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Acoustical Performance Cary NC

To understand why some building spaces are acoustically better than others--and specifically how masonry in Cary can be used to limit or enhance sound transmission--designers must first understand how sound is transmitted from one building space to another.

Level Construction Inc.
(919) 772-3993
3008 Villawood Circle
Raleigh, NC

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Pear Dr.
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Construction Specialty Services, LLC
(888) 438-1666
9660 Falls of Neuse Road, Suite 138, P. O. Box 162
Raleigh, NC
 
ADVANTACLEAN
(919) 434-5605
102 SHERRINGHAM CT
CARY, NC
 
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123. south st
Cary, NC
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Robuck Homes Inc.
6131 Falls of the Neuse, Suite 200
Raleigh, NC
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(919) 556-3338
4900 Purnell Road
Wake Forest, NC

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Barnhill, McCleery & Associates, LLC
(919) 924-1302
103 Great Lake Drive
Cary, NC
 
Maier Construction & Handyman Services
(919) 267-6861
201 Sherwood Forest Pl
Cary , NC
 
Roofing Inc / Interlock Roofing
(919) 460-3006
202 New Edition Ct
Cary, NC
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Acoustical Performance

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Source: Masonry Construction
Publication date: October 1, 1995

By Christine A. Subasic

Abstract: To understand why some building spaces are acoustically better than others--and specifically how masonry can be used to limit or enhance sound transmission--designers must first understand how sound is transmitted from one building space to another. When sound strikes a wall, some of it is reflected, some absorbed, and some transmitted, depending on the materials and construction of the wall assembly. Acoustic performance of a wall assembly is characterized by either an STC (sound transmission class) rating or an NRC (noise reduction coefficient) rating. The STC of a wall assembly is a measure of its resistance to sound transmission or its ability to insulate a building space from sound on the opposite side. The NRC characterizes an assembly's ability to absorb sound. Sound absorption is important in determining how sound travels within a building space. In many cases where masonry is used for ease of maintenance and other reasons, acoustical performance also is a concern. Although acoustical characteristics may be overlooked as a particular advantage, the use of masonry walls in restrooms, kitchens, hallways, and other high-noise areas insulates surrounding spaces from unwanted noise.

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