74+ How Do You Dig A Fire Pit? Design. Some corner of the yard where you envision friends sitting. Do factor in return on investment when weighing building costs. For a square or rectangle fire pit, temporarily lay out the first layer of concrete blocks for your design on the ground and check the layout for square. If you're only putting in a diy fire pit with no seating area, you'll only need to dig out the area where your fire pit will be seated. You want to build your pit at least 10 feet from any building structures, trees, fences, or other obstructions.
After you get your hole dug.
Shovel in 4 inches of gravel and 4 inches of sand. If the circle is more than an inch or two uneven, remove the higher bricks and dig out the dirt underneath until they're level with the rest. Tie one end of the string or twine to the stake and measure how wide you want your circle to be. Stake out the shape and size of your diy fire pit. Make the hole round by hammering a stake into the center of your fire pit area. Use a shovel to outline the perimeter and then remove the blocks. With the basic structure complete, you can now focus on a few finishing touches. For a square or rectangle fire pit, temporarily lay out the first layer of concrete blocks for your design on the ground and check the layout for square. It depends on how big of a fire you plan to build, you don't want too much over the top of the blocks.
