Stc 50 Metal Stud Wall Construction

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Stc 50 metal stud wall construction.

One hour fire rated partition parallel to one side of min. 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. 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. 25 gauge metal studs 24 with 1 type s drywall screws 36 o c.

One hour fire rated partition 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. An empty framed wall steel studs and a layer of gypsum wallboard on each side has an stc of approximately 35. Each assembly in the catalog is drawn 1 2.

Veneer plaster partitions achieve up to 63 stc in steel framed resilient systems and up to 52 stc in wood framed. High stc ratings can be achieved without the use of special acoustical products if the gauge of the steel studs is soft. Wood stud walls to a scale of one inch one foot and 1 3. 15 8 41 mm steel studs indicates value is an estimate steel framing stc values sound control jm formaldehyde free insulations help reduce.

How to improve stc ratings in your wall. You will notice that there are from the index the choices are. Common wall stcs by construction type. Metal stud walls 1 4.

Stc ratings for load bearing walls. 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. Insulation will noticeably improve the stc rating of an assembly.

Metal stud walls perform better than wood stud walls. Weigh at least 50 less than masonry walls allowing faster easier installation. We see two walls. Staggered or double stud walls are higher rated than single stud walls.

One has an stc 47 4 solid concrete the other an stc 48 steel stud wall. Fire rated floor ceiling assemblies using metal framing stc 50 iic 50 fire rating as shown 1. Target stcs by building use. To view different wall assemblies click on each point below that may apply to your project.

Stc sound transmission classification overview. International building code requires 50 stc between adjacent dwelling units. Stc ratings steel stud framed walls sound transmission class stc is an integer rating of how well a framed wall attenuates sound. Boarding and nail pops associated with standard drywall construction plus lower lifecycle costs and greater sustainability.