In base layer and 1 5 8 2.
Stc 50 metal stud wall construction.
Stc ratings steel stud framed walls sound transmission class stc is an integer rating of how well a framed wall attenuates sound.
Weigh at least 50 less than masonry walls allowing faster easier installation.
15 8 41 mm steel studs indicates value is an estimate steel framing stc values sound control jm formaldehyde free insulations help reduce.
Boarding and nail pops associated with standard drywall construction plus lower lifecycle costs and greater sustainability.
High stc ratings can be achieved without the use of special acoustical products if the gauge of the steel studs is soft.
One hour fire rated partition parallel to one side of min.
Wood stud walls to a scale of one inch one foot and 1 3.
However the soft gauge studs reduce the stiffness of a wall and limit the amount of weight the wall can hold and can also limit the use of a.
Eleven tests listed and that the fourth test in the group 1 2 3 1 4 4 matches the descrip 1 1.
Doubling the mass of a wall assembly does not double the stc rating.
Target stcs by building use.
We see two walls.
Metal stud walls perform better than wood stud walls.
How to improve stc ratings in your wall.
The following examples of different steel stud wall systems demonstrate improved stc values by the inclusion of johns manville sound control insulation between metal studs 24 610 mm on center.
Staggered or double stud walls are higher rated than single stud walls.
Note that in the low frequency range important for music theaters traffic aircraft and most other real world noise sources the lower stc wall is literally 30 decibels better yet lower stc.
Veneer plaster partitions achieve up to 63 stc in steel framed resilient systems and up to 52 stc in wood framed.
An empty framed wall steel studs and a layer of gypsum wallboard on each side has an stc of approximately 35.
You will notice that there are from the index the choices are.
Two hour fire rated partition.
Each assembly in the catalog is drawn 1 2.
Stc sound transmission classification overview.
Insulation will noticeably improve the stc rating of an assembly.
To view different wall assemblies click on each point below that may apply to your project.
International building code requires 50 stc between adjacent dwelling units.
Common wall stcs by construction type.
Stc ratings for load bearing walls.
Fire rated floor ceiling assemblies using metal framing stc 50 iic 50 fire rating as shown 1.
Metal stud walls 1 4.
One hour fire rated partition 3.
A soft metal stud will reduce the efficiency of transmitted vibrations noise.
