Renke plans and installs automatic extinguishing systems to VdS, FM and NFPA rules, covering sprinkler and spray-water systems with foam proportioning, low-pressure water mist, and firefighting water supplies and hydrant installations. Its published VdS certificates run to 2027 and name Sprinkleranlage mit Schaum (E 4180152) and Sprühwasserlöschanlage mit optionaler Schaumzumischung (E 7180086). A further VdS certificate covers Gefahrenmeldeanlagen at the Speyer site.