Mobile App
Connecting pipes. Via app.

Connecting two sewer pipes has never been easier! Our app calculates the best solution and helps you choose the right product. Free, easy to use, and can be used offline. For iPhone and Android.


Choose two sewer pipes.

Our app offers you a huge selection of sewer pipes that can be connected together. Simply select the two pipes to be connected and their size. Our algorithm calculates the best result from over 1.2 million pipe variants!


Check out the solution.

The app displays all results and prioritizes them according to the best solution. Choose between internal adapters, external adapters, or special solutions. The result can be saved as a PDF.


Get to know the product.

The product overview gives you a quick overview. You can view detailed product information and functionality. Additionally, a datasheet can be generated as a PDF.


Scan. Download the app.

The Crassus app is available in the Apple App Store and Google Play Store. You can also simply scan the QR code and go directly to the respective store page.