2 Hour Fire Rated Wood Roof Assembly

Concrete with cellular steel 3 hr.

2 hour fire rated wood roof assembly.

3 mineral wool batts. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Sheathing on both sides. 2x4 16 o c.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Table 1 one hour fire rated loadbearing wood frame wall assemblies. 6 usg fire resistant assemblies test certification test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test. 722 6 2 1 fire resistance rating of wood frame assemblies.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 2 fire rated wood frame wall and floor ceiling assemblies. Assemblies rated from both sides.

5 8 type x gypsum wallboard h 2 6 type s drywall screws 12 o c. See full report for details. 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. The fire resistance rating of a wood frame assembly is equal to the sum of.

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. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. Substrate roof floor ceiling time assembly ff file no. 2 x 6 f d joists 16 o c.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Urb concealed grid system and tile. Fire rated suspended ceiling wood truss council of america floor or roof fire notes 1. 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.

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.