1 Hour Rated Wood Roof Assembly

These listings are short summaries to serve as a.

1 hour rated wood roof assembly.

Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 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. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. In addition sbca s metal plate connected wood truss handbook is a comprehensive reference book that contains information about.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. There is no tested assembly that matches in all regards. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Wood truss council of america floor or roof fire notes 1. 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. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly.

Fire resistance rated truss assemblies. With 1 2 wood structural panels with. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 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.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. See full report for details. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm.

No minimum joist size is given except that it needs to be adequate for structural loads. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. American softwood lumber standard ps 20. Urb concealed grid system and tile.

Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Wood joists supporting 1 25 4 mm nominal wood subfloor and 1 25 4 mm nominal wood finish floor or 19 32 15 1 mm plywood finished floor with long edges t g and 15 32 11 9 mm interior plywood with exterior glue subfloor perpendicular to joist with joints staggered. Descriptions of successfully tested i joist floor as. One hour roof ceiling assembly.