2 Hour Fire Rated Wood Roof Assembly

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

2 hour fire rated wood roof assembly.

Assemblies include ducts dampers lighting or other fixtures in the tested assembly. Sheathing on both sides. 2x4 16 o c. Roof sheathing deck or slab of a fire resistance rated floor or roof above the ceiling of the corridor shall be permitted to be protected by the use of ceiling materials as required for a 1 hour fire resistance rated floor or roof system.

Table 1 one hour fire rated loadbearing wood frame wall assemblies. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. W 1 x 8 wood planking 2 layers 1 2 plywood span 10 live load 40lbs. 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.

5 8 type x gypsum wallboard h 2 6 type s drywall screws 12 o c. Concrete with cellular steel 3 hr. 1 one hour and two hour rated assemblies that may be used in the roof cavity and that may be constructed with gable end frames. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

Fire rated suspended ceiling wood truss council of america floor or roof fire notes 1. 3 mineral wool batts. 722 6 2 1 fire resistance rating of wood frame assemblies. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

Substrate roof floor ceiling time assembly ff file no. 2 fire rated wood frame wall and floor ceiling assemblies. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Assemblies rated from both sides.

These listings are short summaries to serve as a. The fire resistance rating of a wood frame assembly is equal to the sum of. Urb concealed grid system and tile. 2 x 6 f d joists 16 o c.

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.