One Hour Roof Ceiling Assembly

With 1 25 mm type s drywall screws 12 305 mm o c.

One hour roof ceiling assembly. Sheathing 5 8 in. 2 1 3 4 2. Urb concealed grid system and tile. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr. Is this possible without using channels and what ul number would i use. 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. Roof ceiling and attic separation.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs. 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. These listings are short summaries to serve as a.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. O c double top plates single bottom plate. I am looking for a 1 hour roof ceiling assembly for wood truss construction. 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.

I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. One hour roof 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. 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.

Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Substrate roof floor ceiling time assembly ff file no. For complete information on the listed systems the actual listing or test report should be reviewed. Concrete with cellular steel 3 hr.

Ibc section 703 3 item 2. Framing nominal 2x4 wood studs spaced 16 in. 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. No minimum joist size is given except that it needs to be adequate for structural loads.

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. Type x gypsum wallboard 4 ft.