Fire Pit Lava Rocks Explode
Shop our selection of decorative fire rocks you are sure to find the perfect addition to your fire pit. Many rocks can explode in fire. The actual fire pit is recessed below the patio and lined with fire brick. Some rock types to avoid in your fire pit are river rocks pumice sandstone limestone and pebbles. Fire pit rocks look beautiful due to the shape color rendering and game of firelight Sandstone, river rocks, natural rocks, and gravel are not ideal fill for fire pits because they are more likely to crack or explode under high heat.. Rocks can absorb a lot of water, especially river rocks, and rocks that get too hot near a fire can (and sometimes do) explode. Even wet lava rock can explode.



Lava rocks can explode if the fire pit is used while they are wet. The rocks are allowed to get wet, but it is critical that they thoroughly dry before you light the fire pit. Because lava rocks are porous, they can suck up water like a sponge. If they are heated, the water inside them turns to steam and expands, cracking the rocks open. Lava rocks can explode when they are wet. To cure your rocks for the second time, you should place them in low heat (in the fire pit) for about 15 minutes before turning up the heat. This low heat can help dry the rocks to prevent the rocks from exploding. 6. Do Not Use Lava Rocks Outside in the Fall



Regular glass can heat up and explode. If you purchase a fire pit table that includes lava rocks, you may have no need to switch to glass. If you like the look of lava rock, yet you want to enjoy more heat, buy smaller rocks. Yes, lova comes in a variety of shapes and sizes - and colors for that matter. Remember, smaller pieces disperse heat more evenly. Should You Switch to Fire Glass Why do lava rocks explode? Lava is a porous rock with lots of tiny holes, like a sponge. Water gets inside, and when it's heated up, steam forms. This steam causes the rock to expand and, well, pop. You can prevent this by protecting your fire pit from the rain, and by drying out any wet rocks before you light the burner.
There are a few easy things to do to stop lava rocks from exploding in your fire pit. Step 1 - Cure new lava rocks. When you get a new propane or gas fire pit that includes lava rocks, it is a good idea to cure them first. Step 2 - Cover your fire pit when not in use. Step 3 - Dry out lava rocks if they get wet. Technically, all rocks could explode in a fire given the right conditions, but the reality is that this is a much more common occurrence with some types than others. Since exploding rocks are highly dangerous, it's important to only line firepits with the right types of stones. Video of the Day Sorry, the video player failed to load.














Lava rocks can explode if the fire pit is used while they are wet. The rocks are allowed to get wet, but it is critical that they thoroughly dry before you light the fire pit. Because lava rocks are porous, they can suck up water like a sponge. If they are heated, the water inside them turns to steam and expands, cracking the rocks open.. Lava rocks can explode when they are wet. To cure your rocks for the second time, you should place them in low heat (in the fire pit) for about 15 minutes before turning up the heat. This low heat can help dry the rocks to prevent the rocks from exploding. 6. Do Not Use Lava Rocks Outside in the Fall