2 Hour Rated Roof Assembly

Usf detail 20 min fire rated wood door assembly.

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. C tracks are also used at the roof line or at the parapet and at the ends of walls. With 1 2 wood structural panels with. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.

2 hour steel and concrete assembly. V337 2 hour interior wall assembly ul design no. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251.

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. Framing nominal 2x4 wood studs spaced 16 in. For a 2 hour fire rated assembly without the need for battens maintain a minimum 3 4 in. 2 hour exterior wall assembly ul design no.

Table 2 two hour fire rated loadbearing wood frame wall assemblies. Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. Erected one floor at a time. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

Sheathing on both sides. Concrete with cellular steel 3 hr. 19 1 mm air space between the h stud assembly and any adjacent framing members. Assemblies rated from both sides.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Urb concealed grid system and tile. 2 1 3 4 2.

Assemblies 1 hour steel and concrete 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. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04.