2 Hr Fire Rated Shaft Wall

Sw 205 2 hour shaftwall to steel deck.
2 hr fire rated shaft wall. 1 2 12 7 mm toughrock fireguard c gypsum board or 1 2 12 7 mm densarmor plus fireguard c gypsum panel installed horizontally on each side with joints staggered 24 610 mm o c. The design of structural members containing fire damper assemblies is normally the responsibility of the fire damper manufacturer and not usg. Ul design u497 w419. Head of wall firestop system elastomeric spray firestop.
Shafts are enclosed early in construction and the walls are. Head of wall firestop system gypsum board fire trak shadowline. 6 usg fire resistant assemblies test certiļ¬cation test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.
Install 2 1 2 64 mm type s drywall screws 12 305 mm o c. These listings are short summaries to serve as a. Sw 106 1 hour shaftwall with deflection track. To studs and track and 1 1 2 38 mm type g drywall screws 24 610 mm.
This is for proper operation of the fire damper during a fire. Sw 206 2 hour shaftwall with deflection track. Head of wall firestop system gypsum board fire trak shadowline. Sw 207 2 hour shaftwall partition to steel beam.
A two hour rated shaftwall partition can be configured to achieve a minimum stc rating of 50 with the following system. Cgc shaft wall systems are non load bearing gypsum wall partition assemblies constructed from outside the shaft at each floor. What structural header is required above a two hour fire damper located within a two hour fire rated usg cavity shaft wall system. 19 1 mm 3 4 thick panel can achieve a two hour fire rating with single layer construction when used with mineral wool insulation in steel framed.
Use thicker drywall for a two hour rating if double sheeting is not an option with fire resistant insulation between the wall studs. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. See photos of 100s of finished projects from across the globe. Fill wall cavity with 1 1 2 fiberglass or mineral fiber insulation.
Cover wood framed walls with a single layer of 3 4 inch type x drywall rated for 120 minutes of fire resistance.