+49 2505 – 93 8290

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


Siemensstraße 46
D-48341 Altenberge


Tel.: +49 (0) 25 05 - 93 829-0
Fax: +49 (0) 25 05 - 93 829-10

E-Mail: info(at)ventaflex(dot)de

Commercial Register at Amtsgericht Steinfurt, HRA 5164

VAT identification number.: DE 814 661 559

Managing director: Volker Stumpf


Copyright 2004 VENTAFLEX GmbH & Co. KG. All rights reserved. All text, images and graphics are subject of the copyright and other intellectual property rights. Amendment, reproduction or the usage is not permitted for commercial purposes or distribution or for use on other websites.


All trademarks mentioned on the website of VENTAFLEX are registered trademarks of VENTAFLEX. This applies especially for product names and all badges and logos of the company.

Licensing law

VENTAFLEX would offer you an innovative and informative internet program. We beg for appreciation, that the VENTAFLEX GmbH & Co. KG must protect the intellectual property rights, patents and trademarks of the company. So these Websites could not confer any licensing to the intellectual property of VENTAFLEX.


The ambition of VENTAFLEX is the correctness, completeness and topicality of the information on this website, but we cannot exclude any mistakes and ambiguities. VENTAFLEX is not liable for adversities which results by use of the information and data at this website or by use of faulty and/or incomplete Information and data at this website. If someone could accuse wilful and careless fault to VENTAFLEX, in this term VENTAFLEX is liable.
As far as this website contains links to third-party Web sites, we have no influence whatsoever on the information on these Web sites. The content of such third-party sites is the responsibility of the respective owners/providers. We don´t have any attainment about illegal or displeasing content on this sites. But if there is some illegal or displeasing content VENTAFLEX dissociate oneself from this content.


Completely manufactured at VENTAFLEX

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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