40FT Double Wing Expandable Container House

Folded Dimensions Against the 40HQ Box

Folded, the 40ft double wing expandable container house measures 11,800 mm by 2,200 mm. At the roof the line sits at 2,480 mm, and the lifting heads take the stack to 2,698 mm. A 40HQ box leaves 232 mm of length, 152 mm of width and 218 mm of height around the unit. Margins that tight mean a crane or a heavy forklift, with net weight at 6280 kg.

Chassis Welds, Deck Panels and Joint Seals

The chassis is built from square tubing. Every corner is fully welded, and gussets are added where the wings connect to the main frame, keeping the seam continuous. Four lifting lugs are cut from 20 mm plate; they also work as tie-down points for transport. Cam locks pull each wing tight against the gasket, so the connection stays sealed during shipment. Upright posts hold the panels and keep walls straight. The lifting points are spaced 5,900 mm apart, compatible with a standard spreader beam.

Lifting and lashing kit
· Four lifting heads cut from 20 mm plate
· Tie down eyes at the same four corners
· Cam locks closing each wing joint
· Rubber gasket along the wing edge
· Steel capping over the roof edge

Panels on the 40ft double wing expandable container house are sandwich board with an EPS core. Colour steel skins face both sides. Roof and cut-off carry the same build-up, so the ceiling line stays even across the wings. Foil tape seals every joint, and the wing seam gets a second run. Underfoot sits cement board with an SPC wear layer, and a sealed envelope keeps damp out on a long sea leg.

Envelope and deck items
· Sandwich wall panels with EPS core
· Matching roof and cut-off panels
· Cement fiberboard deck under SPC
· Foil tape on wall and roof seams
· Aluminium sliders with fly screens

Power, Ceiling Lighting and Leakage Protection

Cables, sockets and switches are fitted on the production line, and we test everything before closing up the unit. The distribution board separates lighting, socket and cooling circuits with individual breakers. The socket circuit has earth leakage protection. We fit ceiling lights in every room, and leave extra connection points for fridges and water heaters. Voltage and plug type are made to match your local market standard.

Electrical schedule
· Main switch with three separate trips
· Earth leakage relay on the socket ring
· Ceiling lamps for each room
· Spare point for fridge and heater
· Socket standard to the buyer market Spare ways wait for a water heater and a fridge, so the buyer can add loads without opening the walls again. The earth leakage relay sits behind the main switch and trips the whole socket ring on a fault, which keeps a damp floor safe.

Steel Door, Sliders and Wet Zone

On the 40ft double wing expandable container house, a steel door with a lock bar closes the entry. The leaf swings inward. Sliding windows run on aluminium tracks, with fly screens fitted as standard. In the dry bay sits the bathroom, with a shower, a basin, a WC and a mirror over the vanity. Supply and waste pipes run inside the wall cavity, so nothing crosses the floor. Fittings are sealed to the panel face.

Crane Choice and the Loading Sequence

The 40ft expandable container house goes out with both wings locked and the roof capping on. A crane lifts at the four heads and sets it on a level pad. Each wing is then released, pushed out and locked against its gasket. Plumb is checked before the seals go on. No scaffolding and no welding are needed.

Road, Sea Freight and the Export Papers

One 40ft double wing expandable container house fills a 40HQ. An open top 40FR is used when the port has no crane. The unit folds to 12,032 mm over the lifting heads, so the trailer deck must be at least 13 m. Yard turning needs 8 m, and the crane radius is checked at 3.5 m before the hook goes on. Long road legs run on a low bed with the unit strapped at four points, and a 25 t crane covers the lift. Where the radius runs long, 50 t is booked.

We assist you with customs clearance. We prepare invoice, packing list, bill of lading, certificate of origin and test reports. Our brokers confirm the HS code for prefabricated buildings before the first shipment, with the weighbridge ticket attached. Each 40ft double wing expandable container house features a roof seam walk in closed condition.

Workshop Production Flow

Factory Introduction

We are a professional manufacturer specializing in prefabricated container houses, expandable container houses, foldable container houses and mobile prefab bathrooms. We design, produce and export modular housing solutions for hotels, villas, offices, dormitories, warehouses, workshops and construction sites. Our factory covers an area of 50,000 square meters and is located in Guangzhou. Visitors are welcome.