Skip to main content


Certified for the hygiene sector

The proven VENTAFLEX® technology captures a new field of activity – officially confirmed by further certifications by the Berliner Institut für Lufthygiene.

Consequently we have it in „black and white“: VENTAFLEX® air ducts show clean room character and therefore are recommended for the use in food- and hospital environment.


Find the brochure here:
Ventilation system in the hygiene sector

Download of the certificates (in German):
Hygiene conformity test curved piece

Hygiene conformity test straight piece



VENTAFLEX catalog 2022

VENTAFLEX catalog 2022

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

Download pdf (17 MB)
Installation VENTAFLEX air duct round

Installation VENTAFLEX air duct round

  • Installation of VENTAFLEX air ducts with VENTASNAP and VENTAFIX
  • Glueing of VENTAFLEX air ducts
  • Installation of a compensator for the expansion compensation
Download pdf (742 KB)
Installation LAVANTUS air duct for underground

Installation LAVANTUS air duct for underground

  • Laying the air ducts
  • Length adjustment of air ducts

  • Installation LAVANTUS ring seal

  • Installation LavantusGrip

Download pdf (4 MB)


The change in energy policies demands a different technology

Read more

Underground installed air ducts for comfortably temperated air in the event hall of the listed Liebfrauen church

Read more

LAVANTUS – the air duct especially for underground installation

Read more

Projects where the client has the courage to realise new economic and ecological ideas are the "favourite challenges" of the VENTAFLEX team.

Read more