Ul design u465 v438.
Residential 1 hour fire rated wall detail.
American softwood lumber standard ps 20.
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.
Type x gypsum board is wallboard to which non combustible fibers have been added.
Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.
These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.
Wallboard is the minimal requirement on interior walls and ceilings bui opted for 5 8 in.
Head of wall firestop system firestop sealant.
These listings are short summaries to serve as a.
1 hour rated exterior fire wall zero lot line applications description.
Ss 104 1 hour partition to steel deck.
The 2018 international residential code irc details the fire resistance requirements for z lot projects.
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.
To the closest interior lot line.
Fire separation distance fsd is he distance measured from the foundation wall or face of wall framing whichever is closer to one of the following.
Section 302 1 states that exterior walls within 5 feet of a property line or adjacent structure must have a fire resistance rating of at least 1 hour rated from both the interior and exterior.
Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies.
Two hour fire rated chase wall applied parallel to a double row of 1 5 8 metal studs 24 o c.
Cornices are built up with 2x12s and 2x8s and covered with 1 in.
Descriptions of successfully tested i joist floor as.
Wallboard and one hour rated exterior doors and jambs.
One hour fire rated chase wall 5 8 type x gypsum wallboard or veneer applied parallel to a 9 long runner pieces located at 1 3 points used as cross pairs with three 1 type s drywall screws at each end of brace.
