2 Hour Rated Roof Assembly

Sound tested with 2 x 4 stud wall with 1 2 12 7 mm toughrock fireguard c gypsum wallboard or densarmor plus fireguard c panels each side of assembly and 3 1 2 89 mm fiberglass insulation in stud space both sides.

2 hour rated roof assembly.

Dwight miller associate principal at lantz boggio architects was seeking wall assembly solutions that would provide a consistent plane across both 1 hour and 2 hour fire rated wall assemblies. 19 1 mm air space between the h stud assembly and any adjacent framing members. Ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. V337 2 hour interior wall assembly ul design no. 2 hour exterior wall assembly ul design no. Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 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. With 1 2 wood structural panels with. Usf detail 20 min fire rated wood door assembly.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. Sheathing on both sides. Urb concealed grid system and tile.

C tracks are also used at the roof line or at the parapet and at the ends of walls. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. 2 hour steel and concrete assembly. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.

These listings are short summaries to serve as a. 2 1 3 4 2. Table 2 two hour fire rated loadbearing wood frame wall assemblies. A portion of the building has 2 hour load bearing walls with 1 hour walls stacked on top.

Framing nominal 2x4 wood studs spaced 16 in. Concrete with cellular steel 3 hr. Erected one floor at a time. Assemblies 1 hour steel and concrete assembly.