Presence of dust in the fluid – Fabric Expantion Joint

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Dust deposits in the cavity between the multilayer fabric expansion joint and sleeve must be avoided, especially in the low parts of the horizontal ducts:

  • Heavy dust deposits tend to tear an expansion joint
  • They transmit the internal temperature to the expansion joint by conduction, with possible rapid damage.
  • They prevent thermal exchange
  • They reduce the capacity of an expansion joint to perform the movements for which it was designed.

The installation of an Isolmat bolster bag, positioned inside an expansion joint, eliminates this kind of phenomena.

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