1 Hour Fire Rated Exterior Wall Assembly

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

1 hour fire rated exterior wall assembly.

2 hour exterior wall assembly ul design no. Warnock hersey fire resistance rated wall assemblies warnock hersey product listings standards products are certified against astm iso en can cgsb can ulc 1 hour fire resistive rated wall assemblies click the link above each design number below represents a james hardie 1 hour fire resistive wall assembly jh fcs 60 01. Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. Dens solutions are industry trusted high performing fiberglass mat gypsum panels suitable for your wall roof ceiling and floor projects.

Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. This ul listed assembly is commonly used in type v multifamily construction in load bearing exterior walls. Densglass sheathing adds performance and durability to a wide range of fire rated and non fire rated building assemblies.

Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. V337 2 hour interior wall assembly ul design no. 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. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Framing nominal 2x4 wood studs spaced 16 in. Fire rated wood frame wall and floor ceiling assemblies 5 ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251.

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. It also allows for the use of fiberglass insulation.