Further information for OBO Bettermann BSK 121026 - BSK fire protection duct 121026 weight 31 9 /
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 I120 as I-duct according to DIN 4102 Part 11 and classification E90 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.