Sound Transmission Class (STC)

Considering the control of sound transmission between certain areas such as patient rooms and mechanical or high traffic spaces, will improve patient sleep patterns. This can happen with improving the Sound Transmission Class (STC) ratings of dividing walls.

An STC of 45 is recommended between rooms and corridor and 65 STC between rooms and mechanical spaces (Design and Dementia, 2011).

Adding sound masking devices to rooms with staff control function, can allow staff to lower the noise level in the rooms during the night time and control the intensity of sound in the dining room and lounge during activities.

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Design and dementia. (2011, July). Retrieved March 12, 2017, from http:// aspx
Woodford, C. (2016, December 18). Soundproofing a room | Science of noise reduction. Retrieved July 03, 2017, from

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