A pizza stone can help a pellet grill bake a crisper crust by drawing moisture from the dough and spreading heat across the base. The right choice depends on your grill’s cooking space, the size of pizza you make, and whether you want a stone for other baking too. These five options range from compact rectangular stones to a larger replacement made for select Green Mountain Grills models, so check the dimensions before you buy.
Quick Comparison
| Pizza Stone | Shape and Size | Material / Heat Rating | Best For |
|---|---|---|---|
| Hans Grill Rectangular Pizza Stone with Peel | Rectangular, 15 x 12 inches | Cordierite, up to 1,112°F | A versatile stone-and-peel set |
| Pit Boss 15-Inch Ceramic Pizza Stone | Round, 15 inches | Ceramic; no heat rating supplied | Grillers who want a round stone with handles |
| Unicook Rectangular Pizza Stone | Rectangular, 15 x 12 inches | Cordierite, up to 1,450°F | Personal pizzas and higher stated heat tolerance |
| Pellethead Large Pizza Oven Stone | Rectangular, about 15¾ x 13¾ inches | Material and heat rating not supplied | Select Green Mountain Grills models |
| DcYourHome Extra Large Pizza Stone | Rectangular, 20 x 13.5 inches | Cordierite, up to 1,400°F | Large grills and bigger baking space |
Our Picks: Best Pizza Stone For Pellet Grill reviews
Hans Grill: A Handy Stone-and-Peel Set for Grilling
This 15 x 12-inch rectangular cordierite stone is designed for both ovens and BBQ grills. Its listed heat resistance is up to 1,112°F, and the set includes a peel, which gives you a tool for moving pizza on and off the hot surface.
The size should suit smaller pizzas and many grill setups, but measure your pellet grill’s cooking area before ordering. Leave room around the stone for airflow, and make sure it does not block the grill lid from closing. Its listed temperature limit is lower than the Unicook and DcYourHome stones, so those may be a better fit if a higher stated heat tolerance is your priority.
Cordierite is porous, and the maker notes that stains are normal and do not affect the stone’s function. That practical detail matters: this is a cooking surface, not a serving piece that needs to stay spotless. The stone is also intended for other baking, including bread, pies, pastries, and frozen pizza.
Pros:
- Includes a peel with the stone
- Rectangular shape can make good use of grill space
- Designed for oven and BBQ use
- Suitable for pizza and other baked foods
Cons:
- Its 1,112°F heat rating is lower than some other picks
- Check the 15 x 12-inch footprint against your grill before buying
Verdict: Choose the Hans Grill if you want a versatile rectangular stone and peel in one set, and its dimensions and listed heat limit suit your grill.
Pit Boss: A Round Ceramic Stone with Lift Handles
The Pit Boss is a 15-inch round ceramic stone with built-in lift handles. It is described for use on grills, in ovens, and in microwaves, and it does not need seasoning. The handles may make it easier to lift when the stone is cool, but take care when handling any hot stone and use suitable protective gear.
A round stone is a natural match for round pizzas, though its shape may leave unused space in a rectangular grill. The supplied product information does not give a maximum heat rating, so check the maker’s instructions for temperature guidance before using it in a pellet grill.
Availability is marked as unavailable in the supplied product data. If the listing is unavailable when you check, the rectangular Hans Grill or Unicook stones offer alternatives, but neither has the Pit Boss’s built-in handles.
Pros:
- 15-inch round surface suits round pizzas
- Built-in lift handles
- Listed for grills, ovens, and microwaves
- No seasoning needed
Cons:
- No maximum heat rating is provided in the supplied details
- Availability is marked as unavailable in the supplied product data
Verdict: Consider the Pit Boss if you specifically want a handled, round ceramic stone and can confirm the product is available and suitable for your grill.
Unicook: A Heavy-Duty Rectangular Stone for Personal Pizzas
The Unicook measures 15 x 12 inches, is 0.6 inches thick, and weighs about 6.8 pounds. Its cordierite construction is rated to withstand temperatures up to 1,450°F. The maker recommends it for personal pizzas up to 11 inches, which makes it a more clearly defined choice for smaller pies than the larger-stone options here.
The porous surface is designed to absorb moisture, while the stone’s two usable sides give you a reversible baking surface. A plastic scraper is included for removing residue. The product information advises allowing 1–2 inches of clearance on all sides inside your oven or grill; that is especially important when checking fit in a pellet grill.
Care is straightforward but specific: let the stone cool before scraping it, and clean it with warm water without detergent. Like other porous stones, it can discolor with use. Its higher listed heat tolerance is an advantage on paper, but the smaller recommended pizza size may not suit anyone making large pies.
Pros:
- Listed heat resistance up to 1,450°F
- Reversible surface and included scraper
- Size is specified for personal pizzas up to 11 inches
- Detailed fit and cleaning guidance is provided
Cons:
- Not the best match for pizzas larger than 11 inches
- Requires 1–2 inches of clearance on every side
Verdict: Pick the Unicook if you make personal-size pizzas and want a compact cordierite stone with a higher stated heat limit than the Hans Grill.
Pellethead: A Larger Replacement Stone for Select GMG Grills
This replacement stone is made for Daniel Boone, Jim Bowie, Ledge, and Peak Green Mountain Grills models. The listed dimensions are approximately 15¾ x 13¾ inches, and it weighs about 10 pounds. Because it is intended for specific grill models, checking your grill’s model and cooking area is especially important before ordering.
The product description says it can be used on its own or with GMG’s large pellet pizza oven. It also notes that the pizza oven can cook pizzas in as little as two to four minutes; that timing applies to the described pizza-oven setup, not necessarily to using the stone by itself. The supplied details do not state the stone’s material or maximum heat rating.
This is a more specialized pick than the other stones. Its dimensions are larger than the 15 x 12-inch options, but it is not the most flexible choice if you want a stone for different grills or general kitchen use. The listing includes a one-year manufacturer warranty.
Pros:
- Made for select Green Mountain Grills models
- Larger footprint than the 15 x 12-inch stones
- Can be used on its own or with the specified GMG pizza oven
- Includes a one-year manufacturer warranty
Cons:
- Compatibility is limited to specified grill models
- Material and maximum heat rating are not provided in the supplied details
Verdict: Choose the Pellethead if you own a compatible Green Mountain Grills model and have confirmed that its listed dimensions fit your setup.
DcYourHome: Extra-Large Baking Space for Bigger Grills
At 20 x 13.5 inches, this cordierite stone has the largest listed footprint in this group. Its product description names Camp Chef, Char-Broil, and other large grills as possible fits, but you should still measure your pellet grill’s cooking area and allow space around the stone before buying.
The stated heat resistance is up to 1,400°F. The maker describes a textured surface intended to absorb excess moisture, and the stone is also presented for bread, cookies, scones, and other baking. The larger size may be useful if you want more room than the 15 x 12-inch stones provide, but it can be awkward or simply too large for a compact grill.
Availability is marked as unavailable in the supplied product data. If it is not offered when you check, consider the Hans Grill or Unicook for a smaller footprint. Both are also cordierite options, though neither provides the same listed baking area.
Pros:
- Largest listed surface in this comparison
- Cordierite rated up to 1,400°F
- Designed for pizza and other baked foods
- Rectangular shape can use a wide grill surface efficiently
Cons:
- May be too large for smaller pellet grills
- Availability is marked as unavailable in the supplied product data
Verdict: The DcYourHome is worth considering for a large grill if its dimensions fit, but check availability before planning around it.
How to Choose a Pizza Stone for a Pellet Grill
Measure the Grill’s Cooking Area
Start by measuring the usable cooking surface, not just the outside of the grill. Compare those measurements with the stone’s length and width, and leave room around it for airflow. The Unicook specifically calls for 1–2 inches of clearance on all sides. Also make sure the stone does not prevent the lid from closing or interfere with other grill parts.
Match the Stone to Your Pizza Size
A stone’s outer dimensions do not tell you exactly how large a pizza to make. The Unicook is recommended for personal pizzas up to 11 inches, while the other product details do not give the same size guidance. Choose a stone that gives you enough room for the pizza you plan to cook, with a little space to handle it safely.
Compare Material and Stated Heat Limits
Several picks are made of cordierite, but their listed temperature limits vary: 1,112°F for the Hans Grill, 1,450°F for the Unicook, and 1,400°F for the DcYourHome. The Pit Boss is ceramic, and the supplied details do not include a heat rating. The Pellethead’s material and heat rating are also not specified. Follow the product instructions and your grill maker’s guidance rather than assuming all stones have the same limits.
Consider Shape, Weight, and Included Tools
Rectangular stones can make use of a wide grill surface, while a round stone may better suit round pizzas. Weight matters when you need to move or store the stone: the Unicook weighs about 6.8 pounds, and the Pellethead weighs about 10 pounds. The Hans Grill includes a peel, the Pit Boss has built-in lift handles, and the Unicook comes with a scraper.
Plan for Care and Thermal Changes
Pizza stones can stain with use, and staining alone does not necessarily mean a stone has stopped working. Follow the care instructions for your specific model. For the Unicook, the maker advises letting the stone cool before scraping, cleaning with warm water, and avoiding detergent. As a general precaution with stone bakeware, avoid sudden temperature changes and follow the manufacturer’s instructions for heating and cooling.
Check Compatibility and Availability
Some stones are more specialized than others. The Pellethead is made for select Green Mountain Grills models, while the other options are described for broader grill or oven use. Confirm the exact fit and check the product listing before purchasing, especially for the Pit Boss and DcYourHome, which are marked unavailable in the supplied product data.
Frequently Asked Questions
Can you use a pizza stone on a pellet grill?
The products in this comparison are described for grill use, but you should confirm that a stone fits your specific pellet grill and follow its instructions. Leave adequate space around the stone and make sure the grill lid closes properly.
Should a pizza stone be preheated?
The Unicook instructions recommend preheating the stone for even cooking. For other models, follow the maker’s directions. Avoid sudden temperature changes, which can put stress on stone bakeware.
What size pizza stone should I buy?
Choose a stone that fits your grill with room around the edges and suits the pizzas you plan to make. The Unicook is specified for personal pizzas up to 11 inches; measure your grill and check any size guidance for other models.
Do pizza stones need to be seasoned?
The Pit Boss description says no seasoning is needed. Care instructions can differ by product, so check the directions for the stone you choose rather than seasoning it by default.
How should you clean a pizza stone?
Follow the specific product instructions. For the Unicook, let the stone cool, scrape off residue, and clean it with warm water without detergent. Stains may develop with normal use and do not always affect the stone’s function.
Is a round or rectangular stone better for a pellet grill?
Neither shape is best for every grill. A round stone suits round pizzas, while a rectangular one may use a wide cooking surface more efficiently. Your grill’s dimensions and the size of your pizza should guide the choice.
Which pizza stone is the best fit for a Green Mountain Grills model?
The Pellethead stone is specifically listed for Daniel Boone, Jim Bowie, Ledge, and Peak models. Confirm your grill model and compare the stone’s approximately 15¾ x 13¾-inch measurements with the available cooking area before ordering.
Final Recommendation
For a versatile stone-and-peel set, the Hans Grill is a practical starting point, especially if its 15 x 12-inch size and 1,112°F listed heat limit suit your grill. If you want a more compact option with a higher stated heat rating and do not need a large pizza surface, consider the Unicook. Owners of compatible Green Mountain Grills models should check the Pellethead’s fit, while shoppers considering the two products marked unavailable should verify their listings before making a decision.