2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs.
One hour roof ceiling assembly.
For complete information on the listed systems the actual listing or test report should be reviewed.
Roof ceiling and attic separation.
Urb concealed grid system and tile.
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.
Concrete with cellular steel 3 hr.
Is this possible without using channels and what ul number would i use.
Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.
No minimum joist size is given except that it needs to be adequate for structural loads.
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.
1 2 12 7 mm toughrock fireguard c or 1 2 12 7 mm densarmor plus fireguard c gypsum panels applied perpendicular to rigid furring channels 24 610 mm o c.
With 1 25 mm type s drywall screws 12 305 mm o c.
Sheathing 5 8 in.
Substrate roof floor ceiling time assembly ff file no.
These listings are short summaries to serve as a.
Framing nominal 2x4 wood studs spaced 16 in.
One hour roof ceiling assembly.
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.
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.
Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr.
Gypsum board end joints located midway between continuous channels and attached to additional pieces of channel 54 1372 mm long with screws at 12 305.
Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c.
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.
Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly.
Type x gypsum wallboard 4 ft.
I am looking for a 1 hour roof ceiling assembly for wood truss construction.
Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm.
O c double top plates single bottom plate.
