Stc 50 Metal Stud Wall Construction

Boarding and nail pops associated with standard drywall construction plus lower lifecycle costs and greater sustainability.

Stc 50 metal stud wall construction. To view different wall assemblies click on each point below that may apply to your project. 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. Common wall stcs by construction type. Insulation will noticeably improve the stc rating of an assembly.

In order to achieve an stc of 50 and higher you must stagger or double the studs for wood stud walls use a resilient mount such as iso clips and or add multiple layers of soundproofing materials or drywall. Target stcs by building use. Stc ratings for load bearing 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.

One has an stc 47 4 solid concrete the other an stc 48 steel stud wall. 1 1 4 32 mm steel corner bead crimp attached at 6. International building code requires 50 stc between adjacent dwelling units. Doubling the mass of a wall assembly does not double the stc rating.

How to improve stc ratings in your wall. Veneer plaster partitions achieve up to 63 stc in steel framed resilient systems and up to 52 stc in wood framed. A soft metal stud will reduce the efficiency of transmitted vibrations noise. 1 2 12 7 mm toughrock fireguard c or 1 2 12 7 mm densarmor plus fireguard c gypsum panels attached to 1 5 8 41 mm steel studs with 1 25 mm type s drywall screws 12 305 mm o c.

Stc ratings steel stud framed walls sound transmission class stc is an integer rating of how well a framed wall attenuates sound. An empty framed wall steel studs and a layer of gypsum wallboard on each side has an stc of approximately 35. Weigh at least 50 less than masonry walls allowing faster easier installation. Staggered or double stud walls are higher rated than single stud walls.

Studs located at each corner of heavy steel w14 x 233 metric w360 x 347 column. Stc sound transmission classification overview. 15 8 41 mm steel studs indicates value is an estimate steel framing stc values sound control jm formaldehyde free insulations help reduce. Metal stud walls perform better than wood stud walls.

High stc ratings can be achieved without the use of special acoustical products if the gauge of the steel studs is soft.