Sound Control

There are several different options for increasing the noise reduction qualities of interior wall systems.  It becomes most efficient when two or more of these six specific methods are used together.

Acoustical caulking, Sound Control Insulation, Double Layers of Drywall, Resilient Channels-Soundclips, Staggered stud construction, Double wall Construction, Soundboard/ Wonderboard.

Here is a quick table that demonstrates the STC values of a variety of different construction types and the improvements in noise reduction provided by different sound control options.

Type of Construction	STC Value	Improvement
Studs/ Drywall/ No Caulking	30 (MAX)	1 (baseline)
All remaining Types include Caulking
Studs- Drywall	35	1.42
Studs- Double Drywall One Side	37	1.63
Studs- Drywall-Sound Control Insulation	39	1.87
Studs- Double Drywall One Side - SC Insulation	41	2.15
Studs- Drywall- Resilient Channels	42	2.3
Studs- Double Drywall One Side -Resilient Channels	45	2.84
Studs- Drywall- Resilient Channels -SC Insulation	50	4.0
Staggered Studs- Drywall- SC Insulation	51	4.3
Studs-Double Drywall 1side-Res Channel-SC Insul.	52	4.6
Staggered Studs-Double Drywall 1Side-SC Insul.	53	4.94
Double Wall- Double Sound Control Insulation	59	7.46

 

Remember that STC values are based on the number of decibels of transmitted sound reduced by the wall. Just as a 50 dB sound is four times louder than a 30 dB sound, a 50 STC wall is four times quieter than a 30 STC wall.