It combines flame spread and burn through resistance to give your customers.
1 hour fire rated exterior wall detail.
1 hour rated exterior fire wall zero lot line applications description.
American softwood lumber standard ps 20.
To the closest interior lot line.
These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.
6 usg fire resistant assemblies test certiļ¬cation test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test.
To the centerline of a street an alley or public way.
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.
Type x gypsum board is wallboard to which non combustible fibers have been added.
Wall framing whichever is closer to one of the following.
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.
Walls less than 5 feet from the property lot line must be of a listed hour fire1 resistant construction.
Lp flameblock is an icc es evaluated component of 1 and 2 hour fire rated wall assemblies and roof deck applications.
These listings are short summaries to serve as a.
With 1 25 mm type s drywall screws 12 305 mm o c.
Gypsum panel end joints located midway between continuous channels and attached to additional pieces of channels 54 1372 mm long with screws 12 305 mm o c.
Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has been approved by an accreditation body that complies with the.
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.
Descriptions of successfully tested i joist floor as.
1 2 12 7 mm toughrock fireguard c or 1 2 12 7 mm densarmor plus fireguard c gypsum panel applied perpendicular to resilient channels 24 610 mm o c.
Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies.
