Downloads

Accreditations

Testing Laboratory

​​    Certificate of Accreditation  

​​    Annex to Certificate of Accreditation 

Product Certification Body

​​    Certificate of Accreditation - German Version

​​    Annex to Certificate of Accreditation - German Version

Inspection Body

​​​    Certificate of Accreditation  // German Version

​​    Annex to Certificate of Accreditation  //  German Version

Marks / Certificates

   GS-marks   Effective 09/2019

   List of Certificates of factory production control for waterproof sheets and waterstops

   List of Certificates of factory production control for geosynthetics

   National test certificates,   Effective 02/2019

   SKZ marks   Effective 07/2019

​  ​ SKZ Specification for tests and inspection   Effective 07/2019

Brochures / Information

  
​​   Chlorine Resistance of Plastic Pipes

   Expertise reports and failure analyses for plastic pipes

   One-Stop-Service for the Pipe-Industry

   SKZ-Testing

   Testing of Sanitary Tapware and Building Valves