Rated Suspended Roof Ceiling Assembly

Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.

Rated suspended roof ceiling assembly.

Deck construction type ul design number concrete thickness panel or tile size and type minimum panel or tile thickness maximum fixture penetration. Fire resistance assembly chart fire resistance. Roof floor ceiling time assembly ff file no. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

Suspended from 2. Roof ceiling drywall assemblies fire ratings specified in this section pertain to ul classifications which are based on standard test method ansi ul263 astm e11 9 ubc 7 1 nfpa 251 can ulc s101m floor ceiling drywall assemblies roof ceiling drywall assemblies type of construction maximum time rating hrs ulc design number concrete thickness. Floor ceiling. Search for georgia pacific assemblies by selecting an assembly type hourly rating stc rating or product type above or type part of a assembly name.

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. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. 2 x 8 16 o c span 12 live load 40 lbs w 3 4 t g plywood ceiling 1 2 non rated gwb. Fire resistance assembly chart.

54 1372 mm long located midway between continuous channels at end joints. Ibctable 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. 2 x 10 16 o c span 12 14 live load 40lbs w 3 4 wood sheathing ceiling 3 8 gwb. 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.

Reference fire resistive assemblies. Concrete with cellular steel 3 hr. Understanding how the nec regards suspended ceiling designs and supports is critical for proper design and installation of electrical wiring and equipment. Resilient channels 24 610 mm o c.

Two types of fire rated construction assemblies pertain to acoustical ceiling systems. Don t be left hanging. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

As a designer and installer you should know the fundamental differences between a suspended ceiling which is an integral part of a fire rated floor ceiling or roof ceiling assembly and the far more common non fire rated assemblies. Urb concealed grid system and tile.