Flue Space Requirements for In-Rack Fire Sprinkler Systems (NFPA 13)
Published by Ben Cisneros on
Flue spaces are the open vertical gaps in rack storage that let heat, smoke, and sprinkler water move through the stored goods. For rack storage protected by in-rack fire sprinklers, NFPA 13 uses these spaces as part of the fire protection design, not as leftover warehouse space. This guide explains the main flue space requirements […]










