1 Hour Roof Assembly

With 1 2 wood structural panels with.

1 hour roof assembly. Base layer attached with 1 25 mm type s 12 corrosion resistant bugle head screws 8 203 mm o c. Floor or roof fire notes 1. See full report for details. Assemblies are provided in.

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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 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. Two layers 5 8 15 9 mm densglass fireguard sheathing applied vertically to min.

Concrete with cellular steel 3 hr. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Floor or roof 1 hour.

Assemblies include ducts dampers lighting or other fixtures in the tested assembly. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project.

Is this possible without using channels and what ul number would i use. 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. 1 one hour and two hour rated assemblies that may be used in the roof cavity and that may be constructed with gable end frames.

One hour roof ceiling assembly. American softwood lumber standard ps 20. No minimum joist size is given except that it needs to be adequate for structural loads. Face layer attached with 1 5 8 41 mm type s 12 corrosion resistant bugle head screws spaced 8.

Urb concealed grid system and tile. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. Helpful documents and resources for usg s roof assemblies can be found on this page. 3 1 2 89 mm corrosion resistant 20 gauge 30 mils steel studs 24 610 mm o c.