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International projects

There are many aspects to consider when planning and implementing a construction project. In a short time, you have to make many decisions that affect the entire construction phase. INTEWA and its international partners accompany you through all phases, from planning to execution of your project.

Our products and services are offered worldwide. In the meantime, the INTEWA network covers the most diverse countries. Click on your country on the map and see if there is already a personal contact for you in your country.

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Service overview

Even in countries without a local partner, we are there for you and support you in the implementation process from A to Z.

  • Concept development and price calculation for preliminary planning
  • Dimensioning with Rainplaner software
  • Compilation of tender texts
  • Creation of CAD system drawings
  • Support of executing companies
  • Commissioning service
  • System monitoring

Dimensioning of INTEWA products

Planning sheets for various applications

Rainplaner software

Here you will find brochures, instructions, certificates, technical drawings and much more.

With our knowledge portal we offer you information about stormwater management, water reuse and more.

In our own Online-Store you will find detailed product information.

Contact us

If you have any questions about our products or services, simply contact us by phone

or send us an inquiry using the contact form below.


International Sales:

  +49 (0) 241 966 05 30 


I am interested in
Water treatment
Stormwater Management
Fire Water
Your planning

Do you have a current construction project?
We will be happy to assist you with the planning. Please fill out the planning form and send it as an attachment