2 Hour Roof Truss Assembly

2 hour fire endurance assembly for mpcwt structural floor and roof framing systems educational overview revised 10 2 2017.

2 hour roof truss assembly.

Fire rated cold formed steel truss assemblies to properly design a building for fire safety building designers must recognize and accurately follow building fire code regulations. All new fire rated roof ceiling assembly files. Sbca endeavors to expand component manufacturers. Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr.

Find usg product specific cad and revit files. Pitched or parallel chord wood trusses spaced 24 max. Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm. Roof slope of 3 12.

Building codes may require construction assemblies to have a fire resistance rating such as 1 hour 1 hour and 2 hour in specific construction types and occupancies. 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. One basis for this type of analysis is harmathy s ten rules of fire endurance rating written in 1965. O c fabricated from nom.

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. Ul p533 roof ceiling one layer 5 8 15 9 mm fire shield c ga rc 2603 wallboard attached to 1 2 12 7 mm resilient furring channel spaced 12 o c. 1 5 hours nominal 2x3 24 oc min 10 depth truswal truss plates trusgard protective channels applied to bottom chord of each truss fire rated suspended ceiling min 7 1 2 below the truss sheathing min 3 4 nominal 2x3 24 oc min 10 depth truswal truss plates fire rated suspended ceiling min 7 1 2 below the truss sheathing min 3 4 fr. Helpful documents and resources for usg s roof assemblies can be found on this page.

Truss depth shall be 5 1 4 with a min. And technical information disseminating industry news and facilitating networking opportunities for manufacturers of roof trusses wall panels and floor trusses. Layer 3 trusses. Shaft wall limiting heights spans.

Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04. Our cad and revit library of design drawings of wall intersections joints and other construction details.