11/1 · How can I achieve a higher STC shaft assembly? Insulate the wall, use resilient channels or sound isolation clips, and/or install Gold Bond® BRAND SoundBreak® XP® as one of the face layers. Here are a few UL 2-hour rated designs that achieve an STC of 50 or higher: U497, STC 52 (Sound Test: NGC2017007), U498, STC 53 (Sound Test: NGC2015036).

USG Cavity Shaft Wall Systems Catalog - SA926 USG Acoustical Assemblies Brochure (English) - SA200 USG Area Separation Wall Systems Brochure - SA925 Plaster Systems Brochure -

Below please find STC rated wall assemblies based on our acoustic lab tests and INSUL models. Lab tests are performed at NVLAP-certified laboratories in accordance with ASTM E90 and ASTM E492. If you don’t see the STC Rated Wall Assembly you need below, contact one of our acoustical engineers with the desired Assembly and Target STC Rating.

SCAFCO has engineered and designed the I-Stud Shaftwall Fire ratings, installation instructions, and CAD detail assemblies available at SCAFCO.com.

Wall Assemblies USG provides resources here for our UL wall assemblies for seamless integration into any construction project. These wall assembly files are used for planning and

USG SHEETROCK ©BRAND SHAFT LINER GYPSUM PANELS, CUT TOP OF PANEL 1" LESS THAN FLOOR TO CEILING HEIGHT, TYPICAL Scale: 3" = 1' - 0" HEAD OF WALL UL HW-D-0611 (1 AND 2 HOUR) 7 USG SHEETROCK © BRAND FIRECODE CORE GYPSUM PANELS, CUT

Typical Shaft. Wall Assembly. Utility Chase. USG C-H Stud. 1”SHEETROCK Brand gypsum liner. or enhanced gypsum liner panels. USG J-Runner.

5/17 · ShaftWall provides a lightweight, fire resistant structure to protect elements in confined spaces wherever access is limited to one side only. The system pro

USG Shaft Wall Systems are non-load-bearing gypsum wall partition assemblies constructed from outside the shaft at each floor. Shafts are enclosed early in 

H-Stud – 18 Mil members slide over and engage edges of adjacent liner panels for solid area separation walls. The members are fabricated from hot-dipped galvanized steel complying with ASTM A653, with a minimum G40 coating. The framing members comply with ASTM C645. Fire and sound rated assemblies listed under the code and Gypsum Association

Our Shaftwall Metal Framing can be installed for vertical and horizontal encasement applications. With the help of a variety of mold, moisture, and fire-resistant gypsum and cement boards that