1 Hr Fire Wall

Sheathing 5 8 in.

1 hr fire wall.

Framing nominal 2x4 wood studs spaced 16 in. 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. 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. 2 1 3 4 2.

Type x gypsum board is wallboard to which non combustible fibers have been added. 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. 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.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 1 hour rated exterior fire wall zero lot line applications description. This assembly is fire rated for 1 hour from both sides. Type x gypsum wallboard 4 ft.

O c double top plates single bottom plate.