PPD Wall Type Diagram

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Jee Hyung Park

September 02, 2022 06:04

Can anyone help me understand what study material to look into to find the acoustic implications of various wall heights?

The ARE Guide example notes that the below diagram is adapted from Architectural Graphic Standards, but I do not see any chapter that connects wall height and acoustical performance... I am trying not to miss any important chapters from any study materials, but apparently I am missing a huge chunk...!! 

Please help!

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  aagangchen September 06, 2022 03:16

  A basic rule of thumb is partial height walls will let sound passes from one room to another, and any opening in walls will do the same. To have good sound insulation, you need to have full-height wall to the underside of the structure, and seal off any openings in walls. Adding batt or rigid insulation to the walls will help greatly too.

  Gang Chen, Author, AIA, LEED AP BD+C (GreenExamEducation.com)

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  24farvardin September 07, 2022 13:11

  follow up question: when would you ever use Wall Type 2?

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  Lauren Printz October 15, 2022 01:22

  @follow-up question: in situations where a plenum is required (maybe significant ductwork, structure, equipment, etc.) spanning two spaces where no fire separation by code nor acoustical separation by program is required.

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