1 Hour Fire Rated Roof Assembly

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

1 hour fire rated roof assembly.

See full report for details. 15 9 mm t g plywood floor sheathing. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. Table 1 one hour fire rated loadbearing wood frame wall assemblies.

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. 3 mineral wool batts. Rating also applies with 5 8 15 9 mm fire shield c kal kore plaster base. Assemblies rated from both sides.

Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. Assembly rated class a roof coverings are those that meet class a standards when combined with other elements. For example shake roofing with a fire retardant treatment rates class b on its own but achieves a class a rating when combined with specified underlying materials such as type 72 roll roofing material. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. 2 fire rated wood frame wall and floor ceiling assemblies. 5 8 type x gypsum wallboard h. Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr.

With 1 2 wood structural panels with. Generic fire rated assembly listing construction elements 1 5 hr rating 1 hour notes 1. Fire safety caution passing a fire test in a controlled laboratory setting and or certifying or labeling a product as having a one hour two hour or any other fire resistance or protection rating and therefore as acceptable for use in certain fire rated assemblies systems does not mean that either a particular assembly system. Sheathing on both sides.

Concrete with cellular steel 3 hr. 2x4 16 o c. Ibc table 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.

Urb concealed grid system and tile.