Roof Ceiling Fire Rated Assemblies

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.

Roof ceiling fire rated assemblies.

Overview 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. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. You can use only the specific type size and minimum. Roof ceiling assemblies ceiling system lighting hvac outlets and other penetrants through the ceiling the plenum.

The fire resistance rating of a wood frame assembly is equal to the sum of the time assigned to the membrane on the fire exposed side the time assigned to the framing members and the time assigned for additional contribution by other protective measures such as insulation. Ul tests rate an entire assembly. These assemblies need to meet fire and smoke safety and environmental sustainability requirements. Two types of fire rated construction assemblies pertain to acoustical ceiling systems.

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. 2 x 8 16 o c span 12 live load 40 lbs w 3 4 t g plywood ceiling 1 2 non rated gwb. Have a question about assemblies. Fire safety caution passing a fire test in a controlled laboratory setting and or certifying or labeling a product as having a one hour two hour or any other fire resistance or protection rating and therefore as acceptable for use in certain fire rated assemblies systems does not mean that either a particular assembly system.

Helpful documents and resources for usg s roof assemblies can be found on this page. Roof floor ceiling time assembly ff file no. Floor ceiling assemblies ceiling system lighting hvac outlets and other penetrants. Floor ceiling.

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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 722 6 2 1 fire resistance rating of wood frame assemblies. Fire rated assemblies are tested and certified in their entirety.

Urb concealed grid system and tile. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Concrete with cellular steel 3 hr. 2 x 10 16 o c span 12 14 live load 40lbs w 3 4 wood sheathing ceiling 3 8 gwb.