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What are the standard dimensions of a 20ft expandable container house?

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Short answer

A standard 20ft expandable container house ships closed at roughly 6,058 mm long, 2,438 mm wide and 2,591 mm high, matching ISO 20ft container envelopes, and opens to a floor area of about 28-30 m² with internal ceiling heights of around 2,400-2,500 mm. Wing widths are typically 1,200-1,500 mm per side on single-wing and double-wing models.

Units that fit this question

20FT Double Wing Expandable Container House (Metal Carved Panel)

Both long side walls unfold to double the floor area; metal carved panel facade and complete interior.

40FT Flat Pack Container House

A 40ft flat pack module that ships knocked down and gives a 29 m² open floor plate — the standard choice for canteens, recreation rooms and open-plan site offices.

30FT Expandable Container House

A 9-metre expandable module that opens into about 53 m² — two bedrooms plus living space, or a compact office with a meeting room.

Standards & references

  • ISO 668 — Series 1 freight containers: classification, dimensions and ratings (the dimensional basis for 20FT / 40FT modules).
  • ISO 1496-1 — Series 1 freight containers: specification and testing, used as the reference for corner castings and lifting points.
  • ISO 9001 — quality management system; inspection records and test reports are issued per order.
  • IEC 60364 — low-voltage electrical installations, applied to the cabin wiring layout supplied with each unit.
  • EN 1090-1 — execution of steel structures; can be specified when the destination market requires a declared execution class.

Photographs and video are JIUJIAN GLOBAL factory material. Third-party photographs used elsewhere on this site are credited with author, licence and source on the image credits page. Values marked "to be confirmed" depend on destination climate, local code or final layout and are fixed on the production drawing before deposit.

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