1 Hour Rated Roof Assembly

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

1 hour rated roof assembly. Ul does not appear to list an assembly as described. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 1 page august 26 2020 ultraply tpo roof systems tested assembly guide august 2020 it is the responsibility of the user of this document to verify the included assemblies in the charts below with the associated firm s ul fm etc. I am looking for a 1 hour roof ceiling assembly for wood truss construction.

The listed assemblies in this document may not contain all components of the approved assembly. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. Urb concealed grid system and tile. No minimum joist size is given except that it needs to be adequate for structural loads.

Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly. In fact there is no. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.

Concrete with cellular steel 3 hr. 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. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Is this possible without using channels and what ul number would i use.