1 Hr Fire Wall

Sheathing 5 8 in.

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. 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. Framing nominal 2x4 wood studs spaced 16 in.

Lp flameblock sheathing can be used in a few different 1 hour fire rated wall assemblies including. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. 1 hour rated exterior fire wall zero lot line applications description. Type x gypsum wallboard 4 ft.

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. Ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251. 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. 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.

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.