A fabricated steel structure resembles a vehicle in nothing: it can be several times longer, it can be wide with almost no height, and it can arrive as sections assembled after coating.
A steel structure finishing chamber is therefore built on the structure’s own dimensions, within a published range reaching 24,000 mm long, 20,000 mm wide and 6000 mm high.
What changes at this size
| Item | Automotive size | Large chamber |
|---|---|---|
| Internal chamber | 6900×4000×2650 mm | up to 24,000×20,000×6,000 mm |
| Wall | 50 mm insulated panel | or 1.5 mm galvanised sheet for large cabins |
| Main door | from 3000×2600 mm | up to 14,200×5,000 mm, powered |
Why the wall changes, not only the size
A large chamber is not a small chamber scaled up. Two wall options are delivered in this family: a 50 mm insulated panel with three core choices — EPS, rockwool or glass wool — or 1.5 mm galvanised sheet for large cabins. Which one applies follows chamber size and project requirements rather than preference.
Air capacity at large sizes
Chamber volume raises the flow it needs: delivered air capacity runs from 18,000 to 190,000 m³/h per supply or extraction set, and heat output from 200,000 to 600,000 kcal/h. Doubling chamber volume is therefore not a matter of structural cost alone.
Frequently asked questions
Are chambers built for non-automotive parts?
Yes — that is the norm in the industrial sector. Anything beyond the automotive envelope is built to measure within a published range reaching 24,000 mm long, 20,000 mm wide and 6000 mm high.
When is a galvanised wall chosen over an insulated panel?
The 1.5 mm galvanised sheet is stated for large cabins, and the 50 mm insulated panel with its three core options is the alternative. Which applies is settled with the internal size at configuration.
What is the largest size actually delivered?
The published build range is drawn from cross-sector deliveries and reaches 24 metres in length. The final size is built on the dimensions of the structure to be coated.
Does every large chamber need a powered door?
The delivered main door runs from 3000×2600 mm up to 14,200×5,000 mm powered. It is the width or height of the required opening that makes power operation necessary, not chamber volume on its own.
Related reading
- Part weight in chamber design
- Industrial city permits for finishing
- SASO conformity for imported equipment
Next step
Send the dimensions and weight of the largest part or platform to be coated, together with your site area, and the internal size and configuration come back against them. Talk to a specialist. The published range sits on the paint booths family page, and the sector configuration on the Industrial & Manufacturing sector page.