A cloud ceiling is a suspended ceiling that covers only a portion of a room or space below, typically to hide mechanical equipment. Although NFPA 13, Installation of Sprinkler Systems, doesn’t define cloud ceilings or provide specific guidance on protecting them, says Matt Klaus in his column “Heads Up” in the latest issue of NFPA Journal, “ it does provide the answers to these questions through the use of obstructions rules and deflector position requirements.” What are those rules and requirements? To find out, turn to page 34 in your issue or visit www.nfpa.org/archivedjournalhome.asp?categoryID=2601.
—Kathleen Robinson

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