1 Hour Rated Suspended Ceiling Roof Assembly

One hour roof ceiling assembly.

1 hour rated suspended ceiling roof assembly.

For complete information on the listed systems the actual listing or test report should be reviewed. Concrete with cellular steel 3 hr. Two types of fire rated construction assemblies pertain to acoustical ceiling systems. Since the insulation will retard the transfer of heat any insulation incorporated into a rated assembly.

Floor or roof suspended ceiling system illustration fr system 4 tm ner 392 1991 construction 1 hour rating floor or roof 24 oc min 12 depth 2 layers 1 2 type x gypsum sheathing min 15 32 wh tsc fca 45 02 wh tsc fca 45 04 ga fc5512 nominal 2x3 24 oc min 10 depth truswal metal truss plates 1 layer 5 8 type x gypsum sheathing min 3 4. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. Ibc section 703 3 item 2.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. With 1 25 mm type s drywall screws 12 305 mm 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.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 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. Don t be left hanging understanding how the nec regards suspended ceiling designs and supports is critical for proper design and installation of electrical wiring and equipment. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.

I am looking for a 1 hour roof ceiling assembly for wood truss construction. Roof ceiling and attic separation. 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. 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.

Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.