Safety inspection Wartung Feuer- u Rauchschutztür 1and maintenance of fire and smoke resistant doors with hold-open devices at the prison in Straubing. A doorset's fire resistance capabilities can be seriously compromised if it is not maintained by an individual who has appropriate knowledge of this complex life safety product. 

Therefore the management of the prison in Straubing has charges SÄLZER with this responsible task. For example the maintenance includes the controlling of the gap dimension between door and frame, the visual inspection for obvious damage and defects, the adjustment of the lock system (if necessary) and the examination of the closing sequence of double doors. Photo: examination of the smoke alarm system with integrated door closer by Uwe Frenzel, technician of SÄLZER.