ZAPP-ZIMMERMANN has manufactured firestopping systems for over thirty years, covering combination seals, cable and pipe penetration seals, firestop boards, mortars and joint sealants for construction, rail vehicle, tunnel and industrial use. Its download centre publishes an extensive set of DIBt allgemeine Bauartgenehmigungen — among them ZZ M60-S90 under Z-19.53-2604, ZZ M30-S90 under Z-19.53-2322 and PYROSTAT-UNI under Z-19.53-2297 — alongside the European Technical Assessments ETA-12/0118 and ETA-12/0119 for the ZZ G30 and G50 systems. The firm also runs installer training for its approved systems.