How to Build a Gas Fire Pit with Granite! Quick & Easy DIY

How to Build Your Gas Fire Pit

Before you get started, select a desirable and safe location for your firepit away from buildings, tree branches, and/or a wooden gazebo or pergola, and then proceed with the following steps.

Gas Fire Pit

Step 1


Step 2


Step 3


Step 4


Step 5


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Clean granite pieces with water and a nylon brush, if necessary.

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Lay the first row of pieces around a gas feed and away from buildings, tree branches, and/or a wooden gazebo or pergola. Ensure to install this row on a level surface.

first row gas line 3
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Dry-stack or adhere the remaining granite pieces by staggering the joints.

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For the second row, replace two full granite pieces with the half-sized ones to create ventilation gaps on opposite sides of the fire pit.

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Cut and secure wire mesh to the inside wall of these gaps so rodents don’t make your fire pit home.

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Check for vertical plumb. If leveling is needed, apply a teaspoon of sand with exterior grade silicone, PL 620 Granite/Marble, or PL Premium Constructive Adhesive between rows.

second row gaps 1
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Determine the location of the control panel, preferably selecting the least visible side of the fire pit.

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Omit the granite pieces by using those numbered to create space for the control panel.

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Drill four holes into the exterior granite base in order to screw and, adhere, if necessary, the cover plate.

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Attach the sparker and control valve to the plate. Ask a certified Gas Technician to connect the flex hose to the valve as per the gas burner instructions.

control panel 3
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Ensure the assembled base is level and plumb. Inside this base, insert the steel burner bracket.

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Its flange can rest, dependent on personal preference, either above or under regular-sized top caps.

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If you purchased oversized caps, secure them with adhesive under the flange for stability and safety.

inserts 1
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Ask a certified Gas Technician to connect the burner pan to the supply line. Add glass beads or lava rocks.

final 3

Shapes & Pieces per Row

Round 35

10 pieces per row

Round 48

13 pieces per row

Square 35

12 pieces per row

Square 45

16 pieces per row

Read Safety Document

Download PDF Instructions

Burner Installation

Propane to Natural Gas Conversion