FLAMRO develops and manufactures firestop mortars, boards, coatings, collars, wraps, sealants and intumescent building materials for penetration seals and linear joints from its plant in Leiningen. Its products are covered by a large portfolio of DIBt allgemeine Bauartgenehmigungen and bauaufsichtliche Zulassungen published as PDFs on its own site, including FL Novasit 90 under Z-19.53-2373, FL System IWM III plus under Z-19.53-2371 and the FLAMRO BSB intumescent materials under Z-19.11-1795. Further international listings cover UL 1479, ASTM E814, UL 2079, FM 3971 and BS 476.