60 minutes fire rated PROMATECT®-H M&E Services enclosure - resisting fire from internal and external
- Assembling an E&M services enclosure with a layer of PROMATECT®-H board, 9mm 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 mineral wool insulation.