12TH EDITION 09 20 00/NGC National Gypsum Construction Guide ® HOW TO USE THE NATIONAL GYPSUM COMPANY GYPSUM CONSTRUCTION GUIDE NATIONAL GYPSUM PRODUCTS FOR ALL YOUR TRADEMARKS BUILDING NEEDS Your National Gypsum Company “Gypsum Construction The following names are trademarks owned by National Guide” has been carefully developed to provide you with a Gypsum Company or its subsidiary, National Gypsum comprehensive guide to the entire range of National Gypsum Properties, LLC: products. We have attempted to give you the most accurate, DURABASE® KAL-KOTE® up-to-date information in a clear, concise, easy-to-read DURASAN® KAL-MESH® format. Because it is important for us to ensure our guide is ® ® user-friendly, we welcome your comments. Please write EASY FINISH MULTI-FLEX us at: National Gypsum Company Technical Services EDGE GRIPTM NGC® Department, 2001 Rexford Road, Charlotte, N.C. 28211 or EXCELLENCE ACROSS 1-800 NATIONAL® ® call 1-800-NATIONAL (1-800-628-4662) U.S.A. or Canada. THE BOARD PERFECT SPRAY® 2 For your easy reference and accessibility to this information, we e XP™ PERMABASE® ® have placed all of our Sweet’s material in this section. For a E-Z STRIP PERMABASE FLEX® complete copy of our literature call 1-800-NATIONAL. ® FIRE-SHIELD PROFORM® TM FIRE-SHIELD C SEASPRAY MVR® CAD DRAWINGS AND SPECIFICATIONS ® GOLD BOND SHAFTLINER® ® To assist you in your design process, all CAD drawings and GOLD BOND 54 SHAFTLINER XP® specifications are available at www.nationalgypsum.com. ® GRIDMARX SOUNDBREAK™ Computer aided design (CAD) drawings are in DXF, DWG and ® GRIDSTONE STA-SMOOTH® GIF file formats. Specifications are in CSI three-part format and ® CSI page format. Additional specification options are provided in GYPSOLITE TRIPLE-T® ® Masterspec and Manu-Spec. HIGH FLEX ULTRATM ® HI-ABUSE UNI-KAL® ® HI-IMPACT X-KALIBUR® ® KAL-KORE XP® KAL-KORNER BEAD® SUB-SECTION HEADING Each product in the section will be Suspended Metal Lath Ceilings designated with a sub-section heading on the appropriate pages. DESCRIPTION Metal lath suspensions are should be installed around commonly made below the periphery. virtually all types of Metal Lath is frequently used construction for fire-rated for furred as well as and non fire-rated plaster suspended ceilings. ceilings. Framing of 1 1/2" C.R. channels are spaced Metal lath is used for furring up to 4' o.c. perpendicular from wood, concrete and to joists and are cross- steel joists. furred with 3/4" C.R. RECOMMENDATIONS GRAPHICS, ILLUSTRATIONS AND channels spaced according 1. Control joints should be to specifications for types installed in ceilings without PHOTOGRAPHY and weight of metal lath. perimeter relief with a max- Lath is then properly imum distance between Each product grouping is lapped at sides and ends such joints of 30' with a and tied every 6" to the maximum undivided area full of informative graphics and 3/4" channel. of 900 sq. ft. With perime- Where it is advisable to install ter relief, maximum dis- photography as a visual aid in unrestrained ceilings, tance is 50' with maximum having perimeters undivided area of 2500 identifying products, uses and separated from adjacent sq.ft. COLOR ARROW HEAD walls or partitions, 2. Use three-coat plastering on galvanized casing beads installation. Indicates next topic metal lath. for a product, i.e. TECHNICAL DATA Description, SIZE AND SPACING OF CHANNEL FOR SUSPENDED CEILINGS SIZE AND SPACING OF CHANNEL FOR FURRED AND SUSPENDED CEILINGS Technical Data, Center to Main Channel Center Spacing Size of (weight Maximum 3/4" (19.0 mm) C.R. Channel Maximum Details, of Hangers Cold Rolled per 1000 ft.) Center to Center Center to Center Cross Furring 300 lbs. Furring Along Channel Channel (305 M) Spacing of Channel Spacing of Hangers (136 kg)/1000 ft. (305 M) Spacing Specifications, up to 3' 1 1/2" 475 lbs. 4' up to 3' (914 mm) 3/8" (9.5 mm) rib lath 24" (610 mm) (914 mm) (38.1 mm) (216 kg) (1219 mm) up to 3' (914 mm) 3.4 lb. (1.5 kg) flat rib lath 19" (483 mm) Recommendations, up to 3'6" (1067 mm) 3.4 lb. (1.5 kg) mesh lath 16" (406 mm) up to 3'6" 1 1/2" 475 lbs. 3'6" up to 4' (1219 mm) 2.5 lb. (1.1 kg) mesh lath 12" (305 mm) Installation. (1067 mm) (38.1 mm) (216 kg) (1067 mm) up to 4' 1 1/2" 475 lbs. 3' (1219 mm) (38.1 mm) (216 kg) (914 mm) MAXIMUM SPACING OF SUPPORTS FOR METAL LATH Support Weight of Lath Type of Lath Spacing lbs. per sq. yd. (kg/m2) Diamond Mesh (flat expanded) 16" (406 mm) 3.4 (1.9) Flat Rib 16" (406 mm) 2.75 (1.5) 19" (483 mm) 3.4 (1.9) DETAILS 3/8" (9.5 mm) Rib 24" (610 mm) 3.4 (1.9) HANGER WIRE 3/4" C.R. CHANNEL HANGER WIRE 1 1/2" C.R. CAD DRAWINGS CHANNEL These drawings are included where 3/4" C.R. CHANNEL appropriate to assist architects and 1 1/2" C.R. 1 1/2" C.R. TIE WIRE CHANNEL CHANNEL specifiers with detailed drawings. GYPSUM PLASTER GYPSUM 66 CASING BEAD PLASTER PAGE NUMBER FLEXIBLE DUST SEAL METAL LATH NO. 15 FINISHED WALL LINE 66 CASING BEAD EXPANSION JOINT METAL LATH SUSPENDED METAL LATH AT WALL (UNRESTRAINED) LIGHTING TROFFER 09210K SUSPENDED METAL LATH CONTROL JOINT 09210O 09210M Scale: 3" = 1'-0" Scale: 1 1/2" = 1'-0" Scale: 3" = 1'-0" 40 NATIONAL GYPSUM CONVENTIONAL PLASTER SYSTEMS ® National Gypsum Company Headquarters 2001 Rexford Road SUB-SECTION NAME CAD DRAWING FILE Charlotte, North Carolina 28211 Repeats the name of the NUMBER (704) 365-7300 current sub-section. Internet - www.nationalgypsum.com COPYRIGHT 2008 NATIONAL GYPSUM COMPANY GENERAL REFERENCE National Gypsum Company is a fully integrated manufacturer GENERAL and supplier of building and construction products worldwide. REFERENCE Our primary emphasis is on Gold Bond® BRAND gypsum board, ProForm® BRAND joint treatment products, PermaBase® BRAND cement board, and gypsum plaster systems. Based in Charlotte, NC, the privately held National Gypsum Company operates more than 40 facilities throughout the U.S. and Canada. Charlotte, North Carolina, is the home of the new National Gypsum Company. TABLE OF CONTENTS Product Specification Directory .........................................................................3 09 29 00 Hi-Impact® BRAND XP® Gypsum Board.........................................81 Sound and Fire Rated Assemblies ......................................................................8 09 29 00 SoundBreak™ Gypsum Board ....................................................84 Quick Selector for Fire and Sound Rated Systems..............................................9 09 29 00 Gridstone BRAND Ceiling Panels...................................................86 Gypsum Plaster Partitions – Metal Lath.........................................................11 09 29 00 Gridstone BRAND Cleanroom Ceiling Panels ...............................87 Plaster Fireproofing Columns (10WF40 or heavier)......................................12 09 29 00 Gridstone® BRAND Hi-Strength Ceiling Panels .............................88 Plaster Fireproofing Beams (8WF24 or heavier) ...........................................12 09 29 00 Gold Bond® BRAND Foil Back Gypsum Board .............................89 Veneer Plaster Partitions – Wood and Steel Framing....................................12 09 29 00 Gypsum Systems Nonload-Bearing Steel Frame Partitions .........90 Gypsum Board Partitions – Wood Framing (Load-Bearing)..........................12 09 29 00 Drywall Metal Framing ...............................................................93 Gypsum Board Partitions – Steel Framing.....................................................14 09 29 00 Accessories .................................................................................94 Gypsum Board Partitions – Steel Framing (Load-Bearing) ............................18 09 29 00 Steel Frame Ceilings/Furring Channels or Studs...........................99 Gypsum Board Partitions – Durasan Prefinished Gypsum Board..................18 09 29 00 Wood Frame Walls and Ceilings ..............................................101 Gypsum Board Partitions – Solid..................................................................19 09 29 00 Resilient Furring Channel Construction ....................................106 Gypsum Board Partitions – Shaftwalls, Area Sep. Walls...............................20 09 29 00 Gypsum Board Over Masonry .................................................108 Gypsum Board Column Fireproofing............................................................21 09 29 00 Solid Laminated Partitions.........................................................110 Gypsum Board Beam Fireproofing...............................................................22 09 29 00 ProForm® BRAND Joint Treatment ...............................................112 Gypsum Board Floor/Ceilings – Wood Framing...........................................22 09 29 00 ProForm® BRAND Texture Products .............................................115 Gypsum Board Roof/Ceilings – Wood Framing ...........................................23 09 29 00 Levels of Gypsum Board Finish.................................................118 Gypsum Board Floor/Ceilings – Steel Framing .............................................24 09 21 16.23 Cavity Shaftwall Systems...........................................................123 Gypsum Board Roof/Ceilings – Steel Framing..............................................26 09 21 16.23 Horizontal Shaftwall Duct and Ceiling Assemblies...................137 Gypsum Board Horizontal Shaftwall Duct Protection..................................26 09 21 16.33 H-Stud Area Separation Wall System ........................................139