Residential 1 Hour Fire Rated Wall Detail

6 usg fire resistant assemblies test certification 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.

Residential 1 hour fire rated wall detail. 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. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. Ss 104 1 hour partition to steel deck. 1 hour rated exterior fire wall zero lot line applications description.

Wallboard and one hour rated exterior doors and jambs. The 2018 international residential code irc details the fire resistance requirements for z lot projects. Cornices are built up with 2x12s and 2x8s and covered with 1 in. 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.

The class a fire retardant roof tiles are plugged with metal bird stop. 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. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. To the closest interior lot line.

Type x gypsum board is wallboard to which non combustible fibers have been added. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Descriptions of successfully tested i joist floor as. Two hour fire rated chase wall applied parallel to a double row of 1 5 8 metal studs 24 o c.

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. Wallboard is the minimal requirement on interior walls and ceilings bui opted for 5 8 in. American softwood lumber standard ps 20. 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.

To the centerline of a street an alley or public way. To an imaginary line between two buildings on the lot. These listings are short summaries to serve as a.