Can anyone point me in the right direction for codes pertaining to the construction of a draft curtain?
My client will be installing them as part of an attic design, where draft curtains are required per the sprinkler listing. The sprinkler data sheet covers the depth requirement of the draft curtain. From browsing some websites I can gather they can be constructed of fire-resistant fiberglass woven textiles, glass (smoke baffles), or even panels of sheet metal. Does NFPA or the IBC define how they are to be constructed? My client will most likely use sheet metal. I'm curious if there is a gauge requirement for the metal. I may be overthinking it, but I like to see the code defining the curtain requirement, to avoid the contractor putting the wrong materials in place. I appreciate any help that anyone can provide. Thank you. Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
8 Comments
Pete H
5/9/2022 06:45:27 am
From NFPA 13 (2016):
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Jesse
5/9/2022 08:17:26 am
Good question. I'd refer to NFPA 204 where it talks about draft curtains, though I don't recall it specifying a minimum gauge for sheet metal.
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Todd E Wyatt
5/9/2022 08:17:31 am
Per 2021 IBC :
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Todd E Wyatt
5/9/2022 08:21:03 am
The NFPA defines a "Draft Curtain" as a “Fixed or Automatically deployable noncombustible barrier that protrudes downward from the ceiling to channel, contain or prevent the migration of smoke.”
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Mohamed Hassan, CFPS, CFI I, PMP
5/9/2022 08:28:55 am
The guidelines for selecting the material of draft curtains are provided at NFPA 204.
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Alex
5/9/2022 08:43:22 am
Hi,
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Eric R
5/9/2022 09:41:14 am
When we install interstitial sprinklers, our jurisdiction uses the IBC so what Todd posted is what we are used to.
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Patrick Drumm
5/31/2022 07:24:40 am
Apologies for the delay, but thank you everyone for submitting there comments. They were very helpful all around to confirm the acceptable materials.
Reply
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