2 Hour Roof Assembly

The previously ul assemblies held by trus joist now have a generic i joist specification and can be found on ul directory searches.

2 hour roof assembly.

Urb concealed grid system and tile. V337 2 hour interior wall assembly ul design no. Achieving a 2 hour floor ceiling assembly from the underside only home articles achieving a 2 hour floor ceiling assembly from the underside only one of our current projects is a change of occupancy where the change will require a 2 hour rating between the main level a 2 occupancy and the r 2 occupancy above. These listings are short summaries to serve as a.

Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Concrete with cellular steel 3 hr. Find usg product specific cad and revit files.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. All new fire rated roof ceiling assembly files. A two hour assembly has been calculated and a copy of the report is available from sbca sbca srr 1509 02. One basis for this type of analysis is harmathy s ten rules of fire endurance rating written in 1965.

Shaft wall limiting heights spans. Additional means to specify fire rated assemblies are as follows. As the global safety science leader ul helps companies to demonstrate safety enhance sustainability strengthen security deliver quality manage risk and achieve regulatory compliance. 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.

Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project. Our cad and revit library of design drawings of wall intersections joints and other construction details. Helpful documents and resources for usg s roof assemblies can be found on this page. Sound tested with 2 x 4 stud wall with 1 2 12 7 mm toughrock fireguard c gypsum wallboard or densarmor plus fireguard c panels each side of assembly and 3 1 2 89 mm fiberglass insulation in stud space both sides.

Assemblies listed in our icc es code evaluation report esr 1153 for tji joists.