Filling the Fire Pit Interior

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Super Easy Fire Pit build - DIY How to build a patio firepit - Little Known Tips, design & ideas

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What happens here

After the stone walls are completed, the interior of the fire pit is filled with heat-resistant stone. The presenter advises against using river rock, which can retain moisture and explode when heated. Instead, use granite or lava rock for the interior. Workers are shown transporting 57 stone (a type of granite gravel) in a wheelbarrow and shoveling it into the fire pit. This gravel layer serves to core-fill the blocks, add stability, and create a dry surface for fires by allowing rainwater to percolate through to the ground below.

Goal: Fill the fire pit base with suitable, heat-resistant stone for safety and drainage.

Tools and materials

Rake — Leveling the stone at the bottom of the fire pit
Shovel — Scooping and distributing the 57 stone into the fire pit
Wheelbarrow — Transporting the 57 stone
57 Stone — Filling the fire pit interior for drainage and heat resistance

What they say

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right there. It's time for your tip of the day. Hope I didn't break that. If you're going to line the bottom of your fire pit with stone, use a granite or a lava rock. If you use a river rock, it retains moisture inside and the first time you heat it up, it can explode. The bottom of this ring gets filled. This is a granite stone. This is a granite stone. So, we can use this two purposes. We can core fill the columns and walls. That's right. And we can use it to fill the bottom of this fire pit. So as he lays the subsequent courses, he makes sure that he does not get an even bond on every block. He wants to intentionally offset that so that as he goes around, that bond is never lining up with each other. Structurally, this wouldn't make much of a difference, but I just don't want you to look like an amateur or a hack. Okay, so the last layer of brick is going in place. We're going to fill the bottom of this with 57 stone. But why? Well, we want to make sure that we have a dry surface to start our fires. If it's just rain the day before or if you're going to come out and you may have a wet surface. Put this layer of 57 stone. It allows us to always have a dry surface. As water comes in, it'll percolate down to the bottom, leaving you a nice dry surface on the top. I want also point out something about the fire ring. Can we rotate that?

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