Lightweight sliding doors for cold- and freezer-rooms

For wide doorways or where there is too little space for a hinged door, a sliding door is the perfect solution. With the isotherme range of sliding doors  you are guaranteed thoroughly airtight temperature-controlled rooms.

We supply three different models:
  • EPE: single lightweight sliding doors for positive temperatures
  • ENE: lightweight sliding doors for negative temperatures
  • EPD: double lightweight sliding doors for positive temperatures

Technical Details

Door leaf

The door leaf consists of two galvanised and pre-lacquered steel sheets, between which polyurethane (PUR) is injected. The door leaf is 100 mm thick. At the bottom of the door we provide an adjustable rubber, a single one for a cold room door and a double for freezer doors. The rubber seal we attach to three sides of the sliding door is always a double, whether you order a coldroom or a freezer door.

Applicable to both types:

Width :800, 900, 1100, 1200, 1400, 1500, 1700 or 2000 mm
Height: 2100, 2200, 2400, 2700 or 3000 mm
Other dimensions upon request.


Door leaf
Door frame

A standard door leaf of a sliding coldroom door consists of two white (RAL9010), pre-lacquered steel sheets, finished with a Cleansafe 25µm coating. Between the two sheets we inject polyurethane (PUR) during the production process. 
If you prefer other colours, you can select the colour of your choice as an option and add it to your order. 
Furthermore, we offer the PET55 (Cleansafe 55µm) coating as an option as well. This coating is recommended when installing the doors in aggressive environments (such as salty environments) or when they will be cleaned very intensively. 
Moreover, various stainless steel finishes are available. We offer five different options (RVS Cleansafe): 
  • Stainless steel 304 sun brushed
  • Stainless steel 304 line brushed
  • Stainless steel 304 smooth unpolished
  • Stainless steel 304 linen design
  • Stainless steel 316 sun brushed

We offer PVC, aluminium and stainless steel frames for the light sliding coldroom and freezer doors. 

PVC frame (P-frame)
  • 120 x 30 mm
  • white (RAL 9010)
  • PVC counter-frame with an L-profile
  • Option: frame cladding in stainless steel or coloured steel sheet
Aluminum frame (N-frame)
  • 120 x 25 mm
  • white (RAL 9010)
  • including thermal bridge interruption
  • 120 x 15 mm aluminium counter-frame
Stainless steel frame (C-frame)
  • AISI 304 or AISI 316
  • 100 x 25 mm
  • smooth unpolished
  • only for coldroom doors

Door handle on the outside:
  • Fixed handle in stainless steel with a diameter of 30 mm
  • For doors wider than 1500 mm we supply door handle type 8730 by default
Door handle on the inside:
  • fixed handle in aluminium 
  • Green PVC

  • Aluminium rail: ALU125
  • Anodised aluminium
  • Equipped with plastic rollers
  • Including cover and end stops
  • Tube rail in stainless steel

  • Lock and energency opener: Pinlock 7150
  • Swanneck in Inox AISI 304
  • Protective plate oat the bottom of the door (glued) in RVS or PVC
  • Bumpers (posts and bars) in RVS

One of the options you can select when ordering a light sliding coldroom or freezer door is the basic automation package. In this basic package you will find the following elements:
  • electromechanical fully automatic motor
  • Prewired command board IP56
  • 1 push button (start/stop) exterior
  • 1 push button (start/stop) interior
  • railtrack covering
  • timer
  • without cables and cable channels
  • without mounting accessories
You can also order the following mounting accessories from isomasters as an addition to the basic automation package:
  • screws and mounting brackets
  • electrical cables (LIYY 3G0.75: 20 lm)
  • PVC tubes with a diameter of 20 mm: 12 lm
  • PVC cable channels 32 x 20 mm: 2 lm
  • 2 pull commands: 2 x 5 lm
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