Ask any supplier for their tare weight, fire rating, steel gauge. Then compare to the numbers below.

Full-galvanized Q235 steel. Main beams 100×100×2.5mm. Columns 150×150×2.5mm. Crane lifting points 6mm galvanized — zero frame deflection.
75mm rock wool sandwich (Class A non-combustible) + 9mm bamboo-fibre interior + 16mm metal-clad exterior. Will not burn.
20A RCD safety switch. Pre-wired: 6mm² mains, 4mm² AC, 2.5mm² GPO, 1.5mm² lighting. Electrician just connects to mains.
Full specification
Standard configuration for the Premium Gable Roof Double-Wing Cabin. All dimensions are nominal. Custom configurations available on request.
Product summary
A 20ft steel-frame chassis that unfolds into a 40m² liveable space, topped with a dedicated gable roof structure. Available in 7 custom exterior cladding finishes. Eliminates flat-roof pooling issues while delivering a high-end residential aesthetic.

Next step
Send your project details — use case, location, quantity, and any customization — and we will send you a factory proposal with pricing and lead time.