1 Hour Fire Rated Drywall Assembly

Table 1 one hour fire rated loadbearing wood frame wall assemblies.

1 hour fire rated drywall assembly. 2 fire rated wood frame wall and floor ceiling assemblies. Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes. This assembly is commonly used in 1 hour exterior walls along the property line including single family construction. Concrete with cellular steel 3 hr.

This assembly allows for 2x4 wall construction and is fire rated for 1 hour from 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. 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.

Drywall end joints located midway between continuous channels and attached to additional pieces of channel 62 1575 mm long with screws 12 305 mm. 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. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 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.

According to the book commercial drafting and detailing a typical one hour fire rated wall consists of 2x4 studs spaced 16 inches from the center of one stud to the center of the next covered by 5 8 inch type x gypsum board. Or 3 5 8 inch 610 mm steel studs spaced 24 o c. National gypsum company construction guide rev. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

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. Urb concealed grid system and tile. 2x4 16 o c.

Assemblies rated from both sides. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Type x gypsum board is wallboard to which non combustible fibers have been added. 07 2017 33 f ire sound selector general notes regarding fire rated assemblies 1.

Sheathing on both sides. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Title ul design head of wall firestop system page sw series shaftwall assemblies 09 21 16 23.