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dB & STC

NC-v4 EQc9: Acoustic performance
posted by Helena Garcia on Sep 14, 2016, 6:28 am

I'm working with a Spain Project. Spain doesn't use...

Last reply: Helena Garcia , Feb 27, 2019, 10:09 am

Alternative Compliance Path to achieve Acoustic Credit

NC-v4 EQc9: Acoustic performance
posted by Wioletta Simlat on Mar 4, 2015, 5:24 am

Do you know if there is alternative path to achieve EQ Credit 9 outside the US? I'm working with a Project in Germany and we have a probem with Sound Transmission. German Standards does not use...

Last reply: Lise Dannesboe, Nov 13, 2018, 6:10 am

Acoustic Consultant

NC-v4 EQc9: Acoustic performance
posted by Cora Kenrick on Oct 5, 2018, 1:57 pm

I just want to clarify that it is not a requirement to have an acoustic consultant for this credit?

Thanks for the help.

Last reply: Ken Shook, Oct 11, 2018, 4:28 pm

Schools criteria

NC-v4 EQc9: Acoustic performance
posted by Norma Lehman on Sep 18, 2018, 3:19 am

Ken Shook Partner Longman Lindsey LEEDuser Expert 2 thumbs up September 24, 2018- 11:39 am This is more of a question regarding the appropriate rating system for your project. I think you should ask the question of one of the other experts on the forum. Our understanding is the LFS applies to K-12 only. Log in or register to post comments ...

Last reply: Ken Shook, Sep 24, 2018, 11:39 am

the meaning of "office" in office/hallway adjacency combinations

NC-v4 EQc9: Acoustic performance
posted by Agnieszka Rylska on Aug 1, 2018, 6:20 am


I would be very grateful for explaining the type of space named „office” in the table 1 in the reference guide (page 758) in office/hallway adjacency combination. Is it regular...

Last reply: Jill Kurtz, Aug 16, 2018, 11:49 am

Sound Isolation for Regularly Occupied space next to an Electrical room

NC-v4 EQc9: Acoustic performance
posted by Jill Kurtz on Mar 30, 2018, 10:43 am

If I have an conference room (occupied area) next to an electrical room, do I... 1) need to classify that electrical room as a "mechanical room" in the Sound Isolation Requirements or 2) do not...

Last reply: Ken Shook, Aug 8, 2018, 9:49 am

STC ratings of standard materials?

NC-v4 EQc9: Acoustic performance
posted by Erin Holdenried on Jun 25, 2018, 6:03 pm

Hello - Is there a resource available with published...

Last reply: Ken Shook, Jun 28, 2018, 1:32 pm

Conference Room vs. Meeting Room / Sliding doors

NC-v4 EQc9: Acoustic performance
posted by Kavita Karmarkar on May 24, 2018, 1:37 pm

Hi everyone,

Is there a particular definition of Conference Room listed anywhere. We have two types of rooms in the building. One with table and chairs, which is named as 'conference room...

Last reply: Michelle Rosenberger, May 30, 2018, 5:25 pm

Sound transmission- STC vs Rw

NC-v4 EQc9: Acoustic performance
posted by Indochine Engineering VN on Jul 18, 2017, 4:35 am

Hi, It is told that Rw is very similar to...

Last reply: Ken Shook, Apr 24, 2018, 9:37 am

Sound Isolation ACP?

NC-v4 EQc9: Acoustic performance
posted by Brightworks Sustainability on Apr 25, 2017, 7:42 pm

HI all, is anyone familiar with an alternate option for complying with the sound isolation requirements? My project is so close to meeting this but it isn't feasible to provide additional layers...

Last reply: Jill Kurtz, Mar 30, 2018, 10:54 am