240 minutes fire rated Building Services Enclosure - SUPALUX®
- Assembling a building services enclosure with a layer of SUPALUX® board, 25mm thick, to form an encasement by securing the board to the steel angle at corner joints and to the channel collar frame at the board joints using screws. Infill the encasement with 2 layer of mineral wool insulation. Cover strips over the hanger rod penetration junction.