Fire protection duct made of water- and frost-resistant glass fiber lightweight concrete of building material class A1 according to EN 13501-1 for fire-safe laying of cables in escape and rescue routes and for maintaining the functionality of safety-relevant systems. Classification I90 as I-duct according to DIN 4102 Part 11 and classification E30 as E-duct according to DIN 4102 Part 12. Installation of the duct directly on walls or under ceilings. Including countersunk screws and sealing strips.
