contains 34–38% alumina and offers excellent thermal shock resistance, strength, and heat retention. Higher grades such as high duty or super duty are designed for industrial applications like boilers and furnaces and are generally unnecessary for pizza ovens. Medium duty dense fire brick delivers professional performance without overpaying for industrial overkill.

What is the difference between fire brick and refractory brick?

In most cases, the terms “fire brick” and “refractory brick” are used interchangeably. Both refer to ceramic bricks engineered to withstand high temperatures. Refractory brick is the broader technical term describing materials designed for high-heat environments such as kilns, furnaces, and fireboxes. Fire brick typically refers to refractory brick used in fireplaces and pizza ovens. When properly manufactured, both are designed to resist thermal shock, maintain structural integrity, and perform under direct flame exposure.

Hard fire brick vs insulating fire brick — which should I use?

If you are building a pizza oven floor or firebox, you should use hard (dense) fire brick. Dense fire brick is heavy (approximately 7–8 lbs per brick), has high thermal mass, stores heat efficiently, and resists abrasion from cooking tools. Insulating fire brick (soft brick or IFB) is lightweight and designed for insulation, not heat storage. While insulating brick performs well as backup insulation in kilns, it does not have the strength or durability required for pizza oven cooking surfaces.

How hot can fire brick withstand?

When used in conjunction with a pizza oven door, a closed damper effectively seals the oven, maintaining the high temperatures inside. Additionally, a closed damper helps keep out debris, animals, and cold air, which can lead to inconsistent baking temperatures.

The temperature resistance of fire brick depends on its grade. Medium duty fire brick is typically rated to around 2,700°F. High duty and super duty bricks can withstand 2,850–3,150°F or more. In a wood-fired pizza oven, temperatures rarely exceed 1,400°F under direct flame, which is well within the safe operating range of medium duty dense fire brick. Choosing the proper grade ensures long-term durability and resistance to cracking or spalling.

Is fire brick safe to cook on?

Yes. True refractory fire brick is widely used in commercial and residential pizza ovens worldwide and is considered safe for cooking applications. It is manufactured from refractory clays rich in alumina and silica and does not contain harmful additives intended to burn off during use. When properly installed and used within its rated temperature range, fire brick does not emit toxic fumes and provides a safe, stable cooking surface for pizza, bread, and other high-heat foods.

How long does fire brick last?

When installed correctly and used within its temperature rating, dense fire brick can last decades. Longevity depends on proper insulation, correct mortar use, and avoiding severe mechanical impact. Hairline cracks are common in high-heat masonry and usually do not affect performance. Only fully broken bricks require replacement. Many oven designs allow individual bricks — or even entire floors — to be replaced through the oven opening without rebuilding the structure.

What mortar should I use for fire brick?

For pizza ovens and fireplaces, a high-temperature mortar is required. A traditional four-part blend consists of 3 parts fine silica sand, 1 part hydrated lime, 1 part fireclay, and 1 part Portland cement. Only fine silica sand should be used; coarse sand or play sand can weaken the mix. Premixed refractory mortar rated between 1,500°F and 2,550°F is also available for convenience. Never reuse mortar that has fallen or partially cured — always mix fresh batches for proper bonding and durability.

Do fire bricks crack over time?

Minor hairline cracks are normal in high-temperature applications due to thermal expansion and contraction. These small cracks typically do not affect performance or safety. True refractory fire brick is engineered to resist thermal shock and maintain structural integrity under repeated heating and cooling cycles. Cracking becomes a concern only if the brick fully fractures or loses structural strength, at which point individual bricks can be replaced.

Can you ship to Alaska, Hawaii or the Caribbean?

We ship nationwide via commercial pallet freight carriers and can coordinate freight forwarding to Alaska, Hawaii, and the Caribbean. Whether you choose jobsite delivery, business delivery, or terminal pickup, we’ll help arrange the most efficient shipping option for your project. Please note that all refractory brick is non-refundable and non-returnable. Due to ongoing credit card fraud in the building materials industry, full pallet orders must be prepaid by check, money order, or wire transfer prior to shipment.

Recommended Accessories for Fire Brick and Refractory Brick

Maximize the performance of your fire brick or refractory brick pizza oven with essential high-temperature materials built for durability and heat retention. Our refractory mortar (dry mix and wet premix), castable refractory cement, and ceramic fiber blanket insulation (6lb and 8lb) are engineered to withstand extreme temperatures while improving structural strength and thermal efficiency. These proven accessories help your oven heat faster, hold temperature longer, and resist cracking from thermal shock.

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