2 Hr Fire Rated Shaft Wall

Ul design u499 w419.

2 hr fire rated shaft wall.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. What structural header is required above a two hour fire damper located within a two hour fire rated usg cavity shaft wall system. Cgc shaft wall systems are non load bearing gypsum wall partition assemblies constructed from outside the shaft at each floor. Looking for a usg match for a competitor ceiling product.

Ul design u497 w419. Cover wood framed walls with a single layer of 3 4 inch type x drywall rated for 120 minutes of fire resistance. These listings are short summaries to serve as a. 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.

Find the right steel studs limiting heights and spans and fire rated assemblies for your shaft walls. 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. Sw 106 1 hour shaftwall with deflection track. A two hour rated shaftwall partition can be configured to achieve a minimum stc rating of 50 with the following system.

Shafts are enclosed early in construction and the walls are. Sw 206 2 hour shaftwall with deflection track. 6 usg fire resistant assemblies test certification 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. Head of wall firestop system gypsum board fire trak shadowline.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Install 2 1 2 64 mm type s drywall screws 12 305 mm o c. Head of wall firestop system gypsum board fire trak shadowline. This is for proper operation of the fire damper during a fire.

The design of structural members containing fire damper assemblies is normally the responsibility of the fire damper manufacturer and not usg. Head of wall firestop system elastomeric spray firestop. To studs and track and 1 1 2 38 mm type g drywall screws 24 610 mm. Fill wall cavity with 1 1 2 fiberglass or mineral fiber insulation.

Use thicker drywall for a two hour rating if double sheeting is not an option with fire resistant insulation between the wall studs.