Arcon Group

Acoustic doors

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Are engineered to prevent a specific amount of sound from passing through a door; they have been common in loud environments such as manufacturing facilities and music studios for decades. But they are growing increasingly popular in office buildings too. A few benefits of a quieter workplace include higher productivity, less sick time, and higher employee retention.

A door’s Sound Transmission Control (STC) rating specifies how much sound would be prevented from passing through the door. The higher the STC rating, the more sound resistant the door.

 

STC

What can be heard

25

Normal speech can be understood easily and distinctly through wall

30

Loud speech can be understood fairly well, normal speech heard but not understood

35

Loud speech audible but not intelligible

40

Onset of "privacy"

42

Loud speech audible as a murmur

45

Loud speech not audible; 90% of statistical population not annoyed

50

Very loud sounds such as musical instruments or a stereo can be faintly heard; 99% of population not annoyed.

60+

Superior soundproofing; most sounds inaudible

 

 

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