In the instance of “interstitial” sprinklers it really doesn’t matter as the criteria is for horizontal concealed combustible spaces not exceed 36” in depth. You can call it the “yellow brick road,” but if it is constructed in that manner you will need specially listed sprinklers.
Travis Mack, SET M.E.P.CAD | 181 N. Arroyo Grande Blvd. #105 I Henderson, NV 89074 www.mepcad.com<http://www.mepcad.com/> | m: 480.547.9348 AutoSPRINK | AutoSPRINK FAB | AutoSPRINK RVT | AlarmCAD Book appointment time in my calendar https://calendly.com/t_mack_mepcad ________________________________ From: Ken Wagoner <[email protected]> Sent: Wednesday, August 28, 2024 6:32:10 AM To: [email protected] <[email protected]> Subject: [Sprinklerforum] Re: Interstitial or Attic While I cannot refer to any specific definition or explanation for either term, I can only relate what was told to me so long ago I can't remember who said it. "Interstitial" referred to the concealed space between floors, while "attic" referred to that space above the ceiling on the top floor. Ken Wagoner, SET Parsley Consulting 500 West Mechanic Street Harrisonville, Missouri 64701-2235 Phone: (760) 745-6181 Visit the website<https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.parsleyconsulting.com%2f&c=E,1,Y5zKJKPEh1mBEBqSR-VE9cUKl5y-eyP8BpvmE_5j9ZqW2eJbNphYzrCMBZ-2YuX6d-RRkHI4gQ1FV-cvOeCfRC58uZS9NiToZv2mx7909oCqLvCW_n5hDHeK&typo=1>
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