1 Hr Rated Roof Ceiling Assembly

Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c.

1 hr rated roof ceiling assembly.

Selecting the right ul fire rated assembly. 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. Establish the hourly rating needed to meet code requirements. Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies.

In fact there is no. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. For complete information on the listed systems the actual listing or test report should be reviewed. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 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 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. Concrete with cellular steel 3 hr.

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. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly. Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm.

Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Determine the existing or planned building elements including structural. 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. 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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Floor ceiling assemblies ceiling system lighting hvac outlets and other penetrants through the ceiling the plenum structural system subfloor and finish floor. Roof ceiling and attic separation.

No minimum joist size is given except that it needs to be adequate for structural loads. Ibc section 703 3 item 2. Ul does not appear to list an assembly as described.