[ 20FT / BEST SELLER / ADU ]

20ft Standard Expandable Container House

Balanced space, flexible layout and efficient delivery — the program workhorse opens into a 38.2 m² finished interior with studio to two-bedroom layouts.

38.2 Expanded Area
2 units Per 40HQ
6–8 hrs Install Time
11 grade Wind Rating
CertificationsCE-certified electrical (63A RCD + MCB) · component certificates on file
Lead Time15–20 days after deposit
Shipping2 units / 40HQ · folded 5900×2200×2480 mm
Exterior Styles6 standard facades · custom colors available
[OVERVIEW]

20ft Standard Expandable Container House

The 20ft Expandable Container House offers a balanced solution for residential, office and accommodation projects. It combines an efficient transport form with a comfortable expanded interior and supports a wide range of standard or customized layouts.

Interior Living Room
[KEY FEATURES]

Why Specifiers
Choose It.

  • Balanced Size — A practical combination of transport efficiency and usable interior space.
  • Versatile Layout — Suitable for studio, one-bedroom, office and accommodation configurations.
  • Factory Prefabrication — Major structural and interior components are completed before shipment.
  • Project Customization — Exterior finishes, insulation, electrical systems and fittings are selectable.
  • Scalable Deployment — Units work individually or combine into larger multi-module projects.
[LAYOUT OPTIONS]

Configure It
Your Way.

Every layout ships with the agreed electrical standard, insulation package and interior finish — confirmed in CAD before production.

  • Studio layout
  • One-bedroom residential layout
  • Office and meeting layout
  • Worker accommodation layout
  • Customized project layout
[TECHNICAL BRIEF]

Specifications.

Dimensions & Weight

Folded dimensions
5900 × 2200 × 2480 mm
Expanded dimensions
5900 × 6480 × 2480 mm
Expanded floor area
38.2 m²
Internal height
2235 mm
Net weight
3500 kg

Structure

Main frame
Hot-dip galvanized steel, 80×80×2.5 mm square tube
Wall panels
75 mm EPS sandwich, 12 kg/m³ EPS, 0.35 mm color steel faces
Floor system
18 mm fire-resistant glass-magnesium board + 2.0 mm PVC / 4.0 mm SPC
Roof system
1.0 mm fully welded steel roof panel + 50/100 mm EPS insulation ceiling

Performance

Wind resistance
Grade 11 (280 km/h)
Thermal insulation
50/75 mm EPS; rock wool / PU optional
Electrical
CE certified, 12 kW max, 63A RCD + MCB, copper wiring
Water / drainage
DN20 supply, DN50 drainage interface

Installation & Shipping

Installation time
6–8 hours
Installation team
4–5 persons
Loading quantity
2 units / 40HQ
Gross weight (packed)
3800 kg
Offloading
Forklift or crane, min. 5 t
[SCOPE OF SUPPLY]

Standard Configuration

Standard supply scope for this model — the final package is confirmed line by line in your quotation.

CategorySpecification
Main Structure Galvanized steel structural frame
Expansion System Factory-fabricated expandable structure with supports, connection hardware and locking components
Wall System Insulated sandwich wall panels
Roof System Insulated roof panels with waterproof joint treatment
Floor System Structural floor system with selected finished flooring
Doors Steel entrance door
Windows Aluminum alloy windows with glass
Electrical System Lighting, switches, sockets, distribution box and internal wiring to the agreed standard
Plumbing System Water supply and drainage pipelines where required by the confirmed layout
Bathroom Package Toilet, wash basin, shower set and basic accessories when included in the selected layout
Kitchen Package Base kitchen cabinet, countertop and sink when included in the selected layout
Interior Finish Interior wall panels, ceiling finish and decorative trims
[OPTIONS]

Optional Configuration

Select options according to climate, local standards and the final project layout.

CategorySpecification
Exterior Finish Decorative wall cladding, wood-grain panels and customized exterior colors
Insulation Rock wool, PU insulation or an upgraded thermal insulation package
Doors and Windows Double glazing, insect screens, sliding doors, security doors and customized sizes
Interior Flooring SPC, PVC, laminate or other project-specified flooring
Kitchen Upgrade Full cabinet package, cooker hood, cooktop position and appliance spaces
Bathroom Upgrade Water heater, mirror cabinet, upgraded sanitary ware and accessories
Electrical System EU, US, UK, AU or other project-specific electrical standards
HVAC and Ventilation Air conditioner, ventilation system and exhaust fans
Renewable Energy Solar panels, inverter, battery storage and associated power components
Outdoor Accessories Terrace, staircase, canopy, handrails and outdoor lighting
Furniture Package Beds, wardrobes, sofa, dining furniture or office furniture
Smart and Safety Options Smart door lock, access control, CCTV, smoke detector and project-specified safety devices
[ COMPLIANCE ]

Engineered for Local Standards

CE-certified 12kW electrical systems with RCD + MCB protection ship as standard across the range. EU, US, UK and AU wiring packages, rock wool and PU insulation upgrades are available for compliance-driven projects. Component certificates (WaterMark-listed sanitary ware, tempered safety glass and more) are documented on our compliance page.

[ PROCESS ]

From Order to
Move-In Ready

A flat-packed SunModu unit follows a short, predictable path from confirmed layout to on-site installation — no wet trades, no long tails.

Home Candidate Units Factory
01

Consultation & Layout

We confirm your layout, finishes and electrical standard, then lock the specification in CAD before production starts.

Day 0
Steel Fabrication 02
02

Factory Production

Steel framing, panels, interior fit-out, MEP and QC run through our own line — standard models in 15–20 days.

15–20 days
Packing Wrapping 01
03

Flat-Pack & Containerize

Units are folded, protected and lashed into 40HQ containers with corner guards and film wrapping.

40HQ loading
Exterior Private Garden 01
04

On-Site Installation

A small crew unfolds, levels and connects the unit with basic tools — no crane on most sites.

Hours, not weeks
[FAQ]

Common
Questions.

How many rooms can it fit?

Standard layouts cover studio, one-bedroom and office configurations; the 38.2 m² expanded floor plan supports a compact two-bedroom layout on request.

How is it shipped?

Folded to 5900 × 2200 × 2480 mm — 2 units per 40HQ with corner protection and film wrapping. Bulk orders can ship flat-rack.

How long does installation take?

6–8 hours with a 4–5 person crew; the expansion system arrives factory-assembled with supports and locking hardware.

What is the lead time?

Approximately 15–20 days after deposit — the confirmed value from our production schedule.

Can you build to Australian / US electrical standards?

Yes — EU, US, UK and AU wiring packages are standard options; combine with rock wool insulation for compliance-driven projects.

[RELATED SYSTEMS]

Make It
Fully Self-Contained

The 20ft pairs with our factory-built pods — pre-plumbed, pre-wired and dropped in before shipping.

[ REQUEST A QUOTE ]

Request 20ft Expandable Pricing.

Tell us your quantity, destination port and preferred exterior style — bulk pricing available for dealers and developers.

Project RFQ
[ FURTHER READING ]

Keep Exploring.

Practical notes and updates from the factory — related to this system.