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Gas Fire Pit Installation Guide: What to Know Before You Set Up Your Fire Table

Gas Fire Pit Installation Guide: What to Know Before You Set Up Your Fire Table

A fire table looks simple to set up — roll it into place, hook up a tank, light it. And for most Elementi tables, that's not far off. But the handful of decisions you make before the first flame — where it sits, what it sits on, how it's fueled, how much room it needs — are the ones that determine whether you end up with a fire feature you use every week or one that gets quietly parked in the corner of the patio.

A modern outdoor fire pit table with a black tabletop, lava rock fill, visible flames, clear glass wind guard, and a bowl of fresh strawberries on a patio with a garden background.

We've been building fire tables since 2019, and the questions our support team fields most often aren't about the tables themselves — they're about the fifteen minutes of planning that happens before the box is even opened. This guide walks through that planning process, using real specs from across our own line rather than generic advice that could apply to any fire pit on the market.

Important: Always follow the installation manual for your specific model, along with applicable local fire, building, and gas codes. Any natural gas line installation, modification, or conversion work should be handled by a licensed professional.

How a Gas Fire Table Actually Works

Strip away the finish and every gas fire table runs on the same basic path: fuel source → hose or line connection → burner → ignition → flame, with fire media (lava rock, glass, or ceramic logs) sitting on top to hide the burner pan and diffuse the heat.

Where a custom-built, poured-in-place fire pit requires you to source and assemble each of those pieces separately — burner, burner pan, gas valve, ignition, ventilation — a complete fire table like our Lunar Bowl or Manchester arrives with the burner system, ignition, and safety shut-off already built in and tested at the factory. Your job shifts from "build a fire feature" to "place it correctly and connect the fuel." That's a meaningfully shorter list, but it's not a zero-effort one.

A round concrete fire pit bowl with black river rocks and bright orange flames, set on a stone patio in front of a landscaped pond with rocks and greenery.

1. Start With the Space, Not the Table

It's tempting to pick a fire table first and figure out where it goes later. Flip that order.

Walk the area where you're considering placing it and take stock of:

  • Existing furniture and how people currently move through the space
  • Nearby walls, railings, or fences
  • Anything overhead — eaves, pergola beams, umbrellas
  • Which direction the wind typically comes from
  • Where your propane tank or gas line will sit
  • Local clearance and permitting rules for your municipality

A number that trips people up constantly: our 42" round Lunar Bowl and a 40" square Elementi Plus Uluru occupy roughly the same footprint on paper, but neither one is meant to be shoehorned into a space sized only for the table itself. Add seating and a walking buffer around the perimeter, and a 40–42" table realistically needs a 9–10 ft. diameter zone to feel comfortable rather than cramped — especially with a sectional or L-shaped seating arrangement, where a rectangular table (like our Riviera) needs extra clearance on the long sides for people to get in and out of corner seats.

2. Confirm the Surface Can Take the Weight

Every Elementi table is rated for placement on a stable, level, non-combustible surface — concrete, pavers, or natural stone. What catches people off guard is the weight difference between materials.

A round outdoor fire pit table made from a natural wood log sits on a patterned rug on a wooden deck, styled with cushions, poufs, side tables, and champagne glasses.

A cast-concrete Manchester table sits around the same range as our lighter GFRC pieces, but step up to the Elementi Plus line and the weight climbs fast: the Elementi Plus Uluru comes in at roughly 206 lbs, and the Lunar Bowl at about 147 lbs. That's not something a raised wood deck or a loose gravel bed should be expected to handle without a second thought about load distribution and long-term settling.

Check for standing water, too. Concrete and GFRC handle rain fine, but a low spot where water pools around the base isn't something you want to discover after the first storm. Follow the drainage guidance in your table's manual rather than drilling your own weep holes — GFRC is engineered as a sealed system, and modifying it can void the warranty.

3. Pick the Right Fuel Type for Your Setup

Every current Elementi and Elementi Plus table ships in either a liquid propane (LP) or natural gas (NG) configuration — they're built and rated differently, down to the item number (our Lunar Bowl, for example, splits into OFG101LP and OFG101NG).

Elementi outdoor round fire pit table with a gray concrete bowl, glass wind guard, and visible flames over dark decorative stones, shown on a white background.

Propane is the simpler path if you don't have a gas line nearby. The Lunar Bowl and most of our round and square tables are built to run off a standard 20 lb. propane tank, connected through the supplied hose and quick-connect fitting. Some models, like the Metropolis, come with a pre-attached 10-ft., 3/8" hose terminating in a ½" brass quick-connect, which is designed specifically for a natural gas hookup rather than a tank — so it's worth checking your model's included hardware before assuming either fuel type will "just work."

Natural gas is worth considering for a permanent installation where a line is already run or can be added by a licensed plumber. Don't assume a propane table can be field-converted — Elementi's LP-to-NG conversion kit is rated for specific models up to 45,000 BTUs, and the kit instructions explicitly call for installation by a qualified gas technician, not a DIY swap of the orifice.

Elementi dark gray cylindrical outdoor fire pit table with active orange flames, set on a patio next to a gray propane tank and a matching side table in a backyard patio setting.

4. Get the Clearances Right for Your Specific Model

This is the step people most often skip, and it's the one with the most real consequence.

There's no single clearance number that covers every Elementi table, because BTU output varies by line. Our original Elementi series runs at 45,000 BTUs (Manchester, Lunar Bowl, Metropolis); step up to Elementi Plus and you're at 60,000 BTUs (Uluru and the rest of the 2022 Plus lineup) — a roughly 33% jump in heat output that changes how far the table needs to sit from walls, railings, fences, and plantings.

Pull the clearance spec from your specific model's manual rather than reusing a number from a lower-BTU table you saw somewhere else, and check it against local fire code, since some jurisdictions set their own minimums regardless of what the manufacturer allows.

5. Think Twice About Covered Patios

"Can I put this under my covered patio?" is the single most common pre-purchase question our team gets, and the honest answer is: check the model's rated overhead clearance before you assume yes.

Modern outdoor patio furniture set including Elementi Newport Outdoor Aluminum 3-Seat Sofa, and a black fire pit table, arranged under a large beige patio umbrella on a wooden deck.

A roof, pergola, retractable awning, or umbrella overhead changes two things at once — the vertical clearance the flame needs, and the airflow available to carry heat and combustion byproducts away. A covered nook that traps still air is a different environment than an open patio, even if the floor space looks identical. If you're set on a covered location, confirm both the manufacturer's overhead clearance figure and your local code's requirements before installation, not after.

6. Read Your Yard's Wind Pattern

Wind doesn't just push the flame around — it changes whether the space around the table is comfortable to sit in at all.

Spend an evening in the spot you're considering before committing. Notice whether the breeze tends to blow across the seating area, whether a fence or wall creates a wind tunnel effect at certain hours, or whether the space that felt sheltered at noon turns gusty once the sun goes down. If wind is a persistent issue, a windscreen designed for your specific table (we make one for the Lunar Bowl, for instance) helps stabilize the flame — but it's an accessory to solve a wind problem, not a substitute for choosing a better-sheltered spot in the first place.

7. Know What You Can Do Yourself vs. What Needs a Pro

Elementi tables are built so most of the setup is genuinely homeowner-friendly:

  • Choosing and measuring the location
  • Preparing a level, non-combustible surface
  • Positioning and leveling the table
  • Completing whatever assembly your model requires
  • Adding the included lava rock or approved fire glass
  • Connecting to a standard 20 lb. propane tank per the manual

Where we draw a hard line — and where our manuals do too — is anything involving a natural gas line: new line installation, extending an existing line, fuel conversion, pressure adjustment, or leak testing on a hard-piped connection. That work should go to a licensed gas technician or plumber, both because it's regulated in most areas and because it's the step most likely to go wrong silently.

8. Match the Gas Supply to the BTU Demand

If you're running natural gas, the line has to be sized for the table's draw, not just "big enough to carry gas." A 60,000 BTU Elementi Plus table asks more of a gas line than a 45,000 BTU Manchester does, and undersized lines are one of the most common causes of a flame that starts strong and then weakens as other appliances pull from the same line. This is squarely professional-installer territory — pressure, line diameter, and run length all factor in, and it's not something to eyeball.

Propane setups sidestep most of this: a standard 20 lb. tank and the hose that ships with the table are matched to the burner's draw already, which is part of why propane is the lower-friction option for a first fire table.

9. Don't Skip Ventilation Just Because It's Not a Custom Build

Propane is heavier than air. If it escapes in an enclosed space — a fully skirted table base with poor airflow, or a fire feature tucked into a tight, walled-in nook — it can pool at ground level instead of dispersing. That's the reason our table bases are designed with the ventilation they have, and it's also the reason you shouldn't add skirting, enclosures, or decorative panels around the base that aren't specifically approved for your model. If your setup calls for an enclosure, follow the ventilation spec in the manual to the letter rather than improvising airflow.

10. Use the Media Your Model Actually Calls For

Lava rock isn't just decorative — it sits directly over the burner and affects how evenly the flame distributes.

Elementi Pro fire pit with a cream-colored ceramic bowl filled with gray lava rocks, shown against a white background.

Our tables ship with a specific weight of lava rock (the Lunar Bowl includes roughly 13–26 lbs. depending on version) calibrated to that burner pan. Swap to fire glass and the fill weight changes — the Lunar Bowl needs about 31 lbs. of glass to reach the same coverage the included lava rock provides, because glass and rock don't sit at the same density. Using the wrong quantity, or a media type the manual doesn't list as approved for your model, can leave burner ports partially covered or exposed in ways that affect combustion. When in doubt, check the media spec for your exact model rather than assuming rock and glass are interchangeable one-for-one.

11. Test the System Before You Host Anyone

Before your fire table becomes the centerpiece of a dinner outside, run it through a check on its own:

  • Connection — confirm the hose or line connection matches the manual's routing and torque guidance
  • Leak test — soap-and-water test on every fitting before first ignition, and again any time a connection is disturbed
  • Ignition — the push-button spark should fire consistently, not on the third or fourth try
  • Flame pattern — even blue flame across the burner ring, no dramatic yellow tipping or dead spots
  • Clearance check — furniture, cushions, and plantings actually sitting outside the required clearance, not just close to it

If you smell gas, see an irregular flame, or suspect a leak at any point, shut off the gas supply and don't relight until the issue is resolved. That's not a step to work around.

Common Installation Mistakes Worth Avoiding

  • Picking the spot before checking clearance. A table that fits the footprint doesn't automatically fit the safety zone around it.
  • Assuming every model in the line has the same specs. A 45,000 BTU original-line table and a 60,000 BTU Elementi Plus table don't share a clearance number, weight, or media fill.
  • Treating gas-line work as a weekend project. Line sizing, pressure, and leak testing are professional-installer tasks for a reason.
  • Adding unapproved enclosures or skirting. It can trap gas instead of letting it disperse.
  • Guessing at media fill weight. Rock and glass fill differently — check the number for your model.
  • Ignoring wind until the first cold evening. A spot that looks sheltered at 2 p.m. can be a wind tunnel at 8.
  • Skipping the leak test because ignition worked. A flame lighting successfully isn't the same as a fitting being sealed.
  • Opening the manual after assembly starts. It's meant to be the first document you read, not the one you reach for when something doesn't fit.

Installation Checklist

Location ☐ Stable, non-combustible surface confirmed ☐ Seating and walking clearance measured, not just table footprint ☐ Required side clearance met for your model's BTU rating ☐ Overhead clearance confirmed if under any structure ☐ Local code and permitting requirements checked

Fuel ☐ Correct fuel type confirmed against the model's item number ☐ Propane tank size matches spec (typically 20 lb.) or NG line sized for BTU draw ☐ Any conversion work scheduled with a licensed gas technician

Setup ☐ Assembly completed per the model's manual ☐ Correct fire media type and fill weight added ☐ No unapproved skirting or enclosures blocking ventilation

Before Lighting ☐ All fittings leak-tested ☐ Ignition tested for consistent spark ☐ Flame pattern checked for even coverage ☐ Clearance zone clear of furniture and plants

A Note on Decks and Patios

Concrete and paver patios are usually the easiest surface to work with — they're already rated for outdoor loads and don't raise the same questions a wood deck does.

Decks need a closer look. A 150–200+ lb. fire table concentrates its weight on a smaller footprint than a dining set does, so it's worth confirming the deck's load rating, not just assuming "it's outdoor furniture, it'll be fine." Combustible decking also brings the clearance conversation back into play even though there's no wood being burned — radiant heat from a 45,000–60,000 BTU burner is still heat. Check your specific model's deck-use guidance before installing there.

Frequently Asked Questions

Can I install a gas fire table myself? Placement, surface prep, assembly, and connecting to a standard propane tank are typically homeowner-friendly. Natural gas line work, conversions, and leak testing should go to a licensed professional.

Do Elementi fire tables need ventilation? Yes — the base is designed with the airflow the burner needs. Don't add enclosures or skirting that aren't specifically approved for your model, since propane is heavier than air and can collect in a sealed space.

Can I convert a propane table to natural gas? Only with a compatible conversion kit rated for your model and BTU output, installed by a qualified gas technician — not as a DIY parts swap.

How much fire glass do I need instead of lava rock? It varies by model and is usually more than the lava rock fill by weight — the Lunar Bowl, for example, needs about 31 lbs. of glass versus roughly 13–26 lbs. of the included lava rock, depending on version. Check your model's spec before buying.

Is a 20 lb. propane tank enough? For most of our propane-configured tables, yes — they're built around that tank size. Larger or higher-BTU tables may draw down a tank faster, so check the run-time spec for your model if you're planning long evenings.

Before You Light It

None of the steps above are complicated on their own — measure the space, confirm the surface, match the fuel to your setup, respect the clearance for your specific model's BTU output, and test before you use it for real. The one thing that ties them together is planning around your table's actual specs rather than a generic number that happened to apply to a different fire pit.

Explore the full Elementi Fire Tables collection to compare fuel configurations, BTU output, and dimensions across the line before you decide where yours is going to live.