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Estimated delivery 6-8 weeks from order date.
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In Greek mythology, Cronus is the Titan of time itself — and Studio Nisho chose the name deliberately. Evenings around this fire feature have a way of stretching out: conversations run longer, guests linger, and the last glass gets poured later than planned. That is exactly the effect a classically proportioned fire feature is supposed to have.
Hand-cast in Denver from glass fiber reinforced concrete, Cronus pairs a stately 48-inch square vessel with refined metal band inlays that trace the stepped silhouette like the reveal lines of classical architecture. Beneath the concrete sits a Warming Trends Crossfire brass burner delivering 180,000 BTU — a serious flame for a piece designed to anchor serious gatherings.
Inlaid metal bands wrap the tiered concrete profile, adding a tailored line of contrast that reads like architectural detailing — subtle by day, striking by firelight.
The Warming Trends CFB180 brass burner produces a taller, brighter, fuller flame that mimics a natural wood fire — while drawing noticeably less fuel than conventional ring burners.
Glass fiber reinforced concrete is hand-cast in Colorado, where Nisho fire features are developed to handle genuine four-season weather swings.
The included key valve lets you dial the flame from a quiet, intimate glow to a full-height fire — one simple turn tunes the mood of the whole evening.
Runs on natural gas or liquid propane through a 1/2-inch connection, so Cronus adapts to your property's utilities rather than the other way around.
Threaded footing inserts on the base accept the included feet for precise leveling and built-in bottom ventilation — thoughtful details most concrete pits skip.
Plenty of fire pits are square. Cronus is composed. Studio Nisho built the piece around a handful of deliberate design decisions that separate it from every flat-sided concrete cube on the market.
Slim metal bands are set into the vessel's profile, creating crisp horizontal reveals against the hand-finished concrete. It's the detail guests notice second — right after the flame — and it gives Cronus its tailored, classical character.
Rather than a single monolithic block, the vessel steps outward in tiers like a classical plinth. The geometry catches light differently through the day and gives the piece visual depth from every seat around it.
A wide top opening frames the 30-inch burner zone with a broad concrete ledge on all four sides — a natural resting spot for the included rolled lava rock to spread the flame's glow across the full 48-inch footprint.
Studio Nisho builds every fire feature in Denver, where a single week can swing from snow to sun to hail. That climate is the brand's proving ground: Nisho develops and tests its GFRC vessels against real freeze-thaw cycles, intense UV, and rapid temperature changes — conditions that expose weak concrete quickly.
The material itself is glass fiber reinforced concrete: high-strength, alkali-resistant glass fibers distributed throughout the concrete matrix during hand-casting. The result carries the presence of quarried stone at a manageable 200–400 pounds, with the tensile resilience plain concrete lacks. Under the fire surface, the Crossfire burner is machined from brass chosen to resist rust and corrosion — a meaningful upgrade over the stainless ring burners common at this size.
Because each vessel is hand-cast and hand-finished, minor variations in tone and surface texture are part of every piece's character, and fine hairline lines may appear as the concrete cures and releases moisture. These traits are natural to artisan architectural concrete and do not affect the vessel's structural soundness.
Every Cronus ships with the same vessel architecture and Crossfire burner. Choose the finish that fits your hardscape, then match the fuel type to your installation.
Soft, sun-washed neutral that lets the metal band detail carry the contrast.
Balanced grey that complements pavers, porcelain decking, and modern stucco alike.
Rich charcoal depth that sharpens the stepped profile's shadow lines.
Near-black drama that turns the flame into the brightest object in the yard.
Finish note: every concrete finish is hand-applied and one of a kind. Expect subtle variation from sample photos — the individuality is the point of owning an artisan-cast piece.
The burner's 1/2-inch pipe connection supports both fuels. Natural gas suits properties with an existing line and delivers uninterrupted evenings; propane keeps the installation flexible where trenching a line isn't practical. Either way, a licensed gas professional should complete the final connection — the flex line arrives factory-marked to make their job straightforward.
| Specification | Detail |
|---|---|
| Overall Dimensions | 48" L × 48" W × 14" H Low Profile |
| Weight | 200–400 lbs (varies by configuration) Freight Delivery |
| Vessel Material | Glass fiber reinforced concrete (GFRC) with metal band inlays Handcrafted |
| Burner System | Warming Trends Crossfire brass burner (CFB180) Premium Brass |
| Heat Output | 180,000 BTU High Output |
| Fuel Compatibility | Natural gas or liquid propane Dual Fuel |
| Gas Connection | 1/2" pipe opening |
| Burner Zone | 30" opening with aluminum burner plate |
| Media Fill | Black rolled lava rock (included) |
| Finish Options | Birch · Smoke · Carbon · Onyx 4 Finishes |
| Cover | Black marine-grade cover with Nisho logo (included) |
| Origin | Handcrafted in Denver, Colorado Made in USA |
Cronus arrives as a complete fire feature, securely crated and ready for professional hookup.
Made-to-order craftsmanship: each Cronus is hand-cast and hand-finished after your order is placed, which is why these pieces are final sale. Our team is glad to share current production timelines before you commit — just call or email.
Warming Trends publishes exact clearance requirements for the Crossfire burner platform, and planning around them from day one makes for a smooth install and safe operation. The key numbers:
Set Cronus on a level, non-combustible surface — pavers, concrete, or stone — with open circulation on all four sides for 360-degree seating. The included leveling feet fine-tune the stance and preserve bottom ventilation. Always confirm local code requirements with your installer; the full clearance diagram is linked in the documentation section below.
Plan the gas stub location before delivery day — your gas professional will position it per the Warming Trends diagram and size the supply to feed the burner's full 180K BTU output. At 200–400 pounds, Cronus ships free via LTL freight with curbside delivery, like every order at Smokeforges; have two or more people ready to move it into position.
The included key valve controls gas flow to the burner — turn the key to raise the flame for a lively gathering or lower it for a quiet, intimate glow. It's a simple mechanical control with no electronics required on match-lit configurations.
Studio Nisho recommends a gentle wash with a few drops of mild dish detergent in warm water, applied with a microfiber towel, then dried with a second towel. A spray beeswax solution can be used afterward to polish the vessel. Avoid leaving objects on the surface for extended periods, and keep the included marine-grade cover on between uses — covering the feature also helps maintain the burner's warranty coverage.
Any fire media can trap moisture after rain or humidity, and rapid heating can cause it to crack or pop — a process called thermal spalling. After lighting in damp conditions, let the fire run about 30 minutes to dry the media and observe from a distance until any popping stops. Once dry, the rolled lava rock settles into steady, quiet service.
They're a design signature — slim metal inlays set into the stepped concrete profile that create crisp horizontal reveal lines around the vessel. Functionally the vessel is solid GFRC; the bands exist to give Cronus its tailored, architectural character and to catch the firelight beautifully after dark.
Both share the 48-inch square, 14-inch-tall format and the Crossfire burner platform, but they speak different design languages. Chaos is the collection's free-spirit — unconventional and sculptural — while Cronus is the classicist, with a stepped, metal-banded profile inspired by traditional architecture. If your space leans modern-art, look at Chaos; if it leans timeless and tailored, Cronus is your piece. Happy to talk it through at 833-777-2962.
Three things smooth the install: position the gas stub per the Warming Trends clearance diagram, plan two people for lifting the burner assembly during hookup (protecting the concrete surface with a blanket), and thread the leveling feet into the base inserts before final placement. The full installation guide and clearance diagram are linked in the documentation section below.
Yes — Studio Nisho backs its craftsmanship with a manufacturer warranty, and as an authorized Studio Nisho dealer, Smokeforges ensures your purchase is registered and supported through official channels. Reach out for current warranty terms on the Cronus.
Everything your designer, contractor, or gas professional needs to plan the installation with confidence.
Dimensioned top, front, and side drawings of the Cronus vessel, metal band details, and burner plate zone.
View Spec DrawingInstaller notes, lava rock placement, ignition and shutdown procedures, and the concrete care guide.
View GuideWarming Trends clearance requirements, venting specifications, and gas stub placement details.
View DiagramFree shipping on all orders, honest guidance from fire feature specialists, and authorized dealer support from order through first flame. Questions on finishes, clearances, or production timelines? Let's talk fire.
Call 833-777-2962Prefer email? Reach us at info@smokeforges.com
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