Adding additional layers of drywall can improve the stc rating of an assembly.
Resilient channel ceiling stc.
Metal stud walls perform better than wood stud walls.
Stc stc 42 stc 48 stc 42 stc 52 stc 52 stc 52 stc 52 stc 48 stc 48 public area stc 52 stc 48 55 stc 50 57 stc 48 55 public area stc 42 60 receiving room adjacent classroom speech use only speech.
Dupree office of noise control california department of health services berkeley california 94704 introduction building codes.
This catalog of sound rated wall and the purpose of the indexing system is.
Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b.
Stc 50 fire rating as shown general notes.
The mineral fiber insulation shall have a thermal resistance r value of 11 or greater as determined by federal specification rr i 521b.
Below is a detailed comparison guide between resilient channel vs.
This assembly has an stc rating of 54 and iic rating of 47.
Ink jetted to assist in proper installation orientation.
Knurled face makes screw attachment of wallboard easier.
Resilient channel can improve the stc rating of an assembly.
You have heard about sound transmission class stc or impact insulation class iic.
Short circuiting resilient channel.
Resilient channel should be installed perpendicular to the.
The type and spacing of resilient channels and clips and the attachment of gypsum board or lath shall be as required for fire ratings.
Rc deluxe is the preferred resilient channel because of its extra wide 1 1 2 flange for the installation of the gypsum board.
It is used as a cross furring member for resilient attachment of gypsum.
Single leg resilient channel made of 22mil steel rc deluxe is one of the most effective low cost methods of improving sound transmission loss through wood and steel frame partitions.
Resilient channels sometimes abbreviated as rc or z channel are some of the most common components installed on projects requiring additional soundproofing higher stc ratings while they provide a significant improvement in decoupling the structure borne noise in walls they should not be seen as a panacea for all noise issues.
Hat channel while the two are effective in soundproofing purposes as they help improve the sound transmission class stc of a partition the big question is which is better in affordable soundproofing.
Both of this rating explains the ability of any material to block the sound transmission or impact noise hence resilient channel helps to improve the stc score or iic of your existing wall or ceiling.
By installing resilient channel in the correct location you can optimize the sound and impact isolation qualities of floor and ceiling partitions and if your plan already calls for resilient channel you won t need to upgrade your building materials.
Insulation will noticeably improve the stc rating of an assembly.
