2 Hour Fire Rated Wood Roof Assembly

Urb concealed grid system and tile.

2 hour fire rated wood roof assembly.

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. 2x4 16 o c. Substrate roof floor ceiling time assembly ff file no. Concrete with cellular steel 3 hr.

3 mineral wool batts. Assemblies rated from both sides. Fire rated suspended ceiling wood truss council of america floor or roof fire notes 1. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. These listings are short summaries to serve as a. 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. 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.

Sheathing on both sides. 5 8 type x gypsum wallboard h 2 6 type s drywall screws 12 o c. 2 fire rated wood frame wall and floor ceiling assemblies. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

722 6 2 1 fire resistance rating of wood frame 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. Manufactures intumescent coatings that are ibc nfpa code compliant for astm e119 fire endurance ratings that require 1 or 2 hour fire protection in accordance with ul 263 astm e119 can ulc s101 and iso 834 standards. See full report for details.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. W 1 x 8 wood planking 2 layers 1 2 plywood span 10 live load 40lbs. 2 x 6 f d joists 16 o c.

The fire resistance rating of a wood frame assembly is equal to the sum of.