1 Hour Rated Suspended Ceiling Roof Assembly

For complete information on the listed systems the actual listing or test report should be reviewed.

1 hour rated suspended ceiling roof assembly.

I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. 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 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.

Ibc section 703 3 item 2. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Two types of fire rated construction assemblies pertain to acoustical ceiling systems. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.

Roof ceiling and attic separation. I am looking for a 1 hour roof ceiling assembly for wood truss construction. 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. With 1 25 mm type s drywall screws 12 305 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. Concrete with cellular steel 3 hr. Urb concealed grid system and tile. 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.

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. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

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.