Stc Concrete Board Wall

Attaching gypsum board to a masonry wall with resilient clips can increase the stc rating by 12 to 15 points ref.

Stc concrete board wall.

8 concrete block hollow core no wall finish. The stc ratings for masonry walls also can be improved by filling the cores of hollow units with sand or creating a cavity wall. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Gypsum board each side provides stc 63 and a wall footprint 10 3 4 in deep.

In the us it is widely used to rate interior partitions ceilings floors doors windows and exterior wall configurations. Gypsum board end joints located midway between continuous channels and attached to additional pieces of channel 54 1372 mm long with screws at 12 305. With 1 25 mm type s drywall screws 12 305 mm o c. Insulation will noticeably improve the stc rating of an assembly.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Stc ratings for wall floor and window materials and assemblies 3 appendix a stc ratings a 1 walls a 1 exterior a 1 interior a 9 wooden studs a 9 metal studs a 14 floors a 16 wood a 16 concrete a 21 windows a 24 doors a 27 exterior a 27 interior a 29 appendix b references b 1. Maximum installed weight of the finish system should not exceed 15 psf. 8 concrete block hollow core painted 2 coats 2 sides.

To view different wall assemblies click on each point below that may apply to your project. 1 2 12 7 mm toughrock fireguard c or 1 2 12 7 mm densarmor plus fireguard c gypsum panels applied perpendicular to rigid furring channels 24 610 mm o c. Metal stud walls perform better than wood stud walls. While effective for high stc the two walls take additional floor space and have a higher material cost than single stud construction.

Standard stud wall with one layer of 16mm 5 8 plasterboard. Sound transmission class or stc is an integer rating of how well a building partition attenuates airborne sound. Do not use 1 4 usg durock cement board for wall or ceiling applications. Plaster board on one side and 1 layer of 16mm on the other side on a horizontal flexible channel at 600mm 2ft centres screwed to the stud.

Determining sound transmission class stc for concrete masonry. Double 2 x 4 stud wall with two layers of 5 8 in. Usg durock cement board is not designed for use as a structural panel. Staggered or double stud walls are higher rated than single stud walls.

T h e r e c o m m e n d e d s t c o f a wall is the numerical difference between two sound levels.