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Design No. U419
<br />WOOD'TRUSSES, GYPSUM WALLBOARD
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<br />November- 14, 2007
<br />Nonbearing Wall Ratings — 1, 2, 3 or 4 Hr (See Items 4 & 5)
<br />1. Floor and Ceiling Runners — (Not shown) — For use with Item 2 - Channel shaped, fabricated
<br />from ruin 25 MSG corrosion -protected steel, min width to accommodate stud size, with min i in. long
<br />legs, attached to floor and ceiling with fasteners 24 in. OC max.
<br />lA. Floor and Ceiling Runners* — Not shown - In lieu of Item 1 — For use with Item 2Ar
<br />proprietary channel shaped, min. 3-5/8 In. wide with 1 in. long legs, fabricated from min. 0.0150 in.
<br />(0.0146 in., min bare metal thickness) galvanized steel, attached to floor and ceiling with fasteners 24
<br />in. OC max.
<br />DIETRICH INDUSTRIES INC — UltraSTEEL@,
<br />1B. Floor and Ceiling Runners — (Not shown - In lieu of Item 1) — For use with Item 2A,
<br />proprietary channel shaped, min, 2-9/16 in, wide with 1-3/16 in, wide flanges, fabricated from min
<br />0,0150 in, galvanized steel, attached to floor and ceiling fasteners 24 in. OC, max,
<br />DIETRICH INDUSTRIES INC — UltraSTEELO,
<br />2. Steel Studs — Channel shaped, fabricated from mein 25 MSG corrosion -protected steel, min width
<br />as indicated under Item 5, min 1-1/4 in. flanges and 1/4 in. return, spaced a max of 24 in. OC. Studs
<br />to be cut 3/8 to 3/4 in. less than assembly height.
<br />2A. Steel Studs* — In lieu of Item 2 - Proprietary channel shaped studs, min, width as indicated
<br />under Item 5, min. 1-1/4 in. long legs and 1/4 in, long folded back return flange legs, fabricated from
<br />min. 0,0155 in. (0,0149 in,, min bare metal thickness) galvanized steel, spaced a max of 24 im OC,
<br />Studs to be cut 3/8 to 3/4 in, less than assembly height. Allowable use of studs is shown in the table
<br />below. For direct attachment of gypsum board only.
<br />DIETRICH INDUSTRIES INC — UltraSTEEL(r0,
<br />2B. Steel Studs — (As an alternate to Item 2, For use with Item 513) Channel shaped, fabricated
<br />from min 20 MSc- (0,0327 in, thick) corrosion -protected or gale steel, 3-1/2 in. min width, min 1-1/2
<br />in, flanges and 1/4 in, return, spaced a max of 16 in. OC. Studs friction -fit into floor and ceiling
<br />runners. Studs to be cut 518 to 3/4 in, less than assembly height.
<br />3. Wood Structural Panel Sheathing — (Optional, For use with Item 5 Only.)- (Nat Shown) - 4 ft
<br />wide, 7/16 in. thick Oriented strand board (OSB) or 1-5/32 in. thick structural 1 sheathing (plywood)
<br />complying with DOC PS1 or PS2, or APA Standard PRP-108, manufactured with exterior glue, applied
<br />horizontally or vertically to the steel studs. vertical Joints centered on studs, and staggered one stud
<br />space from wallboard joints. Attached to studs with flat -head self -drilling tapping screws with a min.
<br />head dam. of 0.292 in. at maximum 6 in, OC. in the perimeter and 12 in. OC, in the field.
<br />4. Batts and Blankets* — (Required as indicated under Item 5) — Mineral wool batts, friction fitted
<br />between studs and runners. Min nam thickness as indicated under- Item 5. See: Batts and Blankets
<br />(BKNV or 02J2) Categories for narnes of Classified companies.
<br />4A. Batts and Blankets' — (Optional) — Placed in stud cavities, any glass fiber or mineral wool
<br />insulation bearing the UL Classification Marking as to Surface Burning Characteristics andfar Fire
<br />Resistance. See Batts and Blankets (BKNV or B2I2) Categories for names of Classified
<br />companies,
<br />5. Gypsum Board* — Gypsum panels with beveled, square or tapered edges, applied vertically or
<br />horizontally. Vertical joints centered over studs and staggered one stud cavity on opposite sides of
<br />studs. Vertical joints in adjacent layers (multilayer systems) staggered one stud cavity. Horizontal
<br />joints need not be backed by steel framing. Horizontal edge joints and horizontal butt joints on
<br />opposite sides of studs need not be staggered. Horizontal edge joints and horizontal butt joints in
<br />adjacent layers (multilayer systems) staggered a min of 12 in. The thickness and number of layers
<br />for the 1 hr, Z hr, 3 hr and 4 hr ratings are as follows:
<br />Wallboard Protection on Each Side of Wall
<br />Min
<br />Min
<br />Stud
<br />Stud
<br />Depth,
<br />Depth,
<br />Rating
<br />Item 2
<br />Item 2A
<br />1
<br />3-1/2
<br />3-5/6
<br />1
<br />2-112 '
<br />.3-5/6
<br />1
<br />i-5/8
<br />3-5/8
<br />--------..._.._._..................._.._.............._.........,................._..
<br />2
<br />1-5/8 i
<br />..._...................................
<br />2-112
<br />2
<br />1-5/6
<br />2-112
<br />.......... ...................._._.....__.....
<br />2
<br />3-1/2
<br />3-5/8
<br />3
<br />1-5/8 :;
<br />2-1/2
<br />3
<br />1-5/8 :;
<br />2-1/2
<br />3
<br />1-5/8
<br />2-1/2
<br />4
<br />4
<br />1-5/8
<br />2-1/2 j
<br />4
<br />2-1/2
<br />z 1/2
<br />No. of
<br />IMin
<br />Layers
<br />Thkns of
<br />& Thkns
<br />Insulation
<br />of Panel
<br />(Item 4)
<br />1 layer, 5/8 in, thick f
<br />Optional
<br />1 layer, 112 in. thick €
<br />1-1/2 in.
<br />1 layer, 3j4 in. thick
<br />... ........................... I .......... .......... ..... :...........................
<br />Optional
<br />_........................... .
<br />_.
<br />2 layers, 112 in. thick
<br />Optional
<br />Z layers, 518 in, thick
<br />..... ................... ........................ ..............<...........................................
<br />Optional
<br />I............
<br />1 layer, 3/4 in. thick is
<br />3 in.
<br />3 layers, 112 in, thick
<br />Optional
<br />2 layers, 3I4 in. thick
<br />Optional
<br />3 layers, 518 in. thick
<br />Optional
<br />4 layers, 5/8 in. thick i!
<br />Optional
<br />4 layers, 112 in. thick
<br />Optional
<br />Z layers, 314 in, thick '
<br />2 in.
<br />CANADIAN GYPSUM COMPANY — 1/2 in. thick Type C, IP-X2 or IPC-AP; WRC, 5/8 in. thick Type
<br />AR, C, IP-AR, IP-X1, IP-X2, IPC-AR, SCX, SHX, VrRX or WRC; 3/4 in. thick Types IP-X3 or
<br />ULTRACODE
<br />UNITED STATES GYPSUM CO — 1/2 in, thick Type C, IP-X2, IPC-AR or WRC; 5/8 in. thick Type
<br />SCX, SHX, WRX, IP-XS, AR, C, WRC, FRX-G, IP-AR, IP-X2, IPC-AR ; 3/4 in. thick Types IP-X3 or
<br />ULTP.ACODE
<br />USG MEXICO S A DE C V — 1/2 in. thick Type C, IP S{2, IPC-AR or WRC; 5/6 in, thick Type AR, C,
<br />IP-AR, IP-X1, IP-X2, IPC-AR, SCX„ SHX, WRX, WRC or, 3/4 in. thick Types IP-X3 or ULTRAsCODE
<br />When Item 7B, Steel Framing Members*, is used, Nonbearing Wall Rating is limited to 1 Hr. Min. stud
<br />depth is 3-1/Z in., min. thickness of insulation (Item 4) is 3 in., and two layers of gypsum board
<br />panels (1J2 in. or 5/3 in, thick) shall be attached to furring channels as described in Item b. One layer
<br />of gypsum board panels (112 in, or 5/8 in. thick) attached to opposite side of stud without furring
<br />channels as described in Item 6,
<br />5A, Gypsum Board* — (As an alternate to Item 5) — 5/6 in, thick, 24 to 54 in. wide, applied
<br />horizontally as the outer layer to one side of the assembly. Secured as described in Item 6.
<br />CANADIAN GYPSUM COMPANY — Type SHX.
<br />UNITED STATES GYPSUM CO — Type FRX-Gj SHE{,
<br />USG MEXICO S A DE C V — Type SHX.
<br />5B. Gypsum Board* — (As an alternate to Item 5 when used as the base layer on one or both sides
<br />of vaall, For direct attachment only, not to be used with Item 3) - Nom 5/8 in, thick lead backed
<br />gypsum panels with beveled, square or tapered edges, applied vertically. Vertical joints centered over
<br />studs and staggered min 1 stud cavity on opposite sides of studs, wallboard secured to studs with 1-
<br />1/4 in. long Type S-12 steel screws spaced 8 in, OC at perimeter and 12 in. OC in the field.
<br />RAY -BAR ENGINEERING CORP — Type RB-LBG
<br />€. Fasteners — (Not shown) — For use with Item 2 - Type S or 5-12 steel screws used to attach
<br />panels to studs (Item 2) or furring channels (Item 7). Single layer systems: 1 in. long for 1/2 and
<br />5/8 in. thick panels or 1-1/4 in. long for 3/4 in, thick panels, spaced 8 in, OC when panels are applied
<br />hori2ontally, or 8 in, OC along vertical and bottom edges and 12 in. OC in the field when panels are
<br />applied vertically. Two layer systems: First layer- 1 in. long for 112 and 5/3 in. thick panels or 1-1/4
<br />in. long for 3/4 in. thick panels, spaced 16 in. OC. Second layer- 1-5/8 in. long for 1/2 in,, 5/8 in,
<br />thick panels or 2-1/4 in, long for 3/4 in. thick panels, spaced 16 in. OC with screws offset 8 in. from
<br />first layer. Three -layer systems: First layer- 1 in. long for 1/2 in., 5/8 in. thick panels, spaced 24
<br />in. OC. Second layer- 1-5/8 in. long for 112 in., 5,/8 in. thick panels, spaced 24 in. OC. Third layer- 2-
<br />1/4 in. long for 1/2 in., 5/8 in. thick panels or 2-5J6 in. long for 5/8 in. thick panels, spaced 12 in, OC.
<br />Screws offset min 6 in, from layer below, Four -layer systems: First layer- 1 in, long for 1/Z in,, 5/0
<br />in, thick panels, spaced 24 in, OC. Second layer- 1-5/6 in, long for 1/2 in,, 5/6 in. thick panels,
<br />spaced 24 in. OC. Third layer- Z-1/4 in, long for 112 in. thick panels or 2-5/8 in, long for 5/6 in. thick
<br />panels, spaced 24 in, OC. Fourth layer- 2-5/8 in. long for 1J2 in. thick panels or � in. long for 5/8 in.
<br />thick panels, spaced 12 in, OC. Screws offset min 6 in, from layer below.
<br />6A. Fasteners — (Not shown) —For use with Item 2A - Type S or S-12 steel screws used to attach
<br />panels to studs (Item 2). Single layer systems: 1 in, long for 1/2 and 5/6 in. thick panels or 1.1/4
<br />in. long for 3/4 in. thick panels, spaced 8-1/2 in, CC with additional screws 1 ire, and 2-1/2 in. from
<br />edges ofthe board when panels are horizontally, or 8 in. OC along vertical and bottom edges and 12
<br />in. OC in the field Yvhen panels are applied vertically. Two layer systems applied vertically: First
<br />layer- 1 in. long for 112 and 5/8 in, thick panels a:r 1-1/4 in, long for 3/4 in, thick panels, spaced 16 in,
<br />OC, Second layer- 1-5/8 in. long for 1/2 in,, 5/8 in. thick panels or 2-1/4 in, long for 3/4 in, thick
<br />panels, spaced 16 in. OC with screws offset 6 in. from first layer, Trio layer systems applied
<br />horizontally: First layer- 1 in. long for 1/2 and S/8 in, thick panels or 1-1/4 in. long far 3/4 in, thick
<br />panels, spaced 16 in. OC starting 8 in. from each edge of the board with an additional screw placed 1-
<br />1/4 in. from each edge of the board. Second layer- 1-S/8 in. long for 1/2 in,, 5/8 in. thick panels or 2-
<br />1/4 in, long for 3/4 in. thick panels, spaced 16 in. OC starting 8 in. from each edge of the board with
<br />an additional screw placed 1-1/4 in. from each edge ofthe board with screws offset 8 in. from first
<br />layer, Three -layer systems: First layer- 1 in. long for 1/2 in., SJ8 in, thick panels, spaced 24 in,
<br />OC, Second layer- 1-5/8 in, long for 112 in., 5J8 in, thick panels, spaced 24 in. OC, Third layer- 2-1/4
<br />in, long for 1/2 in., 518 in. thick panels or 2-5/8 in. long for 5/8 in. thick panels, spaced 12 in. OC.
<br />:screws offset min 6 in. from layer below, For all layers, an additional screw shall be placed 1-1/4 in.
<br />from each edge of the board. Four -layer systems: First layer- 1 in. long for 1/2 in,, 5/8 in. thick
<br />panels, spaced 24 in, OC. Second layer- 1-5/0 in. long for 112 in., 5/8 in. thick panels, spaced 24 in.
<br />OC, Third layer- Z-1J4 in. long for 1/Z in. thick panels or 2-5/8 in. long for 5/8 in. thick panels, spaced
<br />24 in. OC. Fourth layer- 2-5/8 in. long for 1/2 in. thick panels or 3 in. long for 5/8 in, thick panels,
<br />spaced 12 in. OC. Screws offset ruin 6 in. from layer below, For all layers, an additional screw shall be.
<br />placed 1-1/4 in. from each edge ofthe board.
<br />7. Furring Channels — (Optional, not shown, for single or double layer systems) — Resilient furring
<br />channels fabricated from min 25 MSG corrosion -protected steel, spaced vertically a max of 24 in, OC.
<br />Flange portion attached to each intersecting stud with 1/2 in, long Type S-12 steel screws. Notfor use
<br />with Item 5A.
<br />7A, Steel Framing Members (Nat Shown)" — (Optional on one or bath sides, not shown, for
<br />single or double layer systems) — As an alternate to Item 7, furring channels and Steel Framing
<br />Members as described below;
<br />a. Furring Channels — Formed of No, 25 MSG gale steel, 2-3/8 in. wide
<br />by 719 in. deep, spaced max. 24 in. OC perpendicular to studs. Channels
<br />secured to studs as described in Item b, Gypsum board attached to furring
<br />channels as described in Item 6. Not for use with Item 5A,
<br />b, steel Framing Members* — Used to attach furring channels (Item
<br />7Aa) to studs (Item 2). Clips spaced max, 48 in. OC, RSIC-1 clips secured
<br />to, studs with No. S x 1-1/2 in, minimum self -drilling, S-12 steel screw
<br />through the center grommet, RSIC-V clips secured to studs with No. 6 x
<br />9/16 in. minimum self -drilling, !3-12 steel screw through the center hole.
<br />Furring channels are friction fitted into clips.
<br />PAC INTERNATIONAL INC — Types RSIC-1, RSIC-V.
<br />78, Steel Framing Members (Optional, Not Shown)" — As an alternate to Item 7, furring
<br />channels and Steel Framing Members on only one side of studs as described below:
<br />a. Furring Channels — Forme-d of No. 25 MSG galy steel, spaced 24 in.
<br />OC perpendicular to studs. Channels secured to studs as described in Item
<br />b. Batts and Blankets placed in stud cavity as described in Item 5. Two
<br />layers of sum board attached to furring channels as described in Item S.
<br />Y gypsum 9
<br />Not for use with Item 5A.
<br />b. Steel Framing Members* — used to attach furring channels (Item
<br />713a) to one side of studs (Item 2) only, Clips spaced 46 in, OC., and
<br />secured to studs with two No. 8 x 2-1/2 in, coarse drywall screws, one
<br />through the hole at each and of the clip. Furring channels are friction fitted
<br />into clips.
<br />KINETICS NOISE CONTROL INC — Type Isomax
<br />6. Joint Tape and Compound — Vinyl or casein, dry or premixed joint compound applied in two
<br />coats to joints and screw heads of outer layers. Paper tape, nom 2 in. wide, embedded in first layer of
<br />compound over all joints of outer layer panels, Paper tape and joint compound may be omitted when
<br />gypsum panels are supplied with a square edge,
<br />9. siding, Brick or Stucco — (Optional, not sha:wn) — Aluminum, vinyl or steel siding, brick veneer
<br />or stucco, meeting the requirements of local code agencies, installed over gypsum panels. Brick
<br />veneer attached to studswith corrugated metal wall ties attached to each stud %Kith steel screws, not
<br />more than each sixth course of brick,
<br />10, Caulking and Sealants* — (Optional, not shown) — A bead of acoustical sealant applied around
<br />the partition perimeter for sound control.
<br />UNITED STATES GYPSUM CO — Type AS
<br />11, Lead Batten Strips — (Not Shown, For Use With Item 58) - Lead batten strips, min 1-1/2 in.
<br />wide, max 10 ft long with a may thickness of 0,125 in. Strips placed on the interior face of studs and
<br />attached from the exterior face of the stud with, two 1 in. long Type S-12 pan head steel screws, one
<br />at the top of the strip and one at the bottom of the strip. Lead batten strips to have a purity of 99.9%
<br />meeting the Federal specification QQ-L-201f, Grade "C`, Lead batten strips required behind vertical
<br />joints of lead backed gypsurn wallboard (Item 5B:) and optional at remaining stud locations. Required
<br />behind vertical joints.
<br />12, Lead Discs or Tabs — (Not Shown, For Use With Item 5B) - Used in lieu of or in addition to the
<br />lead batten strips (Item 11) or optional at other locations - Max 3/4 in. diam by max 0.125 in, thick
<br />lead discs cornpression fitted or adhered over steel screw heads or max 1/2 in. by 1-1/4 in. by max
<br />0.1.25 in. thick lead tabs placed on gypsum boards (Item SB) underneath screw locations prior to the
<br />installation of the screws. Lead discs or tabs to have a purity of 99.9°I meeting the Federal
<br />specification QQ-L-201f, Grade "C".
<br />*Bearing the UL Classification Mark
<br />Base l,rr type I1- u€� ;<s< 3;I1k,caardt�:id at rrr(�trrial to wood r<, t€�. 2"
<br />O.r,'. lwih 11 4" Type W or S drywall ter:€ vs 24" Face layer /s" t~y _' X '.` y su m.
<br />wallboard C r gyps.Irri verve-er ba e applied at right.a:ngles to: trusses meith Vfa Typt= W or
<br />S dry"vz ll sr:raves 12" ,c. at joints and r€ te; rrrrei ate: trusses and 1 r. Type G dr�vwall
<br />s revvs 12" ca. o..I''laced 2" bark on either .side ofend Joints. L. mats off 24" frorn bane
<br />layer Points- Wood trill. Ses s,r.,A..p.p ning t' �, wood stru-ctUral panels ai.pplied at eight angles
<br />to trusses with 8d nai-Is. Appropriate roof covering.,
<br />r.1:,prr: x. Ceilirr
<br />IvNe101'":it: 5 PSI`
<br />Fire Test FM FC 1 72; 2-:25-72":
<br />ITS, -et-
<br />EXISTING WOOD
<br />TRJSSES TO REMAIN
<br />FIB GAULK JOINTS
<br />WITH 3M CIF 25 W5+ OR
<br />APPROVED EQUAL-
<br />1-HOUR ASSEMBLY
<br />GA FILE *RC2602
<br />(2) LAYERS OF 5/8'
<br />GYPSUM BOARD.
<br />EXTEND 12' MIN. PAST
<br />WALLS.
<br />1-HOUR WALL
<br />ASSEMBLY
<br />UL fU419
<br />5/8' GYPSUM 51).
<br />ON EACH SIDE OF
<br />3-1/2' 20 Gel.
<br />METAL STUDS
<br />1(0O.G.
<br />FIRE CAULK JOINTS
<br />WITH 3M CP 25 W5+ OR
<br />APPROVED EQUAL
<br />EXIST. CONCRETE SLAB TO REMAIN
<br />NALL SECTION
<br />1.2 50ALE: 5/4" = 1'-0"
<br />4
<br />� GG SS LADL7)ER
<br />-1.2 SCALE: 5/4" = 1'-0"
<br />S'X6'x3/16"
<br />STEEL ANGLE
<br />1/2" RAMSET 1DYNA50LT J
<br />OR EQUAL - (2) PER
<br />BRACE j rr j
<br />e DETAIL.
<br />SCALE: I' = I'-0'
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<br />NORTH
<br />THIS IS "PLAN" NORTH
<br />FOR ACTUAL BUILDING
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<br />ORIENTATION REFER TO
<br />SITE PLAN (BY OTHERS)
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