1 Hour Fire Rated Wood Roof Ceiling Assembly

Is this possible without using channels and what ul number would i use.

1 hour fire rated wood roof ceiling assembly.

For complete information on the listed systems the actual listing or test report should be reviewed. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. These listings are short summaries to serve as a. 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.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Fire rated construction acoustical performance partition applications fire detail physical data description test no. Substrate roof floor ceiling time assembly ff file no.

I am looking for a 1 hour roof ceiling assembly for wood truss construction. W 1 2 plywood span 17 live load 20lbs. Concrete with cellular steel 3 hr. In fact there is no.

Prescriptive designs ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Ibc section 703 3 item 2. 1 hour rating floor or roof 24 oc min 12 depth 2 layers 1 2 type x gypsum sheathing min 15 32 wh tsc fca 45 02 wh tsc fca 45 04 ga fc5512 nominal 2x3 24 oc min 10 depth truswal metal truss plates 1 layer 5 8 type x gypsum sheathing min 3 4 nominal 2x3 24 oc min 10 depth truswal metal truss plates fire rated suspended ceiling. O c double top plates single bottom plate.

2 1 3 4 2. Framing nominal 2x4 wood studs spaced 16 in. Fire rated wood frame wall and floor ceiling assemblies. Wd stud 2 layers 5 8 sheetrock brand gypsum n a j panels firecode core outside both sides 5 8 sheetrock brand gypsum panels firecode core inside both sides 2 rows 2 x 4 24 o c base layer.

Urb concealed grid system and tile. Stc description system rating test no. Wood joists supporting 1 25 4 mm nominal t g wood subfloor and 1 25 mm nominal wood finish floor or 15. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

Ul does not appear to list an assembly as described. 5 8 15 9 mm toughrock fireguard c gypsum board applied or 5 8 15 9 mm densarmor plus fireguard c ul l505 only applied perpendicular to resilient channels with 1 25 mm type s screws 12 305 mm o c. Roof ceiling and attic separation. One hour one hour engineered load bearing wall assembly assembly w60 s 1 1.