ExpandaCom Flat Pack Modular Buildings

ExpandaCom man portable flat pack modular building

OverviewAssembly Instructions | Brochure | Prices

The insulated, flat-pack, hand-portable, stackable, modular office building.

  • Size: 6m x 2.3m
  • DIY assembly
  • No cranes necessary – all components can be carried by hand
  • No specialist tools required to build
  • Assembly in just 1 hour
  • Robust but lightweight construction
  • Ideal for inaccessible areas
  • Can be stacked with optional stacking kit
  • Link cabins together to form larger spaces
  • Fully insulated
  • Galvanized steel construction
  • Vinyl floor covering
  • Double glazed windows
  • expandacomSimply replace damaged panels
  • Electric pack available
  • Window guards available

All components are totally hand-portable and can be carried into locations with restricted access for the simple assembly (approx 1.5 hours).  Only a socket set is required to assemble the building.


expandacom interiorDurable protective powder coated finish: RAL 9002 off-white (interior & exterior)socket set is required to assemble the building.

The unit comes with 1 x door panel and 2 x window panels as standard.  These panels can be placed anywhere within the frame in order to design different configurations.  Additional windows/doors can be placed within the structure.

Linked expandacom units

The flexible Expandacom system can be linked together to form a modular building, either side by side or end to end. or moved as required.

Individual units can be stacked by using the new stacking kit (available separately).


Expandacom forklift pocketsAn optional forklift pocket kit can be supplied, for when regular handling with forklifts is required.Expandacom can be transported flat-packed or assembled.  When not in use, Expandacom can be returned to its flat-packed form to maximise storage space at your depot.

Expandacom uses:

Construction site accommodation, School / college classrooms, Laundry rooms, Workshops, Insulated stores, Park offices, Highway offices, Gatehouses, Military check points, Club houses, Scout & guide meeting rooms, Observation posts, Sleeping accommodation, Workers rest / sleep rooms, Security kiosks.

Expandacom Technical Details


Length: 6140mm / Width: 2305mm (with gutter 2405mm) / Height: 2590mm.


The prefabricated Expandacom is an insulated closed volume demountable accommodation unit, designed for use in very restricted areas above and below ground. Assembly is simple, and is achieved by mounting the sandwich panels and components into the steel frame and chassis, requiring only manpower.

The unit comes with 1 x door panel and 2 x window panels as standard. These panels can be placed anywhere within the frame in order to design different configurations. Additional windows/doors can be placed within the structure.


50mm sandwich panels consisting of two 0.60mm powder coated galvanized steel sheets with 50mm high density (16 kg/m3) polystyrene insulation. Colour: Off-white (RAL 9002).


Ceiling supporting frame consists of a rigid and torsion resistant cold formed 1.50 mm supporting frame, (retention bars) powder coated in off-white (RAL 9002) which locate into spiggots in the four corners of the 3mm corner posts. The outer roof skin is in two parts,
and consists of 0.60mm box profile galvanized steel complete with integral gutters. The roof structure has an evenly distributed load capacity of 100 kg/m².


Frame – Cold formed powder coated 1.25mm galvanized steel.
Door – 0.60 mm powder coated galvanized flat steel formed into a sandwich panel with 50mm honeycomb insulation
c/w with all door furniture and euro cylinder lock.
Windows – uPVC double glazed window with vacuum sealed unit (4+10.5+4), inward opening with locking handle. Size: 805 x 1131mm.


No electric wiring and equipment fitted. The unit is designed to have a surface mounted electrical installation. Optional electric pack available.


The floor consists of a steel structure reinforced to satisfy bearing capacity and rigidity requirements. Flooring is fixed on top of the bearing structure composing of 12mm Cement particle board on which 2 mm thick PVC linoleum covering is laid over. (Flash point B1 – difficult to burn, smoke density Q1).

Chassis supporting frames and structure are manufactured from 3mm cold formed galvanized steel profiles . Vertical profiles are 1.5 & 2mm cold formed powder coated black steel profiles. The chassis can be split into five parts if  required. No insulation in chassis.

Structure has 250 kg/m² evenly distributed load capacity. Deflection is L/300 when placed directly onto level ground.


Expandacom can be extended side to side or end to end by using the special linking kit. Units can be stacked by using the stacking kit. Both items are available separately.


When double stacking, the units need to be preassembled, prior to being craned or forklifted into position


Expandacom plans


All components of the Expandacom are packed to ensure that they are not damaged during transportation, loading and unloading under normal circumstances. The smallest transportation cube is achieved in this packing process.  Flatpacked dimensions 2425mm x 6130mm x 510mm, 1,286kg.


All components are replaceable. Additional window and door panels can be added to the original structure at any time.

Due to our continuous product development programme we reserve the right to change the specification without prior notice.

Expandacom is not designed to comply with U.K Building Regulations approval.

Expandacom stacking kitIdeal for use in restricted city centre locations – London, Birmingham, Manchester etc

Available to purchase – supplied and delivered throughout mainland UK (Britain).

Assembly service  available in some areas

OverviewAssembly Instructions |Brochure | Prices

Telephone 01743 818366