Colasit rectangular ventilation components made of plastic for corrosive exhaust air and gases

Setting the standard for plastic construction and short delivery times

Optimum ventilation solutions

Thanks to the flow-optimised design with high energy efficiency and a long service life due to the material thickness and construction in welded design

Ventilation ducts and rectangular shaped ventilation parts


Colasit has many years of experience and provides competent consultation in the field of rectangular ventilation ducts and shaped ventilation parts. 

Our solutions convince with a lower flow pressure losses and therefore improved energy efficiency and lower operating cost. Furthermore, our ventilation ducts have greater strength and stability thanks to the optimised material thickness, construction and design. Short delivery times because of standardised components and prefabrication in the factory make our offer unique.

Duct bend 90° / 45°

Duct deviation

Duct Y-section

Duct reduction, rectangular

Duct connecting-piece, rectangular / round

Duct T-piece

Documents about Colasit ventilation components

All data sheets are available as PDF files in the download centre. 

To the download centre


Do you have any further requests or inquiries?
Contact us for a consultation.
Gregor von Schubert
Peter Lehmann
Benedikt Fenske
Alexander Fischer
Beatrice Zürcher
Iris Hänni