Services
Whether for the occupancy permit of your new building, as proof of quality after a rehabilitation, or as part of your duty of care as an owner or property management: the official proof of a non-leaking (tight) sewer system is essential to ensure legal compliance.
As one of the few certified leak testing companies in Austria, we carry out the leak testing of your entire drainage and sewer system, including sewers, manholes, and separators, exactly according to the strict requirements of ÖNORM B2503. You receive a complete and recognized test report from us as reliable documentation for authorities or insurance companies.
Should the test reveal a need for rehabilitation, we, as a full-service provider, will immediately prepare a suitable rehabilitation concept for you.
Here you will find answers to the most frequently asked questions about leak testing.
A leak test is required whenever you need official proof of the condition of your sewer system. The most common applications are for the final inspection of new buildings (for the use permit), as proof of quality following a renovation or to fulfill your duty of care as an owner or building manager.
We test the watertightness of your entire drainage and sewer system. This includes underground pipes, sewers, shafts and separator systems (e.g. grease or oil separators). The test is carried out in accordance with the strict requirements of ÖNORM B 2503 to ensure a complete and reliable result.
After an initial visual inspection and cleaning of the pipe sections to be tested, the system is temporarily sealed at both ends. The section is then filled with either water or air and kept at a defined test pressure for a specified period of time. A measuring device documents exactly whether the pressure remains constant or falls.
Only a certified company such as DerKanal can issue you a test report that is officially recognized by authorities, insurance companies and in legal matters. Certification is your guarantee that the work is carried out professionally in accordance with the applicable standards and that you can rely on the result.
If the leak test reveals damage, our service does not end. We will provide you with exact documentation of the vulnerability. As a full-service provider for all sewer technology, we create a professional and transparent renovation concept for you directly on this basis. In this way, you can easily get an analysis and the solution from a single source.
This is the classic method for leak testing. The line section or shaft to be tested is temporarily sealed at both ends and filled with water. Over a defined period of time, it is then precisely measured whether the water level remains constant. The test is considered passed if the water loss is within the strict tolerance limits of ÖNORM.
In this modern process, a slight positive or negative pressure is applied to the sealed line section. Highly sensitive measuring devices monitor whether this test pressure is maintained over the specified time. A drop in pressure would indicate a leak. This process is often faster and requires no water.
We offer our full range of services to private households, property management companies, and commercial businesses throughout Vienna, Lower Austria, and Burgenland. For larger jobs and planned projects, we also operate on a supra-regional basis.
We provide fast and reliable pipe clearing services across all 23 districts of Vienna. DerKanal is your specialist for professional pipe and sewer cleaning as well as rapid drain clearing – whether in Donaustadt, Favoriten, or Floridsdorf. From our main office in 1230 Vienna-Liesing, we coordinate every job directly across the entire city area.
Our entire service portfolio is available to you without restriction throughout Vienna, Lower Austria, and Burgenland. DerKanal is your reliable specialist for professional drain cleaning, trenchless sewer rehabilitation, separator cleaning, and leak testing. Whether in St. Pölten, Wiener Neustadt, Baden, Mödling, Klosterneuburg, Eisenstadt, Neusiedl am See, or Oberwart—we provide all services directly on-site.
For comprehensive and planned projects—such as liner rehabilitation, specialized milling work, and backflow protection—we extend our service radius to support you in Styria (e.g., Graz, Leoben, Kapfenberg), Upper Austria (e.g., Linz, Wels, Steyr), Carinthia (e.g., Klagenfurt, Villach, Wolfsberg), and Salzburg.