Acoustic Performance

Provide building occupants with an indoor environment conducive to learning and healing.

  • Isolates and dissipates noise
  • Blocks and absorbs sound
CalGreen 5.507.4;
CHPS EQ 14.0 Prereq.: 5 pts; EQ 14.1: 4 pts.
GGlobes up to 2 pts.
BDCv4 IEQ Acoustic performance.: Prereq, (Schools) 1 pt. (2 pts. Healthcare)
BDCv4.1 IEQ Acoustic Performance.: Prereq, (Schools) 1 pt. (2 pts. Healthcare)
Products /
  • Concrete unit masonry

Concrete masonry walls can be used to isolate noise, block sound transmission and absorb noise. They are successfully used as party walls, hotel separation walls, and highway sound walls.

Sound Transmission Class (STC) measures the sound-blocking capability of an assembly.

Typical STC ratings of solid grouted medium weight CMU
Thickness STC
6" 50
8" 55
10" 60
12" 63
Acoustic Performance