Air Inlets

Rack and pinion tunnel door

For Tunnel and Combi-Tunnel systems

The rack and pinion tunnel door serves as an air inlet in houses with Tunnel or Combi-Tunnel ventilation.

Rack and pinion is an insulated and sealed door for sandwich panel thicknesses ranging from 25 to 50mm.
The system is extremely robust! All racks, brackets, and supports are made of galvanized steel. The aluminum frame around the panel has a built-in rubber sealing that withstands high-pressure cleaning.


  • Robust, insulated, and airtight - no entry of false air

  • Guide the air into the house – gives a uniform climate

  • Stepless regulation of the door opening

  • SKOV supplies critical components – the local vendor supplies infill doors

Technical Information:

Installation examples

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