Stc ratings for load bearing walls.
Stc 50 metal stud wall construction.
Wood stud walls to a scale of one inch one foot and 1 3.
Metal stud walls 1 4.
International building code requires 50 stc between adjacent dwelling units.
Studless walls tion in the example.
Stc sound transmission classification overview.
Stc ratings steel stud framed walls sound transmission class stc is an integer rating of how well a framed wall attenuates sound.
Two hour fire rated partition.
An empty framed wall steel studs and a layer of gypsum wallboard on each side has an stc of approximately 35.
Doubling the mass of a wall assembly does not double the stc rating.
Fire rated floor ceiling assemblies using metal framing stc 50 iic 50 fire rating as shown 1.
15 8 41 mm steel studs indicates value is an estimate steel framing stc values sound control jm formaldehyde free insulations help reduce.
High stc ratings can be achieved without the use of special acoustical products if the gauge of the steel studs is soft.
25 gauge metal studs 24 with 1 type s drywall screws 36 o c.
Boarding and nail pops associated with standard drywall construction plus lower lifecycle costs and greater sustainability.
To view different wall assemblies click on each point below that may apply to your project.
How to improve stc ratings in your wall.
We see two walls.
Eleven tests listed and that the fourth test in the group 1 2 3 1 4 4 matches the descrip 1 1.
Common wall stcs by construction type.
One has an stc 47 4 solid concrete the other an stc 48 steel stud wall.
Veneer plaster partitions achieve up to 63 stc in steel framed resilient systems and up to 52 stc in wood framed.
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.
Weigh at least 50 less than masonry walls allowing faster easier installation.
One hour fire rated partition parallel to one side of min.
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.
Target stcs by building use.
Metal stud walls perform better than wood stud walls.
A soft metal stud will reduce the efficiency of transmitted vibrations noise.
Each assembly in the catalog is drawn 1 2.
In base layer and 1 5 8 2.
One hour fire rated partition 3.
Insulation will noticeably improve the stc rating of an assembly.
