1 Hr Fire Wall

1 hour rated exterior fire wall zero lot line applications description.

1 hr fire wall.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. O c double top plates single bottom plate. 2009 irc requires walls built within 5 of a property line or within 5 of another building on the same property to have a 1 hour fire resistance rating with fire exposure from the exterior of the building note. Ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251.

Intertek design lpb wpps 60 01 this intertek listed assembly is commonly used in 1 hour exterior walls along the property line including single family construction. 2 1 3 4 2. A typical one hour fire rated wall assembly approved by universal laboratories consists of 2 x 4 inch wood wall studs and r 13 glass fiber insulation faced with a vapor retarding foil filling the cavities. A 5 8 inch thick type x gypsum wallboard hangs vertically to reduce the number of joints and possible fire entry points inside the studs.

This assembly is fire rated for 1 hour from both sides. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Framing nominal 2x4 wood studs spaced 16 in. According to the book commercial drafting and detailing a typical one hour fire rated wall consists of 2x4 studs spaced 16 inches from the center of one stud to the center of the next covered by 5 8 inch type x gypsum board.

Type x gypsum wallboard 4 ft.