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Fri: 8:00 a.m. – 13:30 p.m.

Supplies for underground installed air duct


The characteristics of the material, the customized supplies and the short-term consultation stand for a significant advantage for the realisation of big construction projects.

[Translate to English:] Lavantus Ringraumdichtung

Ring seal for a clean wall duct

The ring seal is a clean solution for the duct of LAVANTUS air ducts to go through brickwork, walls and concrete slabs. One advantage – next to the ideal connection and sealing of the air ducts – is the simple installation.

[Translate to English:] Lavantus Grip Manschette

LavantusGrip cuff: always a good connection!

The best way to have a "long duct", is the reliable connection of single duct segments with LavantusGrip. In short time a reliable underground installed system is installed securely with 4 stainless steel tightening straps and is extremy tight due to the wide EPDM rubber inlay.

[Translate to English:] lavantus Maßanfertigung

What does not exist, is made fit: customized special components

If a special component for your project is not available from the LAVANTUS standard product range, we produce the missing object custom made in our production. Special angles of outlets, curves or other components of the ventilation system like e.g. outlets that have to be precisely fit to the requirements: we mutually develope the perfect solution with you. 


Download product sheet as PDF


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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