AnsweredAssumed Answered

Above how much height, we need to have stair pressurization system?

Question asked by jelsonpjohn on Apr 1, 2018
Latest reply on Apr 16, 2018 by milt.werner

Please help me above how much height, do we need to provide stair pressurization system. If not height, which decide the need fpr stair pressurization system as per NFPA.