1 Hour Rated Roof Assembly

Ul does not appear to list an assembly as described.

1 hour rated roof assembly.

Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. 2 hour exterior wall assembly ul design no. Assemblies are provided in. These listings are short summaries to serve as a.

I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. 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. I am looking for a 1 hour roof ceiling assembly for wood truss construction. V337 2 hour interior wall assembly ul design no.

With 1 25 mm type s drywall screws 12 305 mm o c. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Ibctable 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

Urb concealed grid system and tile. 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. 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. 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 section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly. American softwood lumber standard ps 20. 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.

Concrete with cellular steel 3 hr. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. Is this possible without using channels and what ul number would i use. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

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. Generic fire rated assembly listing construction elements 1 5 hr rating 1 hour notes 1. In fact there is no. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies.