1 Hour Rated Roof Assembly

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

1 hour rated roof assembly.

Concrete with cellular steel 3 hr. 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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 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.

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. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly.

American softwood lumber standard ps 20. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Is this possible without using channels and what ul number would i use. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

Urb concealed grid system and tile. No minimum joist size is given except that it needs to be adequate for structural loads. See full report for details. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies.

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. Assemblies are provided in. With 1 25 mm type s drywall screws 12 305 mm o c. With 1 2 wood structural panels with exterior glue applied at right angles to top of joist or top chord of trusses with 8d nails.

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. Ibctable 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. 2 hour exterior wall assembly ul design no.

These listings are short summaries to serve as a. Generic fire rated assembly listing construction elements 1 5 hr rating 1 hour notes 1. Ul does not appear to list an assembly as described. In fact there is no.

Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.