VENTAFLEX® GmbH & Co. KG

+49 2505 – 93 8290

Mon – Thu: 8:00 a.m. – 17:00 p.m.
Fri: 8:00 a.m. – 13:30 p.m.

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

VENTAFLEX air duct oval

• Adhesive bonding and screwing of VENTAFLEX air ducts oval

Transition to rectangular ductwork

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

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

Installation LAVANTUS air duct for underground

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

LAVANTUS wall collar

Making of a wall duct

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