One Hour Roof Ceiling Assembly

No minimum joist size is given except that it needs to be adequate for structural loads.

One hour roof ceiling assembly.

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. Is this possible without using channels and what ul number would i use. 2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs.

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. 2 1 3 4 2. 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. 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.

Roof ceiling and attic separation. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Urb concealed grid system and tile.

Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof 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. Ibc section 703 3 item 2. I am looking for a 1 hour roof ceiling assembly for wood truss construction.

With 1 25 mm type s drywall screws 12 305 mm o c. Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm. For complete information on the listed systems the actual listing or test report should be reviewed. Framing nominal 2x4 wood studs spaced 16 in.

Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr. Concrete with cellular steel 3 hr. 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. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

Type x gypsum wallboard 4 ft. O c double top plates single bottom plate. Substrate roof floor ceiling time assembly ff file no. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. 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.