Concrete with cellular steel 3 hr.
1 hour fire rated wood roof ceiling assembly.
Fire rated wood frame wall and floor ceiling assemblies 5 ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251.
In fact there is no.
W 1 2 plywood span 17 live load 20lbs.
Wood joists supporting 1 25 4 mm nominal t g wood subfloor and 1 25 mm nominal wood finish floor or 15.
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.
Stc description system rating test no.
2 1 3 4 2.
I am looking for a 1 hour roof ceiling assembly for wood truss construction.
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.
One hour one hour engineered load bearing wall assembly assembly w60 s 1 1.
These listings are short summaries to serve as a.
276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.
Ul does not appear to list an assembly as described.
No 2 or lower grades in the prescriptive 1 hour fire resistance rated wall assemblies listed in table 721 1 2 of the 2012 ibc with the.
12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.
Fire rated wood frame wall and floor ceiling assemblies.
Ibc section 703 3 item 2.
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.
I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.
Roof ceiling and attic separation.
2 x 10 rafters 24 o c.
O c double top plates single bottom plate.
Framing nominal 2x4 wood studs spaced 16 in.
For complete information on the listed systems the actual listing or test report should be reviewed.
Substrate roof floor ceiling time assembly ff file no.
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.
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.