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Build a custom outdoor fire feature with a complete DIY fire pit kit. Explore natural gas and propane kits in round and square configurations with durable stainless steel burners, burner pans and reliable ignition systems. Compare sizes, fuel types and controls to find the right setup for your project.
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A complete kit includes the burner ring or linear burner, a stainless-steel burner pan sized to your fire pit opening, ignition (match-light, key-valve, or electronic spark depending on the system), a gas valve, and the flex line to connect to your fuel source. Higher-end kits add an emergency shutoff and a CSA-listed regulator.
Choose the kit by opening size, fuel type (natural gas or propane), and ignition style. Match-light kits are simplest and cheapest; key-valve adds a recessed safety valve at the patio edge; electronic spark is the most convenient and what we recommend for clients who'll use the fire pit weekly.
Most clients build the surround out of stacked stone, brick, or pavers — 36-48 inches outside diameter is the standard, with a 24-30 inch interior opening for the burner. The burner pan sits on a layer of fire-safe insulating board or pea gravel; the cap stones go around the pan with a small reveal so the flame is centered.
Allow for an access hatch in the side of the enclosure if you're using a key valve or want to reach the regulator. For propane, leave a hidden compartment or external location for the 20 lb tank.
Burner diameter should be 8-12 inches smaller than the interior opening of your enclosure — that gap is what shows fire glass or lava rock around the flame and prevents direct contact with the stone. A 24" burner needs a 32-36" opening; a 30" burner needs a 38-42" opening.
BTU rating is set by the burner size: a 24" burner runs ~65k BTUs, a 30" runs ~90k, a 36" runs ~125k. Higher BTU = taller flame and more heat, but also faster propane consumption.