Stc 50 Metal Stud Wall Construction
Veneer plaster partitions achieve up to 63 stc in steel framed resilient systems and up to 52 stc in wood framed.
Stc 50 metal stud wall construction. Insulation will noticeably improve the stc rating of an assembly. Stc sound transmission classification overview. How to improve stc ratings in your wall. Common wall stcs by construction type.
Boarding and nail pops associated with standard drywall construction plus lower lifecycle costs and greater sustainability. You will notice that there are from the index the choices are. Stc ratings for load bearing walls. We see two walls.
25 gauge metal studs 24 with 1 type s drywall screws 36 o c. In base layer and 1 5 8 2. Target stcs by building use. Staggered or double stud walls are higher rated than single stud walls.
International building code requires 50 stc between adjacent dwelling units. Wood stud walls to a scale of one inch one foot and 1 3. Two hour fire rated partition. Stc ratings steel stud framed walls sound transmission class stc is an integer rating of how well a framed wall attenuates sound.
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. Studless walls tion in the example. 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.
15 8 41 mm steel studs indicates value is an estimate steel framing stc values sound control jm formaldehyde free insulations help reduce. A soft metal stud will reduce the efficiency of transmitted vibrations noise. Each assembly in the catalog is drawn 1 2. One has an stc 47 4 solid concrete the other an stc 48 steel stud wall.
One hour fire rated partition 3. To view different wall assemblies click on each point below that may apply to your project. Fire rated floor ceiling assemblies using metal framing stc 50 iic 50 fire rating as shown 1. Metal stud walls perform better than wood stud walls.
Eleven tests listed and that the fourth test in the group 1 2 3 1 4 4 matches the descrip 1 1. One hour fire rated partition parallel to one side of min. High stc ratings can be achieved without the use of special acoustical products if the gauge of the steel studs is soft. Metal stud walls 1 4.