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6l25H 2 BXW.U4t 7-Fire Rssistence Ratings-ANSUUL 269
<br /> SIAM GYPSNM INDU81'RY(SARAaURI)CC L70 — Type EX-1
<br /> TEMPL.E-INLANP — Types TG-C, 7ype x, Veneer Plaster Bese-Type X, Water Rated-7ype X, Sheathing 7ype-
<br /> X, So4flt-Type x, GreenGlass Type X, Type X ComfortGuiro Sountl Deaden�ng Gypsum Board.
<br /> UNITED STATESOYPSUMCO —7ype AR, C, FCV, FRX-G, TP-AR, 1P-Xl, 1P•X2, IPC-AR, SCX, SGX, SHx, WRC,
<br /> W RX, USGX.
<br /> USGMEXICO 5A DE CV —7ype AR, C, iP-AR, IP-xl, 1P•X2, IPC-AR, SCX, SMX, WRC or WRx
<br /> 4A. Oypsum Board*� (AS an alternate t0 Icem 4) — Nom 3/4 in Chlck, installed as descriDed {n Icem 4 with
<br /> 1-1/4 in long Type S saews fo��nner layer and 2-]J4 in. lonQ Type 5 screws for outer layer
<br /> CGC INC—Types A0., IP-AR.
<br /> UNYTED STA'ieS GYPSUM 00 —Types AR, IP-AR
<br /> USG MEXICO S A PE C V —Types AR, IP-AR.
<br /> 48. Oypsum soard*— (As a� altamate t� Ttem 4 and 4A) —5/8 �n. thick, 24 to 5a in. wide, appliad
<br /> h0�lzontallY as the outer layer to one side of the assembly. Nor�zontal jolnn need not be backed by steei
<br /> Y�ming. Secured as destAbed in Item 4 forthe dlred attsched sVstem. when used in wlEchs otherthan 48
<br /> in., gypsum panels to be installed horizontally.
<br /> C6C INC—Type SMX.
<br /> CEKTAINTEED GV�SUM INC�Type X, Type C.
<br /> CERTAINTEED G1/PSUM CJINADA INC—TyOe X, Type C.
<br /> t�Ni7Ep STpTEg GYpSUM 00—Type SHX, FRX-G.
<br /> USG MEXICO S A DE C V —Type SHX.
<br /> 4C. Gypaun��oard*— (AS an 8laern8te tn IOems 4, 4A and 4B) —Two layers af 5/8 in. thldc gypsum bo8rd
<br /> applied hortzonta�ly or veRically. Inner layer attache4 m studs witfi No. 6 bV 1 in. long Tvpe S bugle head
<br /> screws speced 24 tn. OC abng the tOp and bottom tracks Starting 2 in, and then 12 in. from th0 veRicai
<br /> edge. Innar layer screws spaoed 24 in. OC along the studs, starUng Z in- and then 12 in, from the top and
<br /> bottom of the atuds a�d starting 1-1/4 in. from the horizontal joints when installed horizontauy• Outer layer
<br /> attached to studs with 1-5/8 in. long Type 5 bugle head strens spoced 16 ln. O[ alcng the top and bottom
<br /> tracks starting 1-3/4 in.from the vertieal edqe. OuCer layer screws spaced i6 in. �C along the studs, starti�g
<br /> 1-3/4 In. and the� 8 in. �rom the top and botRom of the sWds an0 starting 1-3/4 in. and then 8 in. Irom the
<br /> harizontel joints when i�stalled horizo�tally. Vercical�olnts ancered ove�studs and staggered one stud cavity
<br /> nn oppnsite iltles of studs Vertital joints in ad�acent layers staqgered orte scud cavity. Morixontal pinCS nead
<br /> nac be dadced by st�el framiny. Horizontal edge pints and horizontal butt joints on opposite sides of studs
<br /> need not be Sta9ge�+ed, Morizontal edge joints and horizontel hutt 3oints in adj�►cent lavers staggered e min
<br /> of 12 in. When outer teyers are irlslallBd horitontally,vinyl or caseln, dry or premixed�olnt COmpound shall
<br /> b¢ applied in twn coats to jotnts and screw heads of outer fayer. Paper tape, nom 2 in wide, embedded in
<br /> First layer of compound over all joints of outer IsYer panels. Nom 3/32 in. chidc gypsurn veneer plaster may
<br /> be applied to the entire surface of Classtfled veneer baseboard.Joints re�nforced.
<br /> GEORGIA-PACIFtC G1/PStJM�L C—Types 5, 9, C, DnP, DGG, DS.
<br /> 4D. Gyp9um Bwrd*� (��Shown� - (As an altemate to Item 4 w1�en used as Ne base Ibyer on one o�both
<br /> side5 of wa1t. for direet at[athment only tn steel studs Tter+n 2B) - Nom 5/8 in. thidc lead badcetl gypsum
<br /> panels with beveled, square ortapered edges, applied vertkally. VertiCe�Joints ce�ter�ed oversCuds and
<br /> scaggered rt+ln 1 stud cavity on opposite sldes of studs. Gypsum board secured to studs wlth 1-1/4 in- long
<br /> Type 5-12 stee�screws spaced B in. OC at pertmeber and iZ in. oC in the F�eld.
<br /> RA1I-sAR ENGiNEERING W RP —Type RB-L6G
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