2 Hour Fire Rated Drywall Ceiling Assembly

Title ul design head of wall firestop system page 106 109 85 86 87 re 101 repair of fire rated gypsum board partitions sn 103 sn 102 sn 101 sound ratings for 1 hour partitions sound ratings for 2 hour partitions sound ratings for shaftwall partitions.

2 hour fire rated drywall ceiling assembly. Mount a 1 1 2 inch fiberglass barrier inside the studs. 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. Or 3 5 8 inch 610 mm steel studs spaced 24 o c. Assemblies rated from both sides.

Use special fiberglass rated for use in firewalls. Type x fire rated gypsum drywall that is 5 8 inch 15 9mm thick and installed on each side of nominal 2 inch x 4 inch 38x89mm wood studs spaced 16 inch 400mm o c. In new construction the entire floor assembly is often use to achieve the rating. Sheathing on both sides.

5 8 toughrock fireguard c gypsum board or 5 8 densarmor plus fireguard c gypsum panel ul g505 only applied perpendicular to rigid furring channels 24 610 mm o c. Rated steel beam assemblies. Steel stud partitions with framing 24 o c. Drywall end joints located midway between continuous channels and attached to additional pieces of channel 62 1575 mm long with screws 12 305 mm.

Steel stud chase walls. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Ceiling provides two hour fire resistance protection for wood framing where that note is included the entire rating is provided by the gypsum and you don t need a particular floor. 2x4 16 o c.

However the gypsum association manual has a new note for certain assemblies. Fc series floor ceiling assemblies fc 201 2 hour floor ceiling assembly g514 detail no. Use steel studs and two layers of 1 2 inch type c drywall on each side of the studs for a two hour fire rating on an interior wall. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Urb concealed grid system and tile. Steel stud partitions with framing 16 o c. With 1 25 mm type s drywall screws 12 305 mm o c.

The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. 2 fire rated wood frame wall and floor ceiling assemblies. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Fire sound selector.

Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes. Concrete with cellular steel 3 hr. Wood stud partitions with framing 16 o c. Type c fire rated drywall sometimes referred to as improved.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. 5 8 type x gypsum wallboard h 2 6 type s drywall screws 12 o c.