Can I use lava rocks in my fire pit?

Some materials like hard rock, gravel, or sand weren’t meant to reach high temperatures and can spark and explode if your fire gets too hot. Instead, use lava rocks for your fire pit or lava glass beads as a filler for your fire pit. They are a safe way to create drainage and make your fire pit look nice.

Can you use lava rocks in a wood burning fire pit?

Fire Pit Safety

If burning wood, place a layer of lava rock at least 4-5 inches deep. Then place your firewood on the lava rock. For gas fires, fill the fire pit with enough lava rock to at least cover the fire ring. Do not use rock or gravel of any kind in place of lava rock; it can potentially explode when heated.

How do you use lava rocks in a non gas fire pit?

We suggest an inch layer of sand or pea gravel on the bottom of the fire pit for a sturdy foundation. Next, take your lava rocks and place around the fire pit and burner so it fills just enough rock to cover the burner. You are now ready to lite your firepit.

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Is decorative lava rock good for fire pits?

Natural volcanic lava rocks are excellent base layers and cost-effective fillers for gas fire pits and fireplaces. Fire glass, ceramic balls and other decorative fire pit products can be added on top of the fire rock for effect.

Do lava rocks make fire pit hotter?

Lava rocks disperse the flame in different directions. They heat up and start radiating heat. A gas fire pit using lava rocks will radiate heat more like a wood fire than a gas burner without lava rocks.

Where do lava rocks go in a fire pit?

It’s not uncommon to use fire pit lava rock as the foundation layer in the base of the burner pan, filled to a height slightly above the burner element. A thin layer of fire glass is then placed on top for a more decorative look.

What happens if lava rocks get wet?

Lava rocks are porous like a sponge. If the rocks are wet, water can get trapped inside of them. When you heat the lava rock up, the water turns to steam. … This expansion of the water can break open the lava rock making it explode.

What can I do with old lava rocks?

3 Uses for Lava Rock – Or Just Rent a Dumpster!

  1. Build a fire pit: Many DIYers suggest lava rock can be used when building an outdoor firepit. …
  2. Use lava rock for drainage in a flowerpot. …
  3. Hack a gas grill and make it feel like charcoal.
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