Raised Floor Assembly For One Hour Fire Rating

2 x 8 f d joists 16 o c span 12 14 live load 40lbs 3 layers 1 x wood wf201.

Raised floor assembly for one hour fire rating.

Slab with siliceous aggregate and 3 4 minimum cover requires 5 thickness oops not 4 5 sorry to achieve 2 hour rating. Floor joists vary in depth but maintain 16 o c or less. Also see table 721 2 2 1. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

Urb concealed grid system and tile. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Fire rated wall floor and ceiling assemblies provide the necessary fire and smoke barriers to create compartmentalization during a fire safeguarding against the spread of fire and smoke within a building or to and from a building. 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.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Warnock hersey fire resistance rated wall assemblies warnock hersey product listings standards products are certified against astm iso en can cgsb can ulc 1 hour fire resistive rated wall assemblies click the link above each design number below represents a james hardie 1 hour fire resistive wall assembly jh fcs 60 01. Concrete with cellular steel 3 hr. Substrate roof floor ceiling time.

Fully tested non toxic high performance fire resistant flame retardant paints. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Firefree 88 assemblies by building material with 1 2 hour fire ratings. Trying to use section 721 6 1 of the ibc to acheive a 1 hour rating of existing floor assemblies in 20 buildings by using only 1 layer of 5 8 drywall.

Also see table 721 2 3 3 for cover for various widths of beams. These assemblies need to meet fire and smoke safety and environmental sustainability requirements. Assembly ff file no. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.