1 Hour Rated Wood Roof Assembly

In addition sbca s metal plate connected wood truss handbook is a comprehensive reference book that contains information about.

1 hour rated wood roof assembly.

Concrete with cellular steel 3 hr. With 1 2 wood structural panels with. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. See full report for details. Table 1 for one hour rated wall assemblies and table 2 for two hour 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.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm. 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. Fire resistance rated truss assemblies.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Urb concealed grid system and tile. One hour roof ceiling assembly. 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.

These listings are short summaries to serve as a. Wood truss council of america floor or roof fire notes 1. 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. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

American softwood lumber standard ps 20. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. No minimum joist size is given except that it needs to be adequate for structural loads. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c.

Ul p533 roof ceiling one layer 5 8 15 9 mm fire shield c ga rc 2603 wallboard attached to 1 2 12 7 mm resilient furring channel spaced 12 o c. For details about rated truss assemblies see sbca research report 1509 01. There is no tested assembly that matches in all regards. Descriptions of successfully tested i joist floor as.