1 Hour Fire Rated Roof Ceiling Assembly

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

1 hour fire rated roof ceiling assembly.

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. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. Two types of fire rated construction assemblies pertain to acoustical ceiling systems. Concrete with cellular steel 3 hr.

2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs. 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. 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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

The fire resistance rating of a wood frame assembly is equal to the sum of. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Urb concealed grid system and tile. Generic fire rated assembly listing construction elements 1 5 hr rating 1 hour notes 1.

Rating also applies with 5 8 15 9 mm fire shield c kal kore plaster base. 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. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. Ul p533 roof ceiling one layer 5 8 15 9 mm fire shield c ga rc 2603 wallboard attached to 1 2 12 7 mm resilient furring.

See full report for details. Substrate roof floor ceiling time assembly ff file no. 15 9 mm t g plywood floor sheathing. 722 6 2 1 fire resistance rating of wood frame assemblies.

Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.