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joint of cold - room panel

Why Sealing The Joints of a Cold – Room Panel?

  • July 7, 2020
  • Cold Room », Insulated Metal Panel (IMP) »
  • 0 Comments
  • Alberto Adriano

WHY SEALING THE JOINTS OF A REFRIGERATION PANEL? 

We hosted a seminar, discussing the types of joints available for insulated panels for cold-rooms. Here the link if you are interested to watch it.
We have indicated that there are the following types of joints of refrigeration panel:
  1. Visible fixation joint or basic tongue and groove joint
  2. Concealed fixation joint
  3. Cold-room joint or labyrinth joint
  4. Hermetic joint

The detailed article about the types of joints for wall insulated panels is here.

We showed a slide where we compared the air-tightness of a panel with a sealed joint to one without sealant in the joint. The difference in air-tightness is quite stunning, especially if we consider that we have performed the test on a brand-new cold-room, recently installed. We all know, that it’s easier to install perfectly a small cold-room rather than a large refrigerated warehouse.

 

joint of the insulated panel

Graphic. The air-tightness of a panel without a sealed joint.

joint of cold - room panel

Graphic. The air-tightness of a panel with a sealed joint.

Why so? Because there are factors that influence the installation of a large refrigerated plant. For example, we consider the settling of the structure, seismic movements, and dilatation and contraction of the metal facing. So, when we look at a real context of a large installation, sealing the joints is an essential element.
The most common issue that metal panels face: the sun heats the outer metal facing up and dilatates it during the day while shrinking it during the night. This process happens every day only to the outer face while the inner face stays still, stretching and shrinking the joints continuously. When we consider an external wall of 10 meters, the dilatation can be of a few millimeters. We can imagine the consequences of such a dilatation on the cold-room walls’ air-tightness over the years. The most important thing is to consider the geographic area where the installation will take place, exposure to the sun, humidity, and rainfall.
These factors and the type of building will influence the type of joint of the insulated panel and the type of sealant required.

CONCLUSION

Before choosing the type of joint of the insulated panel and the type of sealant required please take into consideration the geographic area where the installation will take place, exposure to the sun, humidity, and rainfall. The most important, sealing joints is an essential element for a large installation.

CONTACT US

To learn more about the cold-room panels, you can get in touch on +44 7887 884768. You can also contact us via sales@globepanels.com or completing the contact form below. Once you reach out to us we can provide you with a free quote and can also discuss our products and services further.

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Alberto Adriano

✓ Entrepreneur in the field of International Commerce of Industrial Thermal Insulation ✓ Sales Director at Globe Panels Ltd ✓ 12 years of experience in Sandwich Panels ✓ Exporting to Latin America since 2009.
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