Home > Walls Fire Test Number   UL Type Designations Sound Transmission Class (STC)*   Wall Thickness between (inches) and (inches)   Framing Wood Framing Steel Framing (Non-loadbearing) Steel Framing (Loadbearing) CMU   SSMA limiting height information Limiting Heights Tool Performance Moisture/Mold-Resistant Interior Walls Exterior Walls ASTM Specification Standards Complete Revit® Library Download USG Walls Library for Revit 2010 Download USG Walls Library for Revit 2009 Revit® is a Registered Trademark of Autodesk® Materials: Plaster Gypsum Panel Cement Board Fiber-Reinforced Gypsum Panels Wall Type: Partition Wall Interior | Exterior OR Shaft Wall Chase Wall Area Separation Wall Furred Masonry Other: Insulation Resilient Channel Fire Rating: Any .75 1 1.5 2 3 4 Minimum Sound Rating: STC*: Framing Type: Wood Steel (Non-loadbearing) Steel (Loadbearing) CMU * USG always recommends the use of a professional acoustical consultant for assistance in determining and achieving appropriate sound performance. Visit NCAC for a list of acousticians in your region.