1 Hour Fire Rated Exterior Wall Assembly

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.

1 hour fire rated exterior wall assembly.

The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. V337 2 hour interior 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. Dens solutions are industry trusted high performing fiberglass mat gypsum panels suitable for your wall roof ceiling and floor projects.

Densglass sheathing adds performance and durability to a wide range of fire rated and non fire rated building assemblies. 1 hour rated exterior fire wall zero lot line applications description. 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.

This assembly is fire rated for 1 hour from the interior side only except when brick is the exterior facing. Fire safety caution passing a fire test in a controlled laboratory setting and or certifying or labeling a product as having a one hour two hour or any other fire resistance or protection rating and therefore as acceptable for use in certain fire rated assemblies systems does not mean that either a particular assembly system. Type x gypsum board is wallboard to which non combustible fibers have been added. 2 hour exterior wall assembly ul design no.

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. It also allows for the use of fiberglass insulation. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. 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. 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. O c double top plates single bottom plate.