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Installation instruction

You can download the current installation instructions as a PDF file here.


You can receive further information and details by Email or contact our customer service personally under
phone +49 (0) 2505-93829-20.

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)
VENTAFLEX air duct oval

VENTAFLEX air duct oval

  • Adhesive bonding and screwing of VENTAFLEX air ducts oval
Download pdf (750 KB)
Transition to rectangular ductwork

Transition to rectangular ductwork

Installation of a tight connection between VENTAFLEX® air duct or LAVANTUS air duct for underground installation and rectangular ductwork

Download pdf (89 KB)
Installation instruction transition to other duct systems

Installation instruction transition to other duct systems

The VENTAFLEX air duct or LAVANTUS air duct for underground installation are easily connected with ducts (e.g. spiral duct) of other producers.

Download pdf (130 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)
LAVANTUS wall collar

LAVANTUS wall collar

Making of a wall duct

Download pdf (2 MB)
LAVANTUS ring seal

LAVANTUS ring seal

The ring seal is a clean solution for the duct of LAVANTUS air ducts to go through brickwork, walls and concrete slabs.

Download pdf (254 KB)

Top-Downloads

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)

Top-News

The change in energy policies demands a different technology

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

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LAVANTUS – the air duct especially for underground installation

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

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