Information and technical data about Expandachem, the UK’s most popular flat pack bunded store.
Dimensions
Length: 2.3m or 3m or 4m
Width: 2160mm excluding gutter
Height: External 2247mm – Internal 1980mm
| External dimensions including gutter 2436mm x 2246mm. Weight: 482kg Sump capacity: 798 litres |
| External dimensions including gutter 3166mm x 2246mm. Weight: 594kg Sump capacity: 1063 litres |
| External dimensions including gutter 4166mm x 2146mm. Weight: 732kg Sump capacity: 1426 litres |
All flat packed units are 300mm high
Door width: 1918mm.
It is also possible to order bespoke sizes.
Click on a drawing to see in full size…
- Expandachem 2m
- Expandachem 3m
- Expandachem 4m
Weights
| 2.3m UNIT | 3m UNIT | 4M UNIT | |
|---|---|---|---|
| Sump | 124kg | 156kg | 197kg |
| Grate (set) | 137kg | 184kg | 246kg |
| Short Side Panel | 27kg | 27kg | 27kg |
| Long Side Panel | 30kg | 40kg | 48kg |
| Door Panel | 52kg | 52kg | 52kg |
| Roof | 66kg | 77kg | 92kg |
| Corner Post | 4kg | 4kg | 4kg |
| Container Weight | 482kg | 594kg | 732kg |
Technical Details
Expandachem is an un-insulated closed volume demountable storage container. Assembly of the unit is simple, using the nuts and bolts supplied.

| Feature | EC2 | EC3 | EC4 |
|---|---|---|---|
| Finish | Galvanised with Powder Coated Doors | Galvanised with Powder Coated Doors | Galvanised with Powder Coated Doors |
| Length (mm) | 2247 | 2247 | 2247 |
| Width (mm) | 2346 | 3165 | 4165 |
| Height, flat packed (mm) | 300 approximately, being reviewed | 300 approximately, being reviewed | 300 approximately, being reviewed |
| Height, assembled (mm) | 2247 | 2247 | 2247 |
| Weight (kg) | 482 | 594 | 732 |
| Door width (mm) | 1918 | 1918 | 1918 |
Construction components
The main construction elements of the hazardous store are as follows:
- Chassis, including sumped base
- Floor grate
- Side wall panels
- Roof panel
- Double-door panels featuring the newly improved double locking system
- Fastening elements
Floor
Sumped chassis base, with suspended floor grate.
The floor has a standard 1000KG load capacity
Side Walls & Roof Panel
0.60 mm box profile galvanized steel panels. The panels have been strengthened with galvanized steel frame sections at the edges of each panel. The roof section of the man-portable building has two integral gutters for effective rainwater dispersal to all four corners of the container.
Door Panels
0.60 mm box profile galvanized steel panel, with powder coated finish. The doors are mounted into the frame with stainless steel hinges. Complete with two 64mm Euro deadlocks with replaceable cylinders and a central roller catch. Double-Door width: 1900mm, hinged on the right and left, outward opening.
Fastening Elements
Four 12 mm diameter rods are used to connect the roof to the chassis. These also form lifting eyes for use with a crane. Additional roof security bolts are supplied to prevent external access.
Packing
All components of the Expandachem are specially 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.
Powder Coating
The doors and sump are powder coated in red (RAL3000).
Fire Rating
Expandachem is not fire rated due to its flatpack nature. Please see Chemstore for fully welded storage products.
Prices vary depending on building specification requirements and delivery/installation logistics, so please call 01342 830040 to discuss your requirements with our staff
Note: Due to our continuous product development programe, we reserve the right to change the specifications without prior notice.



