One Hour Roof Ceiling Assembly

These listings are short summaries to serve as a.

One hour roof ceiling assembly.

Framing nominal 2x4 wood studs spaced 16 in. Urb concealed grid system and tile. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.

2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs. Type x gypsum wallboard 4 ft. 2 1 3 4 2. Sheathing 5 8 in.

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. 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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. I am looking for a 1 hour roof ceiling assembly for wood truss construction.

Is this possible without using channels and what ul number would i use. Roof ceiling and attic separation. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.

With 1 25 mm type s drywall screws 12 305 mm o c. Ibc section 703 3 item 2. O c double top plates single bottom plate. Concrete with cellular steel 3 hr.

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. Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 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.

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. For complete information on the listed systems the actual listing or test report should be reviewed. Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm.

Substrate roof floor ceiling time assembly ff file no. 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.