Is this possible without using channels and what ul number would i use.
1 hour fire rated wood roof ceiling assembly.
Assemblies include ducts dampers lighting or other fixtures in the tested assembly.
Ul p533 roof ceiling one layer 5 8 15 9 mm fire shield c ga rc 2603 wallboard attached to 1 2 12 7 mm resilient furring channel spaced 12 o c.
W 1 2 plywood span 17 live load 20lbs.
No minimum joist size is given except that it needs to be adequate for structural loads.
Architects and contractors can spend a lot of time hunting for miscellaneous fire rated assemblies in wood construction.
Substrate roof floor ceiling time assembly ff file no.
Floor or roof 1 hour.
2 1 3 4 2.
3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.
Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly.
Floor ceiling assemblies here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.
Fire rated suspended ceiling wood truss council of america floor or roof fire notes 1.
2 x 10 rafters 24 o c.
Ul does not appear to list an assembly as described.
Concrete with cellular steel 3 hr.
Framing nominal 2x4 wood studs spaced 16 in.
Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr.
O c double top plates single bottom plate.
6 usg fire resistant assemblies test certiļ¬cation 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.
I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.
276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.
I am looking for a 1 hour roof ceiling assembly for wood truss construction.
Urb concealed grid system and tile.
12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.
Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.
What you ll eventually learn is that the easiest place to design your own 1 hour assembly is section 721 6 of the international building code.
In fact there is no.
Fire rated assemblies are listed in the fire resistance design manual published by the gypsum association.
These listings are short summaries to serve as a.
