Benefits that satisfy:

Overview Isolation Thermal conductivity Frictional resistance Chemical constancy Weight 


Ultra light

Air ducts and chimneys out of polyurethane-foam are ultra light regarding to its weight and easy to process cause they are mounted and taped on the construction site with the patented plug system. 

One chimney with a diameter of 650 mm and a length of 1 m weights only appr. 11 kg. 

A big advantage is the fast and uncomplicated assembling.


We have moved! Since April 7th you will find us at our new location in Siemensstraße 46 in 48341 Altenberge. New shores, new areas of operations – exciting times!

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Allow yourself to be inspired: We regularly present to you practical reports from completed construction projects. And because every construction project encompasses new challenges, no two are the same. An ideal premise under which to clearly present to you the diversity and application spectrum of our system.

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A look behind the scenes at VENTAFLEX. The focus is on quality, leading-edge technology and processes, as well as motivation, principles and objectives. Feel free to take a look.

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With VENTAFLEX offers architects and planners an optimum and timely service. The generation of tenders and performance specifications can take place here quickly and with ease. All conventional file types (GAEB, DATANORM, ÖNORM, HTML, TEXT, XML) are available for you to download.

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Wind power plant with heated rotor blades

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