Further information for OBO Bettermann BSK 091026 - BSK fire protection duct 091026 interior exterior 105x260mm 150x320mm
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.