Can I Use Landscape Lava Rocks In My Gas Grill?


Lava rock is suitable for use in all indoor and outdoor propane or natural gas firepits and can also be used indoors and outdoors in all your landscaping and special project needs. … Layer in the lava rocks, cover them over with the grates, and fire up the grill.


You should not use lava rocks in your grill if it is not designed for it. It will not help and will most likely mess up the air flow and drippings diversion system that was designed into your grill. BBQ flavor comes from wood smoke. You cannot get it from lava rocks or from a gas flame which brings heat but no extra flavor to the party.

Lockdown Gas BBQ to Lava Rock conversion

Setup Nexgrill Gas Grill to Use Lava Rocks

Coverting Grill to Lava Rock

Frequently Asked Questions

Can you use lava rocks in a gas grill?

Lava rocks hold and reflect heat from a propane grill for barbecuing food. The Lava rocks now used with a gas grill because of their ability to heat very fast and radiate for even grilling.

Why do gas grills not use lava rocks anymore?

Since lava rocks are porous by nature, there's no way to get all of those fat deposits off the surface. After a while, this buildup will attract harmful bacteria, thereby increasing the risk of food poisoning every time you fire up the grill.

How long do lava rocks last in a grill?

Lava rocks will hold heat for 20 minutes to an hour depending on how hot they were. Lava rocks do not hold heat as long as lava glass or lava stone which can stay hot much longer. They still hold heat pretty well.

Is it safe to cook on lava rocks?

Yes, it is completely safe to cook over lava rocks. They retain heat very well and give your food an amazing smoky flavor. However, be sure to use a grill grate to hold your food. Putting the food directly on the stones isn't recommended because some pieces of the lava rock may end up in your food.

Can you use lava rocks on a Weber grill?

Using lava rocks/ceramic briquettes in a Weber gas grill will void the warranty on the unit, and could present safety issues. Instead of lava rocks/ceramic briquettes, we came up with what we call Flavorizer Bars, shown below.

When to remove lava rocks from gas grill?

Remove the cooking grate and turn the lava rocks upside down (when the grill has cooled) after four to five grilling sessions. This helps clean the rocks and wear them evenly for longer use.

How big of space do you need for lava rocks on a gas grill?

Use Them In Gas Grills. While a 1-inch distance between the burners and the rocks is recommended, you can go up to 2 inches apart. You need at least 3 to 4 inches of space between the top of your lava rocks and your cooking grill. In all cases, you need to have space for air to circulate between the rocks, the heat source and the cooking grill.

What's the best way to use lava rocks?

Arrange food on the cooking grate and grill according to the recommended time listed on the recipe. Remove the cooked food, then turn the grill burners up to high to burn off grease and spilled food on the lava rocks. Leave the heat on for 10 minutes; this cleans the rocks for the next grilling session.

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