Draft Curtain Nfpa 13

Draft curtains paragraph 3 3 8 draft curtain of nfpa 13 2016 standard for the installation of sprinkler systems defines draft curtains as a continuous material protruding downward from the ceiling to create a reservoir for collecting smoke and heat it references nfpa 204 2015 standard for smoke and heat venting for additional information.

Draft curtain nfpa 13.

According to nfpa 13 draft curtains need to be 2 feet deep but the ibc code commentary refers to 18. 20 6 6 6 3 20 6 5 3 3 a clear aisle of at least 4 ft 1 2 m centered below the draft curtain shall. 5 17 3 draft curtain areas shall be around each roof ceiling fire suppression system and subdivided such that a single draft curtain area shall not exceed 697 m2 7500 ft2. Nfpa 13 requires closely spaced sprinklers with a draft curtain around unenclosed moving stairways staircases or similar unenclosed floor openings which are not large 20 feet or more across and 1000 sqft or greater as an alternative to the enclosure of the vertical opening nfpa 13 8 15 4 1 in 2016 and 9 3 5 1 in 2019.

Curtains also rate glass up to two hours and are used in lieu of static glass draft curtains per nfpa 13. With standard response sprinklers a draft curtain of noncombustible construction and at least 2 ft 600 mm in depth shall be required to separate the two areas. Us smoke and fire corporate video from u s. Nfpa 13 specifies how to properly design and install a sprinkler system using the proper components and materials after it has been determined that a sprinkler system is required.

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