For propane fire pits, ventilation is crucial. Without it, the propane gas, which is heavier than air, can sink to the bottom of the cabinet and become trapped. ... Proper ventilation in any fire pit, propane or natural gas, is necessary.

Do fire pits need air vents?

You do need to have vent holes to keep most types of fire pits going. A fire won't be able to keep going unless it has the right oxygen flow, and air holes provide this when using standard fire pit designs. Even smokeless fire pits that are placed in the ground still use oxygen to keep things going.

What do you put in the bottom of a wood burning fire pit?

What do you put in the bottom of a fire pit? You'll want to start with a layer of sand at the bottom of the pit, and then top the sand with gravel, lava rocks, fire pit glass, paving stones or even bricks for your fire pit. Alternatively, you can simply use dirt.