2 Hour Fire Rated Floor Ceiling Roof Assembly Architectural Detail

The addition of insulation to any one or two hour fire resistance rated.

2 hour fire rated floor ceiling roof assembly architectural detail. In floor ceiling or roof ceiling assemblies the addition or deletion of mineral wool or glass fiber insulation in the concealed space between the ceiling membrane and the floor or roof structure could possibly reduce the fire resistance rating. The fire resistance rated assemblies described in this document as well as those listed in other sources are not species or grade specific unless specifically noted as such. Where the room side fire resistance rated membrane of. 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.

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. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. Determine the existing or planned building elements including structural. Building code requirements.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 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. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Fire rated wood frame wall and floor ceiling 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. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. 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.

In new construction the entire floor assembly is often use to achieve the rating. Concrete with cellular steel 3 hr. Selecting the right ul fire rated assembly. Floor ceiling assemblies ceiling system lighting hvac outlets and other penetrants through the ceiling the plenum structural system subfloor and finish floor.

Establish the hourly rating needed to meet code requirements. However the gypsum association manual has a new note for certain assemblies.