How do I safely extinguish the fire?
Documented on the Digging a small underground firepit for safer build
Published March 28, 2026
Let the fire burn down, spread out the coals with a shovel, and douse with water or cover with sand until completely cool.
Full Answer
Let the fire burn down, spread out the coals with a shovel, and douse with water or cover with sand until completely cool. Never leave a smoldering fire unattended and always ensure embers are fully out before leaving the site.
Documented In This Build
Related Knowledge
How deep should the pit be?Can I use regular bricks or pavers for the lining?What torque should I use on the blade bolt?What maintenance is required to keep the runtime optimal?What were the most critical problems found on the test drive?Can these issues be fixed cheaply or will it cost a lot?How do I know if the leak is from the oil pump or the tank?Can I fix the leak without buying a new pump?
Related Parts
Steel fire pit ring
$50
Fire bricks (set, approx. 6–10)
$60
Crushed gravel (½ yard or bagged equivalent)
$25
Play sand / coarse sand (1–2 bags)
$5
Landscape fabric
$10
Grate / cooking grate (optional)
$25
Related Tools
Tape measure
Level
Shovel (square and/or round)
Pick mattock / pickaxe
Posthole digger / clamshell digger
Wheelbarrow
Hand tamper / plate tamper
Rake
Work gloves (heat-resistant recommended)
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