DIY Project – Concrete Fire Pit

Building a concrete fire pit is actually a pretty simple DIY project. It requires only very basic skills and tools, along with a bit of heavy lifting. The beauty of it is that you can customize your design, making it as large or small as you want. It is not a costly project and you should get plenty of use out of it.

Here’s the material list for my 4’ X 4’ concrete fire pit:

  • 8 2X10X8’ for walls
  • 4 2X4X8’ to tie 2X10s together
  • 1 box of 50 4” large-head GRK exterior screws, GRK R4 or similar
  • 2 lbs. of construction-grade 2-½” screws to attach wall supports
  • 20 50-lb. bags QUIKRETE all-purpose gravel
  • 20 60-lb. bags QUIKRETE Concrete Mix
  • Steel heat shield insert (See “The final step” below)
  • Steel rebar, sixteen 24” pieces
  • One sheet of steel remesh, 42” X 84”
  • Wire ties for the rebar
  • 2’ piece of 2” or 3” PVC pipe
  • Lava rock
  • And here’s the tool list:

  • Shovel
  • Tape measure
  • Level
  • Rake
  • Tamper
  • Circular or miter saw
  • Drill driver/impact driver
  • Hole saw slightly larger than your piece of PVC
  • Portable cement mixer or wheelbarrow
  • Trowel
  • Wood or steel float
  • Pry bar
  • Hammer
  • Once you’ve selected your shovel-ready build site, the first step is to mark out the dig zone. Now get digging!


  • Try to find as level a spot as possible, to minimize any regrading, and provide for comfortable seating around the fire.
  • Most of the project can be done solo, but some portions definitely require a helper.
  • Your concrete fire pit will require two forms to hold the concrete while it sets: An inner and an outer.

  • Tamp down the soil well, pack it hard and level. Start hoisting bags and fill up the hole. Depending on the depth, you will need to estimate how many bags per square foot. Rake it out, grab your tamper again, and flatten it out and compress it as much as you can.

    Original Source: Concrete Fire Pit DIY Project – Quikrete Makes It Easy-ish

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