One Hour Roof Ceiling Assembly

Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm lbr.

One hour roof ceiling assembly.

Fc1 fc2 fc3 fc6 fc7 fc8 2 hour floor ceiling assembly. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. These listings are short summaries to serve as a. 6 usg fire resistant assemblies test certification test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test.

I am looking for a 1 hour roof ceiling assembly for wood truss construction. 2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs. Ibctable 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Is this possible without using channels and what ul number would i use.

5 8 15 9 mm toughrock fireguard c gypsum board or 5 8 densarmor plus fireguard c gypsum panels applied perpendicular to resilient channels 24 o c. With 1 2 wood structural panels with exterior glue applied at right angles to top of joist or top chord of trusses with 8d nails. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. With steel truss plates spaced 24 o c.

No minimum joist size is given except that it needs to be adequate for structural loads. Wood and gypsum floor ceiling and wood roof assemblies 1 hour floor ceiling assembly. 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. Substrate roof floor ceiling time assembly ff file no.

Fw10 fw11 1 hour roof assembly. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. Fw1 fw2 fw3 fw4 fw5 fw6 fw7 fw8 fw9 fw12 2 hour wood rafter floor assembly.

Concrete with cellular steel 3 hr. 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. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. One hour roof ceiling assembly.

Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. Fc4 fc9 1 hour wood rafter floor assembly. Urb concealed grid system and tile.