2 Hour Fire Rated Floor Ceiling Assembly

However the gypsum association manual has a new note for certain assemblies.

2 hour fire rated floor ceiling assembly. Building code requirements. Steel stud chase walls. Steel stud partitions with framing 16 o c. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.

D925 unres nwc z106hy. D985 unres 4 1 2 nwc all. D985 unres 4 1 2 nwc z106h. Descriptions of successfully tested i joist floor as semblies are provided in table 3 for one hour fire re sistance rated floor ceiling assemblies and table 4 for two.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Urb concealed grid system and tile. D985 res 4 1 2 nwc z106hy unprotected future floor ceiling nwc fluted cellular ul d925. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

4 1 2 nwc 2hr only fluted. D985 res 4 1 2 nwc mk6gf. D925 unres nwc all. D985 res 4 1 2 nwc all.

Fire sound selector. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Steel stud partitions with framing 24 o c. These assemblies need to meet fire and smoke safety and environmental sustainability requirements.

In new construction the entire floor assembly is often use to achieve the rating. Fire rated wood frame wall and floor ceiling assemblies. Penetrations through rated wall and floor assemblies. Wood stud partitions with framing 16 o c.

D985 unres 4 1 2 nwc mk6g. 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. Ceiling provides two hour fire resistance protection for wood framing where that note is included the entire rating is provided by the gypsum and you don t need a particular floor. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

Concrete with cellular steel 3 hr. Rated steel beam assemblies. 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. 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.

For occupancies such as stores apartments of fices and other commercial and industrial uses build ing codes commonly require floor ceiling and wall assemblies to be fire resistance rated in accordance with standard fire tests.