1 Hour Roof Assembly

Lumber shall be identified by the grade.

1 hour roof assembly.

Framing nominal 2x4 wood studs spaced 16 in. O c double top plates. Wood framed including dimensional lumber engineered joist and truss. D horizontal membrane 52 shaft wall used in a horizontal plane.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. No minimum joist size is given except that it needs to be adequate for structural loads. Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04. Concrete with cellular steel 3 hr.

Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. Is this possible without using channels and what ul number would i use. Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project. Ul does not appear to list an assembly as described.

Helpful documents and resources for usg s roof assemblies can be found on this page. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. I am looking for a 1 hour roof ceiling assembly for wood truss construction.

Urb concealed grid system and tile. Wood and gypsum floor ceiling and wood roof assemblies 1 hour floor ceiling assembly. Fw1 fw2 fw3 fw4 fw5 fw6 fw7 fw8 fw9 fw12 2 hour wood rafter floor assembly. 2 1 3 4 2.

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. Fc1 fc2 fc3 fc6 fc7 fc8 2 hour floor ceiling assembly. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. In fact there is no. As the global safety science leader ul helps companies to demonstrate safety enhance sustainability strengthen security deliver quality manage risk and achieve regulatory compliance. Fc4 fc9 1 hour wood rafter floor assembly.