Walk through any premium campsite in Japan, Korea, or increasingly North America and Europe, and the centerpiece is no longer the tent — it is the camping kitchen. Multi-table layouts with drop-in burners, integrated storage, and powered coolers have become the visual signature of high-end car camping. For buyers at outdoor brands, the practical question is how to build a product line that supports this trend without designing every component from scratch.
The answer most of the market has settled on is the IGT unit standard. Understanding how it works — and what it demands from a manufacturer — is essential before you brief a factory on a modular camp kitchen program.
What the IGT Unit Standard Is
IGT stands for Iron Grill Table, a modular frame concept that originated in the Japanese outdoor market and has since become a de facto industry standard. The core idea is simple: instead of a solid tabletop, an IGT table is a frame with standardized rectangular apertures. Each aperture accepts a drop-in module — a tabletop panel, a flat burner, a cutting board, a sink basin, a storage bin — that rests on the frame rails by its flange.
The sizing logic is based on units. One unit corresponds to an internal opening of roughly 250 × 360 mm, and modules are made in fractional and multiple sizes: half-unit, one-unit, 1.5-unit, and larger. Because the aperture dimensions and rail geometry are consistent, any module built to the standard fits any frame built to the standard — across product generations and, in many cases, across brands.
Why a shared standard matters for product planning
For a brand, the standard converts a one-time table sale into a platform. A customer who buys the frame this season can add a burner insert next season and a sink module the season after, and everything fits. That compatibility is only real, however, if the factory holds tight dimensional tolerances on the aperture and flange — more on that in the sourcing section below.
Frames, Link Frames, and Connectors: The Skeleton of a Camp Kitchen Setup
A modular camp kitchen setup is built from three structural families.
Core IGT tables. These are the foundation: an aluminum-alloy frame with folding legs and rails spaced to the unit standard. Buyers typically anchor a line with a flexible flagship such as an expandable IGT modular table that can grow from a compact footprint to a full kitchen run, then add finish-differentiated variants — a bamboo-top IGT modular table is a common premium tier, since natural bamboo reads as high-end on the shelf and in lifestyle photography.
Link frames. These are open frames that bridge two tables or extend a single table, adding aperture capacity without adding full leg sets. A wood-grain IGT link frame lets the end user build an L-shaped or galley-style kitchen while keeping the whole assembly visually continuous.
Connectors and fractional extensions. Small components such as a 1.5-unit IGT connector fill the gaps between full tables, carry odd-sized modules, and give the layout flexibility that fixed tables cannot. They are inexpensive to produce, light to ship, and carry strong attach rates because they solve a visible problem at the campsite.
On the engineering side, the frames are typically extruded aluminum alloy (6061 or 6063 class), anodized or powder-coated, with stainless hardware at pivot points. Tabletop modules range from aluminum slat panels to solid bamboo and wood-grain-finished aluminum. Leg systems usually offer two or three height positions — a low position for ground-style camping and a standard working height for cooking — so ask your factory how the height mechanism locks and how it is checked in QC.
Integrating Stoves, Storage, and Fridge Racks
The commercial appeal of an IGT table is what drops into it and hangs off it.
- Stove integration. Flat single and double burners built to unit dimensions sit flush in the frame, putting the cooking surface level with the prep surface. This is the signature IGT experience. It also imposes real engineering requirements: heat-resistant surrounds near burner apertures, adequate clearance between flame and frame, and finishes that tolerate radiant heat without discoloring.
- Storage. Mesh baskets, hanging rails, drawers, and under-frame shelves attach to the rail system. These accessories are small-carton, high-margin items that round out a range.
- Fridge racks. Powered compressor coolers are now standard equipment for premium campers, and a loaded unit is heavy. A purpose-built camping fridge rack positions the cooler at working height beside the table run, with a load-rated frame and a footprint that aligns with the rest of the kitchen. Confirm the rated load with your factory and ask how it is validated.
The result is a complete outdoor kitchen assembled from components that pack flat, ship in efficient cartons, and merchandise individually.
Why Modularity Sells for Premium Camping Brands
Modularity is not just an engineering choice — it is a revenue structure.
- Ecosystem repeat purchase. The first frame sale creates demand for modules, link frames, and accessories. Instead of one transaction, a customer relationship becomes a multi-season buying sequence within your brand.
- Higher perceived value. A configurable system photographs and demos better than a static table. Retail displays showing a burner, sink, and fridge rack in one assembly tell a story a single folding table cannot.
- Efficient SKU expansion. New colorways, top materials, and single-module accessories extend the range each season without re-tooling the core frame — provided your manufacturer maintains the aperture standard across every batch.
- Logistics advantages. Modules and connectors are compact and dense, so a modular camp kitchen range mixes large and small cartons efficiently in containers and in e-commerce parcels alike.
Sourcing Checklist: What to Ask a Factory
Because the entire value of an IGT system rests on interchangeability, factory selection matters more here than for standalone furniture. Questions worth asking:
- Tolerance control. What are the dimensional tolerances on aperture openings and module flanges, and are go/no-go fit jigs used on the line?
- Cross-compatibility testing. Will your frames be fit-tested against widely circulated IGT-standard modules, not just the factory’s own?
- Heat management. How are burner-adjacent surfaces and finishes specified and tested?
- Structural validation. What are the stated load ratings for tables, link frames, and fridge racks, and how are stability and leg-locking verified? Folding mechanisms should go through open-close checks in QC, and every unit should get a function inspection before packing.
- Development capability. Can the factory design new modules around your brief, or only build to print? In-house tooling shortens iteration loops considerably.
This is the category where ONWAY SPORTS has concentrated much of its recent development work. As the brand of Foshan Izumi Metals Industrial Co., Ltd., we have manufactured folding furniture since 1995, operate a 9,000 m² factory with in-house tooling and an in-house design library, and hold 50+ patents. Our IGT table systems range — frames, link frames, connectors, and racks — has shipped to brands across 80+ markets, backed by ISO9001 and SA8000 certification, six Good Design Awards, and a 12-step production process. Samples are typically ready in 7–15 days, and cartons are planned around your channel’s size limits.
If you are building or expanding a camping kitchen line, we would be glad to show you what the platform can do. Request the full IGT catalog or a project quote and our team will respond with specifications, finish options, and a development timeline for your brand.
Frequently Asked Questions
What size is a standard IGT unit?
One IGT unit corresponds to an internal frame opening of roughly 250 x 360 mm. Modules are produced in fractional and multiple sizes — half-unit, one-unit, 1.5-unit, and larger — all sharing the same rail and flange geometry. Because the aperture is standardized, any module built to the spec drops into any compliant frame, which is what makes the system expandable across seasons.
Are IGT modules compatible across different brands?
Generally yes, when both the frame and the module are built to the standard with tight tolerances. In practice, compatibility depends on the factory holding consistent aperture and flange dimensions batch after batch. Buyers should ask for fit-jig checks on the production line and cross-fit testing against widely circulated IGT-standard modules, not only the factory's own components.
What materials are used for IGT tables and modules?
Frames are typically extruded aluminum alloy in the 6061 or 6063 class, anodized or powder-coated, with stainless hardware at pivots. Tabletop modules range from aluminum slat panels to solid bamboo and wood-grain-finished aluminum. Burner-adjacent modules need heat-resistant surrounds and finishes specified to tolerate radiant heat without discoloring.
Can a factory develop custom IGT modules for our brand?
An ODM factory with in-house tooling and design capability can develop custom modules, finishes, and connector components around your brief rather than only building to print. Ask about tooling ownership, design-library access, and sample timelines — typically 7 to 15 days for a first sample — before committing to a modular program.