2 Hour Fire Rated Wood Roof Assembly

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.

2 hour fire rated wood roof assembly.

Urb concealed grid system and tile. The fire resistance rating of a wood frame assembly is equal to the sum of. 2x4 16 o c. 2 fire rated wood frame wall and floor ceiling assemblies.

Assemblies rated from both sides. 3 mineral wool batts. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. See full report for details.

Concrete with cellular steel 3 hr. 5 8 type x gypsum wallboard h 2 6 type s drywall screws 12 o c. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 722 6 2 1 fire resistance rating of wood frame assemblies.

Substrate roof floor ceiling time assembly ff file no. Fire rated suspended ceiling wood truss council of america floor or roof fire notes 1. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. 2 x 6 f d joists 16 o c.

Sheathing on both sides. 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. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. W 1 x 8 wood planking 2 layers 1 2 plywood span 10 live load 40lbs. 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.

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.