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 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.
O c double top plates single bottom plate.
1 hour rated exterior fire wall zero lot line applications description.
This assembly is fire rated for 1 hour from both sides.
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.
2 1 3 4 2.
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.
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.
Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.
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.
Sheathing 5 8 in.