TinnerFlow
Multi-System · Size, Pressure & Special Routing

Duct expansion joint in long run

Metal duct — Thermal movement

ConnectionListed expansion joint
SupportFixed anchors + guides

How to install it

  1. 1

    Locate fixed and guided points

  2. 2

    install expansion joint at neutral length and correct temperature setting

  3. 3

    align duct

  4. 4

    support both sides

  5. 5

    protect fabric/bellows from torsion.

Quality check

  • Joint neutral
  • movement direction clear
  • no weight/twist on element

Stop and verify

Stop if movement calculation or anchor plan is missing