Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.
1 hr fire wall.
These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.
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.
Type x gypsum wallboard 4 ft.
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.
This assembly is fire rated for 1 hour from both sides.
Sheathing 5 8 in.
2 1 3 4 2.
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 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.
1 hour rated exterior fire wall zero lot line applications description.
Type x gypsum board is wallboard to which non combustible fibers have been added.
Ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251.