1 Hour Fire Rated Roof Ceiling Assembly

Assemblies include ducts dampers lighting or other fixtures in the tested assembly.

1 hour fire rated roof ceiling assembly.

See full report for details. Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr. 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. The fire resistance rating of a wood frame assembly is equal to the sum of.

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. 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. Urb concealed grid system and tile. Roof ceiling assemblies ceiling system lighting hvac outlets and other penetrants through the ceiling the plenum roof support structure and roof assembly including deck insulation and roofing system.

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. Rating also applies with 5 8 15 9 mm fire shield c kal kore plaster base. Concrete with cellular steel 3 hr. Two types of fire rated construction assemblies pertain to acoustical ceiling systems.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. 15 9 mm t g plywood floor sheathing. 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.

Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. 2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs. Substrate roof floor ceiling time assembly ff file no. Generic fire rated assembly listing construction elements 1 5 hr rating 1 hour notes 1.

722 6 2 1 fire resistance rating of wood frame assemblies.