It’s known that fire and smoke dampers are located inside the HVAC ductwork to prevent the spread of smoke and gases. So, are HVAC ducts penetrating rated partitions required to have fire and smoke dampers ? Since smoke partition is not fire rated, then does it NOT require damper at penetration ? …

HI @JessicaY that’s a great question! Let’s see if one of our expert architects can help with this one. @coachbryanhadley could you help Jessica with these questions?

Can you please provide some answers as I will be taking my PDD exam this Saturday ? Thank you

Hi @JessicaY , Fire dampers also act as smoke dampers! There will only one damper (and not a fire damper and then smoke damper). Both fire dampers and smoke dampers are designed to close upon detection of heat/fire. However, fire dampers carry a rating while smoke dampers do not. Dampers are requir…

Thank you so much for insightful explanation. That clears up a lot of confusion for me. Based on what you explained, I do want to point out that the answer provided in the PDD practice exam Form 1 question 66 is not exactly correct (see attached). The correct answer should exclude smoke damper as H…

Hi @JessicaY , I’m afraid I had to delete your photo as we do not allow posting of paid Black Spectacles Content or any other 3rd party paid content! Thanks for brining that up though - I get what the question is going for but the wording is a little suspect. If you have a wall that is acting as bo…

Thank you for the helpful clarification. Jessica

I apologize that I was not able to respond sooner. Looks like Darion was able to help, with a rich back and forth that followed.

Does smoke partition require fire and smoke damper at penetration?

Project Development & Documentation

monicafitzpatrick October 27, 2020, 7:48pm 4

@coachdarionziegler are you able to help answer this question?

Topic		Replies	Views
Penetration through fire barrier with duct work Project Development & Documentation	1	526	May 8, 2024
Where there's smoke, there's a barrier (or partition...) Project Development & Documentation fire-assemblies	0	105	August 12, 2025
Fire Barrier vs Fire Partition Table 508.4 Project Development & Documentation code	3	1356	May 17, 2021
Smoke vs fire protected Project Planning & Design	5	723	May 8, 2023
Fire wall vs fire barrier hourly rating table 706.4 vs 508.4 Project Planning & Design	2	575	January 27, 2023

Does smoke partition require fire and smoke damper at penetration?

Related topics