1 Hour Rated Roof Assembly

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

1 hour rated roof assembly.

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. No minimum joist size is given except that it needs to be adequate for structural loads. 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.

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. See full report for details. 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.

These listings are short summaries to serve as a. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. Generic fire rated assembly listing construction elements 1 5 hr rating 1 hour notes 1. Assemblies include ducts dampers lighting or other fixtures in the tested assembly.

American softwood lumber standard ps 20. I am looking for a 1 hour roof ceiling assembly for wood truss construction. 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.

Ibctable 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Assemblies are provided in.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. V337 2 hour interior wall assembly ul design no.

Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. Urb concealed grid system and tile. Is this possible without using channels and what ul number would i use. 2 hour exterior wall assembly ul design no.

Concrete with cellular steel 3 hr.