Stc 50 Wall Assembly Metal Studs

50 stc with single layer designs have achieved up to 4 hr.

Stc 50 wall assembly metal studs.

Staggered or double stud walls are higher rated than single stud walls. We see two walls. Doubling the mass of a wall assembly does not double the stc rating. International building code requires 50 stc between adjacent dwelling units.

Fire resistance ratings with 3 4 ultracode core panels in steel framed partition assemblies for more information see the following brochures. Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04. Sound tested with 2 x 4 stud wall with 1 2 12 7 mm toughrock fireguard c gypsum wallboard or densarmor plus fireguard c panels each side of assembly and 3 1 2 89 mm fiberglass insulation in stud space both sides. Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04.

To view different wall assemblies click on each point below that may apply to your project. 15 8 41 mm steel studs indicates value is an estimate steel framing stc values sound control jm formaldehyde free insulations help reduce. An empty framed wall steel studs and a layer of gypsum wallboard on each side has an stc of approximately 35. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

Target stcs by building use. Stc ratings for load bearing walls. Metal stud walls perform better than wood stud walls. One has an stc 47 4 solid concrete the other an stc 48 steel stud wall.

Stc ratings steel stud framed walls sound transmission class stc is an integer rating of how well a framed wall attenuates sound. Insulation will noticeably improve the stc rating of an assembly. How to improve stc ratings in your wall. Sound tested with 2 x 4 stud wall with 1 2 12 7 mm toughrock fireguard c gypsum wallboard or densarmor plus fireguard c panels each side of assembly and 3 1 2 89 mm fiberglass insulation in stud space both sides.

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. Stc sound transmission classification overview. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.