The Outdoor GreatRoom Company Lava Rocks for Gas Fire Pits

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  • The Outdoor GreatRoom Company Authorized Retailer

    Enhance the allure of your gas fire pit with Lava Rocks, adding an earthy and captivating appeal. Select black or tumbled lava rocks to achieve your desired look.

    Black Lava Rocks are sold in 20 lb bags, while Tumbled Lava Rocks come in 6 lb bags. Each Tumbled Lava Rock varies in size from 0.75" to 1.5" inches. Over time, they will lighten and develop a more grey hue as they release moisture in the gas fire.

    Transform your gas fire pit with the elegance of these beautiful lava rocks. Order now and take advantage of free shipping!

    Key Features:

    • Lava Rocks enhance the appearance of your gas fire pit.
    • Available in Black or Tumbled Lava Rocks to get the look you want.
    • A bag of Black Lava Rocks weighs 20 lbs, while the Tumbled ones weigh 6 lbs.


    Give your fire pit a traditional look with a log set.

    For most Outdoor GreatRoom Company Burners, one bag of lava rocks is sufficient. However, for longer burners like CF12120 and CF1242-L, we recommend using two bags.
    For a CF-12 burner, one bag of crushed lava rocks is recommended.

    For CF-20 or CF-1224 burners, we suggest using two bags. For a CF-1242 burner, three bags are recommended. For larger burners, add more bags.

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  • There are currently no warnings.

    This product is safe to use according to the manufacturer's instructions.