Oval GFRC Concrete Natural Gas or Propane Fire Pit Table 54-Inch - Studio Nisho Nyx
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Oval GFRC Concrete Natural Gas or Propane Fire Pit Table 54-Inch - Studio Nisho Nyx
Product Documents
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Finish: Handcrafted GFRC concrete in Birch, Smoke, Carbon, or Onyx. Each concrete finish has natural color and texture variation.
Width: 36 inches; oval footprint is 54 inches long by 36 inches wide.

An Organic Oval Designed Around an Offset Flame
Nyx softens rectilinear patios with a flowing 54-by-36-inch silhouette. Its deliberately offset burner leaves a sculpted sweep of concrete beside the flame and gives the feature a distinct view from every angle.
- Up to 190,000 BTU: Warming Trends Crossfire brass burner
- 54 × 36 × 16 inches: organic oval form with an offset burner
- Hand-cast GFRC: architectural concrete with natural finish variation
- Natural gas configuration: online variants are natural gas; contact us to confirm a liquid propane build

Asymmetry That Makes the Fire Feel Designed
Moving the burner away from the center creates two experiences in one piece: an active flame zone and a broad concrete sweep that visually balances it.
The organic oval works especially well where a square or circle would feel too predictable, and its 16-inch height gives Nyx a slightly taller presence than the rest of the Studio Nisho collection.
- Made to order: approximately 6–8 weeks
- Final sale: verify size, finish, fuel, access, and installation requirements before ordering
- Curbside freight: plan the path and help needed for final placement
Nyx Dimensions
Map the complete vessel footprint together with seating depth, circulation, published burner clearances, gas routing, and delivery access before ordering.
One Sculptural Footprint
A flowing oval for seating arrangements that need softness, movement, and a fire feature with a clear visual direction.

Curved Concrete, Cast and Finished by Hand
Nyx is hand-cast from glass fiber reinforced concrete in Denver, Colorado. Its continuous curves and asymmetric form make small changes in texture and tone especially visible—and intentionally individual.
The offset Warming Trends Crossfire brass burner is fully adjustable by key valve after a qualified professional completes the fuel connection.
Offset Flame
A deliberate asymmetric composition rather than a centered fire zone.
Brass Burner
Crossfire burner with manufacturer-rated output up to 190,000 BTU.
Complete Package
Burner, plate, valve, flex hose, lava rock, cover, and leveling feet are included.
Four Tones for the Surrounding Architecture
Finish samples and screens can display color differently. Natural variation in hand-finished concrete is expected.
Birch
A warm light neutral for pale stone, limestone, and natural wood palettes.
Smoke
A balanced mid-grey suited to contemporary hardscapes.
Carbon
A deeper charcoal that adds visual weight and contrast around the flame.
Onyx
A near-black option for high-contrast modern installations.
Nyx at a Glance
| Specification | Details |
|---|---|
| Overall dimensions | 54" L × 36" W × 16" H |
| Shape | Organic oval with offset burner placement |
| Vessel material | Hand-cast glass fiber reinforced concrete (GFRC) |
| Burner | Warming Trends Crossfire brass burner |
| Maximum rated output | Up to 190,000 BTU; actual performance depends on fuel supply, pressure, installation, elevation, adjustment, and weather |
| Fuel | Online variants are configured for natural gas; contact Smokeforges to confirm liquid propane availability |
| Gas connection | 1/2" pipe opening |
| Finish options | Birch, Smoke, Carbon, and Onyx |
| Manufacturer-listed weight | Approximately 200–400 lb., depending on configuration |
| Production estimate | Made to order; approximately 6–8 weeks |
| Origin | Handcrafted in Denver, Colorado |
A Complete Fire Feature Package
- Nyx GFRC vessel in the selected finish
- Warming Trends Crossfire brass burner
- Key valve and manufacturer-supplied flex hose
- Aluminum burner plate
- Premium black rolled lava rock
- Black marine-grade protective cover
- Manufacturer-supplied leveling feet
Fit, Gas & Freight
- Choose the direction of the offset flame before the gas stub and final placement are set.
- Map the complete 54-by-36-inch oval plus furniture depth and circulation.
- Use a stable, level, non-combustible supporting surface.
- Have a qualified gas professional verify fuel, pressure, pipe sizing, and supply capacity.
- Plan labor and equipment for curbside LTL delivery and final placement.
Review the Installation Details First
Share the current manufacturer documents with your designer, contractor, and gas professional before the project is finalized.
Nyx Buying Guide
Is the offset flame intentional?
Which direction should the flame face?
Can Nyx be ordered for propane?
What clearances should be planned?
What warranty applies?
Bring Nyx Into the Evening
Select your size and finish above. Because Nyx is made to order and final sale, review the dimensions, fuel configuration, access path, and installation requirements before continuing.
Buy Now — Go to CheckoutThe currently selected Nyx variant will be added before checkout.Need help first? Call 833-777-2962 or email info@smokeforges.com.








