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GA-600-2006 FIRE RESISTANCE DESIGN MANUAL 135 • ROOF-CEILING SYSTEMS GA FILE NO. RC 2606 PROPRIETARY' 1 HOUR fir WOOD ROOF TRUSSES,RESILIENT CHANNELS,GLASS OR FIRE MINERAL FIBER INSULATION,CEILING DAMPER,GYPSUM WALLBOARD One layer We"proprietary type X gypsum wallboard or gypsum veneer base applied at right _ angles to resilient furring channels 12" o.c. with les" Type S drywall screws 8" o.c. \` Gypsum board end joints attached with screws 8"o.c. to additional pieces of channel 60"long located 3"back on either side of end joint. Resilient channels applied at right ``� angles to bottom chord of pitched wood trusses 24"o.c.with l Vs"Type S or W screws. ON Glass fiber or mineral fiber ban or loose fill insulation applied directly over gypsumboard. kt upporting len" or to bussessses withs 6d ring shank plywood d12""Oo.a. Optiona roof althing ceilingplied at d damperht angles(refer to 1�111 lBully/tag.: l manufacturer for information on the type of damper). 11.1 O ! PROPRIETARY GYPSUM BOARD American Gypsum Company - es"FireBloc®Type C Approx,Ceiling Temple-Inland Forest Products Corporation - s/s"TG-C Weight 3 psf Fire Test: UL R14196(R6937,R10583) 04NK25585, 1-15-05, UL Design P545 GA FILE NO. RC 2607 PROPRIETARY' 1 HOUR WOOD ROOF TRUSSES,RESILIENT CHANNELS,GLASS FIBER FIRE OR SPRAYED CELLULOSE FIBER INSULATION,CEILING DAMPER,GYPSUM WALLBOARD One layer We proprietary type X gypsum wallboard or gypsum veneer base applied at right angles to resilient furring channels 16" o.c. (12" o.c. when Insulation Is draped over `_` _ channels or sprayed directly over gypsum board)with 1"Type S drywall screws 12"o.c. "\` Gypsum board end joints attached with screws 6"o.c.to additional pieces of channeltill 60"long located 3"back on either side of end Joint. Resilient channels applied at right "-. angles to bottom chord of pitched wood trusses 24"o.c.with i Vs"Type S screws.Glass nsh fiber bad iaatbn secured to wood structural panels or draped over channels, or NI IIInnIticellulose d on ded htover tou Trussesm board. supporting 1, ' ,, 11'1 •;skucural panels applied at right angles trusses with construction adhesive and 6d 11111, '� ring shank nails 12"o.c. Optional ceiling damper(refer to manufacturer for information on the type of damper). PROPRIETARY GYPSUM BOARD AWeig Ceiling eght: 3 psf United States Gypsum Company - es"SHEETROCK®Brand FIRECODE®C Fire Test: UL R1319,98NK41378, Core Gypsum Panels 11-20-98, UL Design P522 GA FILE NO. RC 2750 I GENERIC J 2 HOUR GYPSUM WALLBOARD,RIGID FURRING CHANNELS FIRE WOOD JOISTS or WOOD IJOISTS,ROOF COVERING Bass layer se"type X gypsum wallboard applied at right angles to either 2 x 8 wood joists or 91/2"deep wood I-joists 24"o.c.with 11/Type W drywall screws 12"o.c.Second layer W type X gypsum wallboard applied at right angles to Joists or I-joists with 2"Type W drywall screws 12"o.c. Second layer Joints offset 24"from base layer joints.Third r'I in layer We"type X gypsum wallboard applied at right angles to joists or 1-joists with 2+/2' Type W drywall screws 12"o.c.Third layer joints offset 12"from second layerjoints.Hat- shaped rigid furring channels 24"o.c.applied at right angles to joists or I-joists over third layer with two 21/2"long Type W drywall screws at each Joist or I-joist. Face layer es" Approx.Ceiling type X gypsum wallboard applied at right angles to furring channels with ive Type S Weight: 12 psf drywall screws 12" o.c. Wood joists or I-joists supporting 3/7' T 8 G edge plywood Fire Test: UL R4024,00NK26545. applied at right angles to Joists or I-Joists with 8d nails 6" o.c. at Joints and 12° at 4-27-01; intermediate joists or Hoists. Appropriate roof covering. Gelling provides two-hour UL R4042,03NK11206, Sre-resistance protection for wood framing. 3-19-03; UL Design L556; ULC Design M514 •n =c th= a uf=ct re • 0 - d= :'le. i fo a ion o rie - Product 1.: P •P s. , 7,