If you want to install a coldstore in a space with limited dimensions, a compact coldroom such as the isomasters Minibox is the best option. When you order a Minibox, you will receive a set of sandwich panels that are very easy and quick to assemble, including a standard hinged coldroom door. 


A Minibox is available in different sizes, starting from 1500 mm wide to 1200 mm deep and 2100 mm high. The maximum dimensions of a Minibox are 3000 mm wide, 2100 mm deep and 2400 mm high. The picture below shows the available dimensions. 
If you need a larger refrigerator or freezer cell, please have a look at our Modular page


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The isomasters locking systems on all sides of the Minibox panels ensure a very easy installation. The system consists of a hook and a shaft that you can connect by means of a hexagonal key. This allows you to airtightly connect the coldstore panels. Additionally, the tooth and the groove sides of the panels fit perfectly together. This also contributes to a thermal bridge-free construction.

As opposed to the Modular coldroom panels, we already include the horizontal corner joints into the Minibox panels during the production process. This considerably shortens the assembly process of a Minibox. 

With the help of the hexagonal key, you can also disassemble the Minibox and reassemble it at another location. 

Standard design

A standard Minibox panel consists of two smooth, white lacquered (RAL 9010) and galvanized steel sheets between which we inject polyurethane (PUR) under high pressure. The steel sheets are finished with a CleanSafe 25µm coating. Unlike Modular panels, which are available in various thicknesses, Minibox panels are always 80 mm thick and 2100 or 2400 mm high (exterior height). 

Of course, the Minibox package includes a standard door: a 700 mm wide hinged coldroom door with a standard door handle and an emergency opener on the inside. The door consists of the same white lacquered, galvanised steel sheets as the Minibox wall and ceiling panels. When the Minibox will be used as a freezer, we supply a standard heating cable to the hinged coldroom door. We also supply PVC floor ventilation profiles to install under the floor panels and to guarantee an optimal air circulation around the coldroom. Finally, when ordering a freezer Minibox you will also find an overpressure valve with the delivered goods. 
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