Congratulations on your new brick oven. Before you fire it up to 800°F and slide in your first pizza, there’s one essential step that every new owner needs to complete: the curing process. It’s not complicated, it doesn’t take special tools, and it only needs to be done once — but skipping it can crack your oven, compromise its structure, and cost you years of performance.
Here’s everything you need to know to do it right.
Why Curing Matters
Brick ovens are built from dense, porous materials — refractory cement, firebrick, stone, and mortar — all of which absorb moisture during the manufacturing and installation process. That moisture is invisible to the eye, but it’s there, trapped deep within the walls, floor, and dome of your oven.
When you heat any material rapidly, it expands. Water, when heated rapidly inside a dense structure, turns to steam — and steam needs somewhere to go. If you build a roaring fire in an uncured oven, that trapped moisture tries to escape all at once, creating internal pressure that can crack the mortar, fracture the dome, or cause surface spalling on the oven floor. These aren’t cosmetic issues. Structural cracks compromise heat retention, create uneven cooking surfaces, and shorten the life of your oven significantly.
Curing solves this by doing one simple thing: driving the moisture out slowly, gradually, and safely — before it can cause any damage.
Before You Begin
Choose a dry stretch of weather for your curing process. Ideally, you want several consecutive days without rain, since moisture in the air will work against you between fires. If your oven has been sitting outside during wet weather, give it a few dry days before you start.
Gather your wood ahead of time. For the curing process, small-diameter hardwood kindling and splits are ideal — you’re not trying to build a raging fire, you’re trying to build a controlled, modest one. Oak, ash, or any well-seasoned hardwood works well. Avoid softwoods entirely.
You’ll also want a good thermometer. An infrared surface thermometer or a reliable oven thermometer will help you monitor the floor temperature so you’re not guessing. The curing process is about patience and precision, and knowing your temperatures keeps you in control.
The Curing Process: A Step-by-Step Guide
Curing a brick oven is done over multiple fires across several days. Each fire is slightly larger and hotter than the last, coaxing moisture out in stages rather than all at once. Most manufacturers recommend a minimum of four to five curing fires, and we suggest not rushing it — give your oven a full week if you can.
Fire One: The Gentle Introduction
Build a very small fire using just a handful of kindling in the center of the oven floor. You’re aiming for a fire that produces modest warmth — nothing dramatic. The target floor temperature for this first fire is around 150–200°F. Let the fire burn gently for two to three hours, then allow the oven to cool completely before the next session. You may notice steam rising from the dome or the oven mouth during this fire — that’s exactly what you want to see. It means the process is working.
Don’t be tempted to add more wood. The goal of the first fire isn’t heat; it’s hydration removal at the most vulnerable stage.
Fire Two: Building Confidence
On your second day, build a slightly larger fire — a small bed of kindling plus a few small splits. Aim for a floor temperature of 250–300°F and sustain it for two to three hours. Again, allow the oven to cool fully overnight. You may still see some steam, and small surface hairline marks may appear on the interior — this is normal and expected. These superficial marks are the mortar adjusting, not structural damage.
Fire Three: Finding Your Rhythm
By the third fire, you can begin building to something that more closely resembles a real cooking fire — though still modest by comparison to a full bake. Use a proper bed of small splits and aim for a floor temperature of 350–400°F. Sustain for two to three hours and allow the oven to fully cool before proceeding.
At this stage, steam should be noticeably reduced. Your oven is beginning to find its equilibrium.
Fire Four: Stepping Up
The fourth fire can take your floor temperature to 450–500°F. Use well-seasoned hardwood splits of a normal size and build the fire confidently. At this temperature, your oven will begin behaving the way it will in regular use — radiating steady, penetrating heat from the floor and dome. Sustain for two to three hours and allow the oven to cool fully.
Fire Five: The Final Cure
Your fifth and final curing fire can push the oven to its working temperature — 600–700°F on the floor, or higher if your oven is designed for Neapolitan-style pizza. Build a full fire, let it run for two to three hours, and then allow the oven to cool completely one last time. By this point, virtually all moisture has been expelled. Your oven is cured, stable, and ready for real cooking.
What to Expect Along the Way
A few things are perfectly normal during the curing process that might concern a first-time owner. Steam or condensation visible around the dome or oven mouth is a good sign, not a bad one — it means moisture is escaping as intended. Small hairline cracks in the interior mortar are also expected and harmless; refractory materials are designed to flex slightly under thermal stress, and fine surface cracks are part of how the oven settles into its final state.
What you should watch for is any deep, widening crack — particularly in the dome or around the oven mouth — that appears to grow between fires. If you notice anything like this, stop the curing process and contact us before proceeding. In most cases, the fix is simple, but it’s always better to address it early.
After the Cure: Your First Real Cook
Once your oven is fully cured, take a moment before your first cook to do a slow, steady warm-up fire — even though the curing is complete. This habit of always starting with a gentle warm-up fire before building to full temperature is one of the best things you can do for the long-term health of your oven. Brick ovens last for decades, and the care you put in during those first fires sets the tone for everything that follows.
For your first real cook, we recommend keeping it simple. Make pizza. Build a full fire, push the floor temperature to your target range, and slide in a well-made dough with simple toppings. There’s no better way to meet your oven, understand its heat patterns, and develop the intuition that all great wood-fired cooks eventually build.
A Few Common Mistakes to Avoid
The single biggest mistake new owners make is impatience. The curing process feels slow because it is slow — that’s the point. Rushing it by building too-large fires too early is the most common cause of cracked ovens, and it’s entirely preventable.
The second most common mistake is curing in wet weather. If rain is falling on your oven between fires, you’re working against yourself. Moisture that left during one session can return overnight if the oven isn’t protected. If you live in a wet climate, a quality oven cover is worth every penny.
Finally, don’t skip the cool-down periods between fires. The curing process works in cycles of heat and rest, and the resting phase is just as important as the fire itself. Rushing from one fire directly to the next doesn’t give the oven time to stabilize, and it defeats the purpose of the gradual approach.
The Payoff
A properly cured brick oven is one of the most rewarding investments a home cook can make. The dense, heat-saturated walls hold and radiate warmth in a way no conventional oven can replicate. The floor retains the energy to blister a pizza crust in 90 seconds. The dome reflects heat back down onto your food with an evenness that produces a quality of cook — crisp, caramelized, fragrant — that simply isn’t achievable any other way.
That performance, and the decades of cooking it makes possible, all begins with five small fires and a little patience.
Take your time, trust the process, and your oven will reward you for years to come. If you have questions during your curing process, the Bread Stone Ovens team is always here to help.
