--- title: "Wood-Fired Pizza Oven Repair | PizzaOvenRepair.center" description: "A refractory dome over a firebrick or cast hearth, fired with wood and often a gas burner too, with a chimney, a door and thick insulation around it." url: "https://pizzaovenrepair.center/types/wood-fired-pizza-oven-repair/" --- # Wood-Fired Pizza Oven Repair A refractory dome over a firebrick or cast hearth, fired with wood and often a gas burner too, with a chimney, a door and thick insulation around it. ## Is yours a wood-fired? A wood-fired pizza oven is a mass of refractory material shaped into a low dome over a flat hearth, wrapped in insulation and finished in stucco, tile, stone or a steel shell. The fire burns on the floor at the back or one side, and its flame curls up across the dome and back down over the pizza, while the hearth stores the heat it needs to crisp the base. Smoke and hot gas leave through the mouth into a short throat and a chimney, and the height and condition of that chimney decide whether the draft pulls cleanly or pushes smoke back at the cook. Modular ovens from Mugnaini, Forno Piombo, Chicago Brick Oven, Fontana Forni and Alfa arrive as cast sections or as a finished unit, and many are hybrids with a gas burner and its own valve and flame sensor tucked under the floor or along a wall. Marra Forni and Wood Stone build larger domes for pizzerias. The dome is strong in compression but hates water and sudden heat: an oven soaked by rain and fired hard steams from the inside, and the curing fires that drive moisture out were meant to be small and slow for a reason. Most repairs are about that mass: hairline cracks that open wider, floor bricks that spall or rock, a chimney lined with creosote, a door that warps, and on hybrids the same pilot and sensor trouble a gas oven has. What fails on a wood-fired pizza oven How to tell 01 Inside the mouth you see a curved ceiling and a floor of firebrick or cast tiles, with ash or a blackened patch where the fire usually burns. 02 A chimney or a flue rises from just in front of the dome or above the arch, and the oven comes with a loose metal or wooden door. 03 The outside is plaster, stucco, tile, stone or a steel skin over a deep, heavy body that clearly cannot be lifted by hand. 04 A hybrid oven adds a gas knob, a pilot window or a burner tray below the hearth, while still keeping room at the back for a wood fire. Not yours? [Outdoor gas pizza oven](https://pizzaovenrepair.center/types/outdoor-gas-pizza-oven-repair/) [Commercial deck oven](https://pizzaovenrepair.center/types/commercial-deck-oven-repair/) [Conveyor and rapid-cook pizza oven](https://pizzaovenrepair.center/types/conveyor-pizza-oven-repair/) ## What fails on this design. On a wood-fired pizza oven: cracks in the dome and the arch, hearth bricks that spall or rock, chimney, throat and draft, gas burner and sensor on a hybrid. The problems it shows ### Cracks in the dome and the arch Fine surface cracks in a refractory dome are normal as it heats and cools. A crack that opens wider every season, lets light or smoke through, or runs across the mouth arch is the one that needs a repair before a piece drops onto the hearth. ### Hearth bricks that spall or rock Water in the floor turns to steam when a big fire is lit, and flakes pop from the face of the bricks. A floor tile that rocks under the peel catches the pizza, and its gaps let ash settle into the insulation below. ### Chimney, throat and draft Creosote narrows the flue, a missing cap lets in rain and birds, and a chimney too short for its surroundings leaves smoke rolling out of the mouth. All three look the same from the patio: a smoky face and a fire that sulks. ### Gas burner and sensor on a hybrid The burner under or beside the hearth has its own valve, pilot and thermocouple or flame rod. Ash and heat from the wood fire foul the sensor, and the gas side then refuses to stay lit even though the wood side works. ## Getting at it, and whether to. Let the oven go completely cold before the visit and leave the ash where it is, so the burn pattern on the hearth can be read. [What repairs cost](https://pizzaovenrepair.center/cost/) On the visit 1. Clear a path to the mouth and to any cleanout or gas access door, and move firewood away from the base of the oven. 2. If smoke is filling a room or a covered area, open windows and doors, let the fire burn down and keep people out rather than smothering it with water. 3. Tell us how often the oven is fired, how it is covered, whether it was wet before the last fire, and whether a gas burner is part of it. Repair or replace A wood-fired oven is nearly always repaired rather than replaced, because the dome, the base and the finish around it are a large piece of work and most damage is local. Cracks can be packed and sealed, floor bricks lifted and reset, a chimney cleaned or capped, and a hybrid's gas parts replaced like any other oven. Rebuilding is on the table only when the dome has sagged, a large section has fallen, or water has ruined the insulation all the way round; the technician lays out what a rebuild means next to a repair. Book a visit for a wood-fired pizza oven ## The problems it shows. On a wood-fired pizza oven, most often pizza oven smoke filling the room instead of leaving by the flue. [All problems](https://pizzaovenrepair.center/problems/) Gas, fire or smoke at the oven ### Pizza Oven Smoke Filling the Room Instead of Leaving by the Flue 6 causes, cheapest first ### Wood-Fired Pizza Oven Smoking Heavily Out of the Chimney Top 6 causes, cheapest first ### Pizza Oven Dome Cracked Inside or Out After Rain or a Big Fire 6 causes, cheapest first ### Pizza Oven Floor Cracked: Split Tiles, Lifted Bricks, Crumbling Stone 6 causes, cheapest first ### Black Soot Streaks on the Pizza Oven Arch and Front Face 6 causes, cheapest first ### Pizza Oven Not Getting Hot Enough to Bake a Crisp Crust 7 causes, cheapest first ### Pizza Oven Door Warped, Hinge Broken or Seal Worn Out 6 causes, cheapest first Gas, fire or smoke at the oven ### Flames Rolling Out of the Pizza Oven Mouth or Chimney 6 causes, cheapest first ## Who builds a wood-fired. 8 of the makes on this site build a wood-fired pizza oven. Each mark opens that make's own page. [All 16 brands](https://pizzaovenrepair.center/brands/) ## Wood-fired pizza oven repair, where we come out. 9 metros, each with its own page. 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Hairline cracks that close again as the dome warms are part of how refractory moves. Watch for a crack that grows each season, one you can slide a card into when cold, or one that shows smoke or light; those let heat and water in and should be looked at. ### Why does my brick oven smoke out of the front instead of up the chimney? Most often the fire is too big or too wet for the draft, the flue is partly blocked by creosote or a nest, or the chimney is too short for the wind around the house. A smoky start that clears once the dome is hot is normal; smoke that never clears is not. ### How should a wood-fired oven be dried out after heavy rain? With several small fires over a few days, each a little larger than the last, and the door left off so steam can escape. A full pizza fire in a wet oven is the classic way to spall the hearth and open the dome. --- **[Read on the site: Wood-Fired Pizza Oven Repair | PizzaOvenRepair.center](https://pizzaovenrepair.center/types/wood-fired-pizza-oven-repair/)** **[Book a visit with PizzaOvenRepair.center](https://pizzaovenrepair.center/schedule/)**