Fire Rated Roof Ceiling Assemblies

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

Fire rated roof ceiling assemblies. Floor ceiling. Roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements. Fire partitions shall extend from the top of the foundation or floor ceiling assembly below to the underside of the floor or roof sheathing slab or deck above or to the fire resistance rated floor ceiling or roof ceiling assembly above and shall be securely attached thereto. This section contains procedures for calculating the fire resistance ratings of walls floor ceiling and roof ceiling assemblies based in part on the standard method of testing referenced in section 703 2.

The fire resistance rating of a wood frame assembly is equal to the sum of. Roof floor ceiling time assembly ff file no. You can use only the specific type size and minimum. Helpful documents and resources for usg s roof assemblies can be found on this page.

Benefits of fire guard ceilings and grid. Concrete with cellular steel 3 hr. Fire guard ceilings and grid systems are designed to provide enhanced resistance against structural failure. 2 x 10 16 o c span 12 14 live load 40lbs w 3 4 wood sheathing ceiling 3 8 gwb.

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. Meet astm e1264 class a rating. Only fire guard products can be used in fire rated assemblies and are idenfified with the fire guard icon. Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project.

No ceiling or suspension system product alone constitutes a fire rated assembly. Urb concealed grid system and tile. Have a question about assemblies. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

2 x 8 16 o c span 12 live load 40 lbs w 3 4 t g plywood ceiling 1 2 non rated gwb. 722 6 2 1 fire resistance rating of wood frame assemblies. Fire rated assemblies are tested and certified in their entirety. 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.

These assemblies need to meet fire and smoke safety and environmental sustainability requirements. Ul tests rate an entire assembly.