Better Blocking (STC 45) – Full Height Walls

CEILING SYSTEM

• Chicago Metallic® suspension systems 
• Rockfon stone wool ceiling panels – optimized for sound absorption
• Noise control measures for noise flanking paths through lights, grilles, diffusers – not required

WALL ASSEMBLY

• 5/8" gypsum board (type X) – 1 layer each side
• 3-5/8" steel studs (25 gauge) spaced 16" on center
• 3" thick ROCKWOOL AFB® Semi-Rigid Batt Insulation
• STC 45 (lab test⁴ #TL-93-335)
• Alternative STC 45 wall options

Sources

_{1 2014 edition of the Facility Guidelines Institute (FGI) Guidelines for Design and Construction of Hospitals and Outpatient Facilities. (fgiguidelines.org) 
2 U.S. Green Building Council (USGBC), Leadership in Energy and Environmental Design (LEED), version 4. (leed.usgbc.org) 
3 ANSI/ASA S12.60-2010/Part 1 American National Standard Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools, Part 1: Permanent Schools. (acousticalsociety.org)
4 The referenced laboratory test(s) are part of an extensive, multi-year, testing program conducted by the National Research Council Canada (NRCC) and published by the Institute for Research in Construction (IRC). For more details, including 1/3 octave band transmission loss data, refer to internal reports IRC-IR-693, October 1995 and IRC-IR-761, March 1998. The research program was partially funded by ROXUL, Inc. ROCKFON and ROXUL are subsidiaries of the ROCKWOOL Group.}