1 Hour Rated Suspended Ceiling Roof Assembly

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

1 hour rated suspended ceiling roof 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. As a designer and installer you should know the fundamental differences between a suspended ceiling which is an integral part of a fire rated floor ceiling or roof ceiling assembly and the far more. Concrete with cellular steel 3 hr. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

Since the insulation will retard the transfer of heat any insulation incorporated into a rated assembly. 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. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. One hour roof ceiling assembly. 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. Two types of fire rated construction assemblies pertain to acoustical ceiling systems.

For complete information on the listed systems the actual listing or test report should be reviewed. I am looking for a 1 hour roof ceiling assembly for wood truss construction. Roof ceiling assemblies ceiling system lighting hvac outlets and other penetrants through the ceiling the plenum roof support structure and roof assembly including deck insulation and roofing system. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.

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 703 3 item 2. 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.

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