1 Hr Rated Roof Ceiling Assembly

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

1 hr rated roof ceiling assembly.

Concrete with cellular steel 3 hr. No minimum joist size is given except that it needs to be adequate for structural loads. 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.

Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm. With 1 25 mm type s drywall screws 12 305 mm o c. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. Floor ceiling assemblies ceiling system lighting hvac outlets and other penetrants through the ceiling the plenum structural system subfloor and finish floor.

1 2 12 7 mm toughrock fireguard c or 1 2 12 7 mm densarmor plus fireguard c gypsum panel applied perpendicular to resilient channels 24 610 mm o c. Roof ceiling and attic separation. Ul does not appear to list an assembly as described. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

Gypsum panel end joints located midway between continuous channels and attached to additional pieces of channels 54 1372 mm long with screws 12 305 mm o c. For complete information on the listed systems the actual listing or test report should be reviewed. Urb concealed grid system and tile. 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 wallboard roof ceilings wood framing pitched roof truss 11 1 hr. Selecting the right ul fire rated 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. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.

Is this possible without using channels and what ul number would i use. I am looking for a 1 hour roof ceiling assembly for wood truss construction. In fact there is no. Establish the hourly rating needed to meet code requirements.

Determine the existing or planned building elements including structural. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Ibc section 703 3 item 2.