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Application area: renovation


Old building material with modern air-conditioning technology

Limited carrying capacity or insufficient space are great challenges when retrofitting existing buildings with modern AC systems systems. In short: Static, space, optics, preservation order requirements and performance play a big role when choosing the ventilation system.


New efficient systems: the combination does it!

When renovating not only the AC systems systems have to be renewed, but also the air ducts. An air-condition-technological system can only prove its performance in successful combination and the energy doesn’t get lost ‘on the way’  - by bad insulation or leakage. The VENTAFLEX system offers the ideal solution due to material (PUR-rigid foam) and supplies (VentaSnap).

Project example

Overall programme


After a planned six-year refurbishment, the Recklinghausen district hall will be a new-generation administrative location

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Completely manufactured at VENTAFLEX

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The packaging specialist Multivac is stringently pursuing its sustainability strategy

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A brief review of an exciting year!

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VENTAFLEX Calalog 2023

All air duct products, technical details, supplies and installation instructions can be found in our general catalog.

• Installation of VENTAFLEX air ducts with VENTASNAP and VENTAFIX
• Glueing of VENTAFLEX air ducts
• Installation of a compensator for the expansion compensation

• Laying the air ducts
• Length adjustment of air ducts
• Installation LAVANTUS ring seal
• Installation LavantusGrip