1 Hour Rated Roof Assembly

Urb concealed grid system and tile.

1 hour rated roof assembly.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. V337 2 hour interior wall assembly ul design no. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 2 hour exterior wall assembly ul design no.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Concrete with cellular steel 3 hr. These listings are short summaries to serve as a. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.

American softwood lumber standard ps 20. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. Ibctable 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Assemblies are provided in. 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. 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.

Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. See full report for details. Ul does not appear to list an assembly as described. Is this possible without using channels and what ul number would i use.

No minimum joist size is given except that it needs to be adequate for structural loads. Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. 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. In fact there is no.

I am looking for a 1 hour roof ceiling assembly for wood truss construction. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. With 1 25 mm type s drywall screws 12 305 mm o c.

Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly.