Raised Floor Assembly For One Hour Fire Rating

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.

Raised floor assembly for one hour fire rating.

Also see table 721 2 3 3 for cover for various widths of beams. Fire rated wood frame wall and floor ceiling assemblies 5 ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251. Substrate roof floor ceiling time. These assemblies need to meet fire and smoke safety and environmental sustainability requirements.

Firefree 88 assemblies by building material with 1 2 hour fire ratings. 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. 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.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Fully tested non toxic high performance fire resistant flame retardant paints.

Also see table 721 2 2 1. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. 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.

Assembly ff file no. 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. I cannot find a ul assembly but you could use the prescriptive fire resistance method per ibc 2006 section 720. Urb concealed grid system and tile.