1 Hour Fire Rated Roof Assembly

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

1 hour fire rated roof assembly.

Concrete with cellular steel 3 hr. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. 15 9 mm t g plywood floor sheathing. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

Table 1 one hour fire rated loadbearing wood frame wall assemblies. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. 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. 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.

2x4 16 o c. 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. 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.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr. See full report for details.

Assembly rated class a roof coverings are those that meet class a standards when combined with other elements. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. Rating also applies with 5 8 15 9 mm fire shield c kal kore plaster base. 3 mineral wool batts.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 5 8 type x gypsum wallboard h. Urb concealed grid system and tile. Sheathing on both sides.

2 fire rated wood frame wall and floor ceiling assemblies.