13-748-023w. Furring Channels -Fbmed of No. 25 MSG gulv steel. 2-3/8 ix wide by
70 in. deep, spaced max. 24 in. OC perpendicular to studs. Channels
secured to studs as described in Item b. Gypsum board installed
BXUKU415 Rm Resistance Ratings 263 vertically only and attached to furring channels as desohbod in Item 3.
UL Online Certifications DirecturyCCD Home 0uick Guide Contact Um ULcom b. Steel Framing Members* -Used to attach furring channels (Item 2Do)
8XL&U415 to studs (Item 2 or 2AA. Clips spaced max. 24 in. QC, and secured to
Fire Resistance Ratings - ANSI/UL 263 studs with No. 8 x 1-/2
in. minimum self-drilling, S-12 ofwm{ mumw
through the center grommet. Furring c6onnu\n are friction fitted into
Sae Qennm| |ufonno§un for Fire Resistance Ratings - ANSI/UL 263 Clips.
Design No. U415 PAC INTERNATIONAL INC --Type R8C-1-
February 20. 2009
Nnnbaohng Wb|| Ratings --1, 2, 3 or 4 Hr
�fei�nm � - � Bm' 3' Gypsum Bpord* --�psum liner punu)m. mum 1 |n. thick, 24 in' or 600 mm
' (fur metric spacing) wide. 9onm|m cut 1 in. less in length than floor to
/--`�
ceiling h�ght ` VorUoo| edges inserted in ~H° portion of "C -H" H" studs or ihm @ ; gap between the two 3/4 in. |mgm of the "E" studs. Rao edge of end panels
attached to long hg of vnrUuo| T - runners with 1-5/8 |n. long Typo S
steel morowm spaced not greater than 12 in. DC. When wall height exceeds
finer panel length, liner panel may be butted to extend to the full height
of the wall. Horizontal joints need not be backed by steel framing In
r~/ System i, butt joints in liner panels are staggered min 36 (n, Butt joints
/llodz*nul Section - backed with G 8n. by 22 in. strips of 3/4 in, thick gypsum wallboard (Item
--------------- W. Wallboard strips centered over butt joints and 000ued to liner punu|m
Sy$tern. If - 2 D with six 1-1/2 in. |nn§ Typo C atmd screws, three oorevo along the 22 in.
dimension at the b9 and bottom of the mbipm-
(l
CANADIAN GYPSUM COMPANY -Type SLX
UNITED STATES GYPSUM CO --Type SLX
USG MEXICO S A DE C V -Type SLX
S�et��z � \�r. 4 um Board" -
~ System A - 1 8r
Gypsum punob, with beveled, uquunm or tapered edges, nom 5/8 in, thick, 48
in. or 1200 mm wide, applied vertically or bodizootaUy, attached to studs
77' nr-
w0h Y in. long Type S steel screws spaced 12 in. when installed vertically
^ or 8 in OC when installed horizontally. Horizontal joints need not be backed
by steel framing.
0ZZ t�l� CANADIAN GYPSUM COMPANY -Types AR, C, |P-AR. |P-X1, |P-X3' |PC-AR, SCX^
S8X, WRC, V��%
- opr;z°,`tul Section -
sy"5i�uo 0 1-1 r' UNITED STATES GYPSUM CO --TypemAR, C, FRX-G. iP-A8. |P-X1, |P-%2, \PC-AR,
' SC%,SH%,WRC°0RX, USGX.
24 o bp rfft mot OX,
USG WB0CU SA0E C V --TypnoAR. C. |P-AR. |P-X1. |P-X2, |PC-A8. SCX. SHX.
' WRC,WRX
<0J System in'
thick, 48 in. or 1200 mm wide, applied vertically or horizontally in two
Sv�t�nz � � ���- mym� mm�mu�e o�g �W l m. m�a
- screws spaced 24 in, DC when installed *urUuuly or 16 in. 0C when
installed horizontally. Outer or hzco layer attached to studs with 1-5/8 in'
24 in, 600 mm OX long Type S steel screws spaced 12 in. OC when lnoto!|*d vertically and
staggered 12 in. from base layer screws or 0 in. 0C when installed
horizontally and staggered B in. from bovw layer screws. Horizontal joints
'
between inner and outer layers staggered o min of 12 in. Hodzonbz) joints
need not be backed by steel homing. Vertical ' 'niobs centered over �r ntudo and
staggered 24 in. .
lyo i ,nLa)_Ser/io«�_ -- CANADIAN GYPSUM COMPANY-1/2 in. Type C, |P-X2` |PC-AR mrWRC; 5/8 in.
Types AR, C. |P-AR, |P-X1, |P-X2, |PC-&R, SCX, SHX, VRC, 00X
Sys teIi i F H r.
UNITED STATES GYPSUM CO l in. Types C.|P-X2,|PC-AR, in.
Types AR, C` FRX-G, |P-/R, |P-X1. |P-X2. |PC-AR, SCX. SHX, WRC, Y0X
24 in. or 600 Max 0C
USG MEXICO SA OE C V--1 C` IP-X2 IPC-AR orWRC 5/8 in. Types
AR, C, IP-AR, IP-X1, )P-X2. IPC-AR, SCX, SHX, WRC, WRX
Horizontal Secticit)
�-' ---------------' System C - 2 Hr
Gypsum pono|s, with bovn|od, mquono or tapered edges, nom 3/4 in. thick, 48
System G - 3 111'. |o. or 1200 mm wide, applied vertically or horiznntmily, ueoum1 with 1-1/4
in. long Type S steel uomno spaced B in' OC along vertical edges and 12 in.
OC in the field when inotuUo6 vertically or 8 in. 8C along the vertical
edges and in the field when installed horizontally. Horizontal jointo need
not be backed by steel framing. Screws along side joints offset 4 in.
- Requires min 4 yn' deep homing per Items 1, 2 and 3. Requires min 3 in.
thick mineral wmu| bnMo per |hum G,
---^-`c�� 0QN0NW GYPSUM COMPANY -Types (P-X3. or ULTRACODE
UNITED STATES GYPSUM CO -Types |P-X3, or ULTRACODE
S�eLens B - 3 Mc.
USG MEXICO S A QE C V -Types IP-X3 or ULTRACODE
System D - 2 Hr
Gypsum panels, with beveled, tapered
in. or 1200 mm wide, applied vertically or horizontally, attached directly
to studs with 1 in. long Type S steel screws spaced 24 in. when installed
A vertically or 16 in. OC when installed horizontally. . Horizontal joints
' steel framing. . -^ 1/2 or - 5/8 in-
thick memenUGoum boukm, units per Item 7 and min 1-1/2 in- think mineral
wool boMs pr |b:m 8.
Sjrste�� � - � �{r. CANADIAN GYPSUM COMPANY -Types AR, C, |P-AR. iP-X1, |P-X2, |PC-AR. SCX.
- SHX, 00C° WRX
2A ln OC.
UNITED STATES GYPSUM CO --T«pomAt C. FRX-G, |P-AR, |P-X1, |P-X2, /PC-AR,
SCX, SHX, WRC, &RX, USGX.
USG MEXICO S 4DE C V--Typeo AR, C, |P-AR, |P-X\. |P-X%, |PC-AR. SCX, SRX^
4'�. ��C 00X
��� "
System E - 2 Hr
1, Floor, Floor, Side and Ceiling Runners -7J~ - shaped runner, min 3-1/2 in. deep Gypsum ponels, with bmveed, square or tapered edgem, nom in.
(min 4 7n. deep when System C is osed), with unequal legs of 1 in. and 2 thick, 48 in' or 1200 mm wide, applied wmrUcu|� or bwdzou oduchpd'
in, fabricated from min 24 MSG /min 20 MSC when Item 4A or 7 are used) golv to studs with 1 in. long Type S steel mcnmwm spaced 12 in. 0C when installed
steel. Runners positioned with short leg toward finished side of wo|i vertically or 8 in, when installed horizontally. Hn6xunto| joints oumd not
Runners oMoohod to mbnc(uml supports with mtmd fasteners located not be booked by steel framing.
greater than 2 ;n, from ends and not greater than 24 in' OC. "E~ - shaped CANADIAN GYPSUM COMPANY Types C. |P-%2. |PC-AR; 5/8 in. Types AR,
studs (Item 2A) may be used on side runners in p|oom of ~J~ - shaped C, |P-A8^ |P-X1, |p-X2, |PC-/R. SCX. SH%, 0RC. WRX
runners.
2. Steel Studs --~C-H" - shaped studs, min 2-1/2 in. deep (min 4 |n. deep
when System C is used), fabricated from min 25 MSG (min 20 MSG when Items UNITED STATES GYPSUM CO in. Types C, |P-X2, |PC-/R; 5/8 |n. �pco AR.
JD^ 5C. or 7 � 'o� dnei Cut to lengths 3/8 t' 1/2 in. less than C, FRX-G^ |p-AB. |P-X1` |p-X2, |PC-AR, SCX. SHX` 00C, WR%
floor-to-coiKog height and spaced 24 in. or GDU mm DC.
2A. Steel Studs -(Not Shown) -~E~ - shaped studs |nmto||od book to book in
USG MEXICO S A DE C V -1/2 in. Types C, |P-X2
, [PC-AR; 5/8 in. Types AR, C. p|o«e of ^C-H" - - hoped du- a (Item %j ~E" - shaped studs secured together iP-AR " |P X1 , |P X2 " |PC-AR, SCX ' SHX ` WRC ' WRX
with steel oormwo spaced o maximum 12 in. DC. Fabricated from min 25 MSG
min 20 MSG when Item 20 or Item 7 in used) gmlv steel, min 2-1/2 in. deep
/min 4 in. deep when System C is uuod\, with one leg 1 in, long and two legs System F _ 2 Hr
3/4 in. long. Shorter }ngm 1 in. apart to mugoQe gypsum liner panels. Cut to Gypsum panels, with bewu|ad, square or tapered edges, nom \` /2 in. or 5/8 in.
lengths 3/8 to 1/2 in. less than floor to ceiling heights. thick, 40 in. or 1200 mn wida, applied vertically in two layers. Inner or
2B. Furring Cbonnu|u -(Optional, out shown) --Fo, use with o�g� or double b�� k�wr o�omhod to n�i�umt furring channels
`(Item 2B) with 1 in. long layer systems. Resilient furring channels fobricoted from min 25MSG Typo S steel screws spaced 24 in. 0odwr or face layer attached to
resilient
corrosion protected steel, installed horizontally, and spaced vertically o furring ohunna|u (Item 28) with 1-5/8 |m. long Type S steel screws spaced 12
max 24 in. OC. Flange portion of channel attached to each intersecting ~C-H~ in. 0C and staggered 12 in. from base layer mnepo- Joints between inner and
or "E~ stud on side of stud opposite the 1 in. liner ponn|a with 1/2 in, outer layers staggered 24 in.
long Type S or S-12 pan-head steel screws. When furring channels uno used, CANADIAN GYPSUM COMPANY -1/2 in. Type C. |P-X2° |PC-AR ur WRC; 5/8 in.
wallboard to be installed vertically ooko Not to be used with Type FRX or Types AR, C, FRX-G" }P-AR, |P-X1. |P-X2, |P2-AR, SCX, SHX, N0C, VM7X
FRX-C gypsum wmUhoond (Item #A or oemen8Uouo backer units (Item 7).
2C. Furring Channels --Fur use with System | - *Hot* - shaped, 25 MSG guh
steel furring channels attached directly UNITED STATES GYPSUM CO in. Typo C, |P-X2, |PC-AR or 00C; 5/8 in.
to each stud with 2 in. long Type 5 pan head atoy| aonoom. Screws o|tomote Types AR, O, FRX-C' |P-AR. }P-X1` iP-X2. |PC-AR. SCX` SHX, WRC. YNRX
from top flange to bottom flange at each stud intersection. Furring ohonnn|u
opooad vertically mom 24 in. OC.
2D. Sbm| Framing Members* -(Optional, nnt uhnwo\ -For use with single or USG MEXICO S A DE C V --1/2 in. Typo C" |P-X2, [PC-AR or WRC; 5/8 in. Types
double layer systems. Furring channels and Steel Framing Members as AR, C, |P-AR, |P-X1, |P-X2, IPC-AR, SCX, SHX, WRC, 0R%
described below. Not to be used with Type FRX or FRX-C gypsum woUbnuu1
(Item 4A0 or mmmouUUomo backer units (Knm 7):
System G - 3 Hr
Gypsum panels, with beveled, square or tapered edges, nom 5/8 in. thick, 48
in. or 1200 mm wide, applied vertically or horizontally in three layers.
Inner or base layer attached to studs with 1 in. long Type S steel screws
spaced 24 in. OC when installed vertically or 16 in OC when installed
horizontally. Middle layer attached to studs with 1-5/8 in. long Type S
steel screws spaced 24 in. when installed vertically or 16 in. OC when
installed horizontally. Outer or face layer attached to studs with 2-1/4 in.
long Type S steel screws spaced 16 in. when installed vertically or 12 in.
OC when installed horizontally. Screws offset 6 in. from layer below.
Horizontal joints on adjacent layers staggered a min of 12 in. . Horizontal
joints need not be backed by steel frominq. Vertical joints centered over
studs and staggered 24 in. on adjacent layers.
CANADIAN GYPSUM COMPANY -Types C, IP-X2, IPC-AR, WRC
UNITED STATES GYPSUM CO -Types C. IP-X2, |PC-AR. WRC
USG MEXICO S A DE C V - Typmo C, |P-X2, |PC-/R, WRC
System H - J Hr
Gypsum panels, with bmm|ed, square or tapered edges, nom 5/8 in. thick, 48
in' or 1200 mm widm, applied vertically or bndrwntn|ly, two layers over the
flange of the ~C~ umu6uu of the siuds, one layer over the flange of the °H~
omuOun of the studs. Inner or b000 layer attached to studs with 1 in. long
Typo S steel screws spaced 24 in. OC when installed vertically or 16 in. DC
when iomto}|wd horizontally. Face layer uMouh*d to studs with 1-5/8 (n.
long Typo S steel screws spaced 18 in. when installed wmrUcu|ly or 12 in,
VC when installed horizontally. Screws offset 6 in. from layer below.
Horizontal joints on adjacent layers staggered a min of 12 in. Horizontal
joints need not hm backed hysteel framing. Vertical joints centered over
studs and staggered 24 in. on adjacent layers.
CANADIAN GYPSUM COMPANY -Types O. |P-X2. |PC-AR, WRC
UNITED STATES GYPSUM CO -Types C, /P-X2, )PC-AR. WRO
USG MEXICO S ADE C V-Typeu O, )P-X2, |PC-NR, WRC
System / - 4 Hr
Gypsum panels, with beveled, oquuna or tapered wdgao' nom 3/4 in- thick, 4
ft wide (or 1200 mm for metric spacing) wallboard with square or tapered
edges. Total of four layers to be used. First and second (inner) layers
applied vertically or horizontally over the steel studs. Horizontal joints
need not be backed by steel framing. When applied vertically, joints
centered over studs and staggered min 24 in., otherwise all joints staggered
min 12 in. First layer secured to studs with 1-1/4 in. long Type S
self-drilling, self-topping bugle-head steel screws spaced 24 in. OC. Second
layer secured to studs with 2-1/4 in. long Type S self-drilling,
self-tapping bugle-head steel screws spaced 12 in. OC. Third layer applied
vertically over the furring channels (Item 2C) with a 1-1/4 in. long Type S
self-drilling, self-topping bugle-head steel screws spaced 12 in. OC. Fourth
layer applied vertically or ho6zontolly with 2-1/4 in. long Type S
self-drilling, self-tapping bugle-head steel screws spaced 12 in. OC. When
applied vertically, joints to be staggered min 24 in. from third layer,
otherwise all joints staggered min 12 in.
CANADIAN GYPSUM COMPANY -Types IP-X3, or ULTRACODE
UNITED STATES GYPSUM CO -Types |P-X], or ULTRACODE
USG MEXICO S A DE C V -Types |P-%J. or ULTRACODE
4A_ Gypsum Board* --(As an o|tnmobr to Item 4 Systems A. 8, C. D. E, F, G.
H, and | when used as the boma kmor, For dined attachment only) - Nom 5/8
in. thick |ood houknd gypsum panels with beveled, square or tapered edgey,
oppried vertically. Vertical joints centered over studs and staggered min 1
stud cavity on opposite sides of etodu' Wallboard secured to studs with
1-14 in. long Typo 5-12 obe| oomnn spaced 8 in. OC at perimeter and 12
in. OCin the field.
RAY-BAR ENGINEERING CORP -Type RB-LBQ
5. Joint Tope and Compound -(Not Shown)
Systems & 8, C^ E. F, G. H. !
Joints on outer layers of gypsum boards (Item 4 covered with paper
tape and joint compound. Paper tape and joint compound may be omitted when
gypsum boards are supplied with square edges. Exposed screw buudm ommrod
with joint compound.
G. Botts and Blankets* --
(Optional) -Mineral wool or glass fiber botts partially or completely
filling stud cavity. Any ninmno| nou| or g|oxo fiber butt mineral bumhog
the UL C|onm0uo600 Marking as to Rm Resistance.
Systems C&D
Min 3 i (System C) and min 1-1/2 in. (System D) thick mineral woo/ boMo.
friction 6bud between the studs and floor and ceiling runners.
THERMQl8ER INC --Typo 5AFB
8. Laminating Adhesive* Not Shawn)-Used to bond outer layer
of CemenUtioum Backer Units (Item 7) to inner layers of Gypsum Board (Item
4) in System D. ANSI A1361 Type 1 organic adhesive applied with 1/4 in.
uquuom notched trowel. See Adhesives (BY0R) in the Rno Resistance 0mdo,y
or Adhesives /8JLZ\ in the Building Wote6u|o Directory for names of
Classified companies.
Q, bmud 8uttno Strips -/Not Shown, For Use With Item 4A0 - Lead batten
strips, min 1-1/2 in. wide, max 10ft long with o max thickness ofB-125in.
Strips p|uood on the interior face of studs and attached from the exterior
foun of the stud with two 1 in. long Type S-12 pan head steel scpewo, one at
the top of the strip and one at the bottom of the strip. baod batten strips
to have u purity of 9$.9% meeting the Federal specification UO-L-201f, Cmdw
~C~. Lead batten mb6pm required behind vyrtico| ioiio\a of iood backed
gypsum wallboard Atom and optional at remaining stud |ucoU*no.
Required behind vertical joints.
1U. Lead Discs or Tabs -(Not Shown, For Use With Item 4) - Used in lieu of
or in addition to the |nod boban strips (Item B) or optional (it other
|ucobonu - Max 3/4 |n. diom by max 0.125 in. thick lead discs compression
fitted or adhered over steel momw hao6m or in. by 1-1/4 in. by max
0.125 in, thick |umd tubs placed on gypsum boards (Item 4A) underneath aomw
|ncuUunu prior to the installation of the screws. Laud discs or tabs to
have o purity of 99.9% meeting the Federal specification 00-L-201f. Grade
"C°-
*Bearing the UL C|oma|fiuu0no Worh
Lost Updated on 2009-02-20
Desig0�x����~���� 0�@�� 00������
n m����� �����m��
September 3O,ZO10
Bearing Wall Rating--3 HR.
Nonbearing Wall Rating --3 HR.
Load Restricted for CanadianAppUicatimms - -See GuideBXUV7
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