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 installation of photovoltaic cables inside and outside buildings. The requirements for contact protection for emergency services are met. Classification I30 as I-duct according to DIN 4102 Part 11 for the protection of escape and rescue routes. Installation of the duct directly on walls or under ceilings and on support systems. Including countersunk screws and sealing strips.
