• Sita is the drainage expert

    Solutions for flat roof drainage must be safe. And safety should be left to professionals. Good that we gather know-how since 1976 in the area of flat roof drainage.

    Therefore we are the No. 1 in Europe.

    Learn more about Sita

  • Products which convince experts

    We offer compelling solutions for the entire range of flat roof drainage – drains, ventilation, fire protection,drainage and renovation. Because as experts, we know very well what experts need.

    To Sita products

  • Our service: from colleague to colleague

    Good service and professional advice are very important to us, because we see ourselves as problem solvers. Due to that our products also benefit from the exchange. Therefore, we advise you free of charge.

    More to Sita service

  • Our mobile helper: Sita Tools App

    The Sita Tools App is a great convenience for architects, planners and users. It supports you from during a visit at the construction area to working in the office or on the way.

    Download now for free

  • Sita DSS The innovative complete solution

    Architectural  merits, a secure function with high drainage capacity, efficient installation combined with ease of maintanence. A siphonic roof drainage system that incorporates SitaDSS rainwater outlets has many advantages.

    See for yourself

    › More on SitaDSS

  • RIBA Approved Siphonic Roof Drainage CPD

    Our Continuing Professional Development (CPD) seminar is approved by the Royal Institute of British Architects (RIBA). It helps to understand the basic principles of Gravity and Siphonic Rainwater Roof Drainage.

    more about RIBA

Welcome to Sita

The name Sita has stood for excellence in drainage and emergency drainage in the flat roof sector for decades. Each product comes with the experience gained from the production of several millions of outlets. We systematically pursue one single objective: quality in all areas.

Sita leads the field in Germany as far as the production of drainage and ventilation systems is concerned. We are aware of how important good product quality is in achieving outstanding end results. That is why we do everything to provide you with the perfect basis for your work using our products and systems.
With Sita, you may be absolutely assured of building on quality. 


In order to make it as easy as possible for our customers all of our important documents can be found in our download area. Starting with catalogues up to technical drawings and fitting instructions.

Click here to get to our download area!

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