What to Use in the Bottom of a Fire
However, coming at a price, fire bricks can also elevate the aesthetics of your fire pit. Price: $3.75 per piece (when building a regular 36-inch fire pit, it needs around 80 pieces of bricks, so around $300) Availability: Easily accessible; Risk: Low (safe to use) Heat Resistance: High (fire bricks are designed to withstand extreme heat)