1 Hour Rated Roof Assembly

V337 2 hour interior wall assembly ul design no.

1 hour rated roof assembly.

These listings are short summaries to serve as a. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 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.

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. In fact there is no. Is this possible without using channels and what ul number would i use.

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. Ibctable 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. American softwood lumber standard ps 20. Assemblies are provided in.

Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. See full report for details. I am looking for a 1 hour roof ceiling assembly for wood truss construction. 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.

No minimum joist size is given except that it needs to be adequate for structural loads. With 1 25 mm type s drywall screws 12 305 mm o c. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. 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. Ul does not appear to list an assembly as described. Concrete with cellular steel 3 hr. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 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. Generic fire rated assembly listing construction elements 1 5 hr rating 1 hour notes 1. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

2 hour exterior wall assembly ul design no.