|Sound Class Transmission Rating||<– Date –> <– Thread –>|
|From: LESLIE PETERSON (leslie.petersonme.com)|
|Date: Fri, 6 Mar 2015 07:19:35 -0800 (PST)|
PLEASE INCLUDE COPY OF REPLY DIRECTLY TO: leslie.peterson [at] me.com Can anyone in existing multi-family cohousing tell me: 1. What sound class rating/s do you have in your living units for a) floors-ceilings and b) walls: - Sound Transmission Class (STC, airborne sound), and - Impact Insulation Class (IIC, impact sound)? 2. How is this working for you and your fellow cohousers? I am looking for a NUMBER - and how satisfied you and/or your fellow cohousers are. The STC (and possibly IIC) rating number should be in the architectural plan and in contract/s with the subcontractor/s who built the floors-ceilings and walls. I am NOT looking for info or suggestions on materials and design (e.g. carpets vs no carpets, number of sheetrock layers, hollow wall designs, wood vs cement construction, etc). I have read Cohousing-L threads on the topic from March, 2008 and February, 2012 regarding acoustics which include indications of some unsatisfactory experiences and some varying industry recommendations. However I do not see specific info on what ratings have been built in multi-family cohousing units and how cohousers experience their sound insulation. I am looking for specific info on: 1) STC/IIC rating/s (a rating is a number) that have been implemented for a) floors-celings and/or b) walls, and 2) How satisfied people are with their acoustics (note that satisfaction level is meaningful when related to a rating number only). Many thanks in advance to those willing to check their records! Leslie
- Sound Class Transmission Rating LESLIE PETERSON, March 6 2015
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