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Geometrix™
Metal Ceiling Panels
Get in the Rhythm
Geometrix™ Metal Ceiling Panels provide a dynamic and versatile design element that can instill calm and serenity with quiet, simple lines or turn up the energy with taut angles and rhythmic patterns.
Offices
Lobbies
Conference Rooms
Schools
Retail
Hospitality
Entertainment
Health Care
Transportation Hubs
A Dramatic Statement
Geometrix™ Metal Ceiling Panels are 3-dimensional, lightweight aluminum panels that lend unique perspective and unexpected dimension to ceiling space. Offered in a variety of designs and in varying depths, the panels install easily into 9/16 narrow-profile and 15/16 standard suspension systems.
1 Geometrix MetalCeilingPanels
User’s Guide
Pages
UnderstandYourSystem 3 Overview
Components
DesignYourSystem 8 DesignTools
AcousticalPerformance
Fire-RatedPerformance
SpecifyYourSystem 18 ApplicationGuideSpecifications
ForMoreInformation TechnicalService 800USG.4YOU
WebSite usg.com
1 Geometrix MetalCeilingPanels
Panels The2x2GeometrixMetalCeilingPanelsareofferedinfourpaneldesignsandinvaryingpaneldepths.
Theprofilescanbecombinedtocreate3-Dpatternsorusedrandomlyfordimensionalvariety.Thelay-in
panelsareavailableintwostandardcolors:FlatWhiteandSilverSatin.Customcolorsareavailableon
request(nominimumrequired).Thepanelsareofferedinsolidmetalorinachoiceoffiveperforatedpatterns.
SuspensionSystems Thelightweight,lay-inpanelsinstallintonarrow-profileandstandardsuspensionsystemsandallowfull
ceilingaccessibility.
PerimeterDetails OptionalCompässo™EdgeTrimmaybeaddedforamorefinishedappearanceatexposededges.
(SeeIC400intheUSGSpecialtyCeilingsbinderformoreinformation.)
LightingandUtilityAccess GeometrixMetalCeilingPanelscanbespecifiedwithcustom-sizedandcustom-positionedpre-engineered
utilitycirclestoallowforeasyintegrationoflightingandutilities.
AcousticalPerformance PerforatedGeometrixMetalCeilingPanelscomestandardwithUSG’sACoustibond™factory-appliedbacker
forenhancedsoundperformance.
2 Geometrix MetalCeilingPanels
Geometrix™
Metal Ceiling Panels
2 Geometrix MetalCeilingPanels
System Overview
�Geometrix Metal Ceiling Panels are offered in four panel profiles: flat, wedge-shaped and wedge-shaped inside corners and outside corners. The flat panels come in a choice of four depths: 5/16, 1-1/4, 2-1/4 and 3-1/4. The wedge-shaped panels come in a choice of three depths: 1-1/4, 2-1/4 and 3-1/4.
Product Materials Panels:Aluminum.GeometrixpanelsmeetASTME84ClassArequirementsforSurfaceBurningCharacteristics.Information Suspensionsystem:Alldonn®Brand9/16CentriCitee,™Fineline®and15/16DX®profiles Edgetrimsystem:Paintedcoldrolledsteel
Finishes Geometrixpanelsareavailableinsolidmetalorinachoiceoffiveperforatedpatterns(C375,D250,D375,C062andC062A).AblackACoustibondbackerisincludedstandardwithallperforatedpanelsunlessotherwisespecified.TheACoustibondbackerisalsoavailableinwhite.(Seepage6formoredetails.)
Colors Standardcolors:FlatWhiteandSilverSatin.Customcolorsareavailableonrequest.
SizeandWeight Panels:2x2 Weight(for3 deepflatpanel):0.75lbs./sf.
Assembly Viewfrom Above
hanger wire
USG DONN suspension system
COMPÄSSO trim(optional)
GEOMETRIX wedge panel
3 Geometrix MetalCeilingPanels
4 Geometrix MetalCeilingPanels
System Components
5/16"
11/4" 11/4"5/16"
21/4" 21/4"5/16"
11/4"5/16"11/4"5/16"
PanelOptions Shapes �GeometrixMetalCeilingPanelscanbeusedinconjunctionwithstandardacousticalpanels,oranyother2x2lay-inpanelsfromUSGInteriors,tocreateanunlimitedrangeoftrulyone-of-a-kinddimensionaltreatments.
Usethefollowingselectorkeytospecifypanelsforyour�Geometrixceilingdesigns.
5/16 GeometrixFlat=GF-0PanelDepth
1-1/4 GeometrixFlat=GF-1 GeometrixWedge=GW-1PanelDepth
GeometrixOutsideWedgeCorner=GOC-1 GeometrixInsideWedgeCorner=GIC-1
2-1/4 GeometrixFlat=GF-2 GeometrixWedge=GW-2
5 Geometrix MetalCeilingPanels
31/4" 31/4"5/16"
PanelOptions 2-1/4 GeometrixOutsideWedgeCorner=GOC-2 GeometrixInsideWedgeCorner=GIC-2PanelDepth
3-1/4 GeometrixFlat=GF-3 GeometrixWedge=GW-3PanelDepth
GeometrixOutsideWedgeCorner=GOC-3 GeometrixInsideWedgeCorner=GIC-3
Colors FlatWhiteandSilverSatin.Customcolorsareavailableonrequest(nominimumorderrequired).
IntegratedLighting GeometrixMetalCeilingflatandwedgepanelscanbespecifiedwithcustom-sizedandcustom-positioned andUtilities pre-engineeredutilitycirclesforeasyintegrationoflightingandutilities.
UtilityCircleinSolidPanel UtilityCircleinPerforatedPanel
Y
X
hole diameter
side B
side D
side A
side C
Y
X
side B
side D
side A
side Chole diameter
21/4"5/16"21/4"5/16"
31/4"5/16"31/4"5/16"
6 Geometrix MetalCeilingPanels
D250 D375C375
C062 C062A
System Components
PanelOptions SolidorPerforated Geometrixpanelsareavailableinsolidmetalorinachoiceoffiveperforatedpatterns(shownbelowat50%size).
PatternNo.C375 PatternNo.D250 PatternNo.D375 Round—3/8perforations Square—1/4perforations Square—3/8perforations 1.125o.c.,9%openarea .75o.c.,11%openarea 1.125o.c.,11%openarea
PatternNo.C062 PatternNo.C062A Round—1/16perforations Round—1/16perforations .351o.c.,3%openarea .176o.c.,8%openarea
Acoustical PerforatedGeometrixMetalCeilingPanelscomestandardwithablack,factory-appliedUSGACoustibond
Performance backerforenhancedsoundperformance.TheACoustibondbackerisincludedonallperforatedpanelsunlessotherwisespecified.TheACoustibondbackerisalsoavailableinwhite.
Standard(withblackAcoustibondBacker) Optional(withoutAcoustibondBacker)
Suspension Thelightweight,durableGeometrixMetalCeilingPanelsinstallquicklyandeasilyintonarrow-profile(9/16)Systems CentriCitee(DXT),FinelineDXF,�Fineline1/8(DXFF)suspensionsystems,aswellasstandard(15/16) suspensionsystems.
EdgeDetails GeometrixPanelswith GeometrixPanelswith9/16 GeometrixPanelswith9/16 GeometrixPanelswith9/16 15/16 donnBrandDX donn Brandcentricitee(DXT) Fineline(DXF)Suspension Fineline(DXFF)Suspension Suspension Suspension
compässo™ Optionaledgetrimin2-1/4,4,6or8heightsmaybeaddedforamorefinishedappearance.EdgeTrim
DXorDXTProfile DXForDXFFProfile
Perimeter Non-Wallor“Floating” DXorDXTProfile DXForDXFFProfileDetails Condition
Wall DXorDXTProfile DXForDXFFProfile Condition
7 Geometrix MetalCeilingPanels
GEOMETRIX panel GEOMETRIX panel
DX or DXT tee DX or DXT tee
24" o.c. standard
DXF or DXFF tee
M7 or M9 wall molding
DX or DXT tee DX or DXT tee
24" o.c. standard
GEOMETRIX panel GEOMETRIX panel
DXF or DXFF tee
GEOMETRIX panel GEOMETRIX panel
DX or DXT teeDX or DXT tee
24" o.c. standard
COMPASSO edge trim
DXF or DXFF tee
8 Geometrix MetalCeilingPanels
Design Tools
Geometrix Metal Ceiling Panels can be designed using three interactive design tools: the Geometrix Online Designer, Geometrix CAD Blocks or the USG Design Wizard.
Geometrix GeometrixDXFBlocksofferdesignersasimple,timesavingmeansforcreatingGeometrixMetalCeilingPanelCADBlocks designsinmostCADsystems.TheDXFblocks,whichcanbedownloadedforfreefromtheOnline Toolssection
oftheUSGwebsite(usg.com),arecompatiblewithnearlyallCADsystems.
Flat GF-1 GW-2 GW-3 GF-0
Wedge GW-1 GW-2 GW-3
OutsideCorner GOC-1 GOC-2 GOC-3
InsideCorner GIC-1 GIC-2 GIC-3
Geometrix Thisinteractivedesigntool,availableintheOnline ToolssectionoftheUSGwebsite(usg.com),enablesOnlineDesigner architectsanddesignerstointuitivelydefine,createandviewmultipleGeometrixMetalCeilingPaneldesigns.
Userssimplydefinethedimensionsofadesiredceilingspaceandthendrop-and-dragGeometrixceilingpanelsinto2x2suspensionsystemmodules,whichareautomaticallycreatedwithinthedefinedspace.Panelscanberemovedorreconfiguredatwill—andit’salldoneontheInternetinrealtime.SelecteddesignscanbedownloadedandseamlesslyintegratedwithAutoCADandotherCADdesignsoftware.
O1 2
O 1 O 2 O 3
O 0
0 1
O 0
0 2
O 0
0 3
O 1
1 1
O 2
2 2
O 3
3 3
3
9 Geometrix MetalCeilingPanels
Geometrix OnlineDesigner
�USGDesign TheUSGDesignWizardisanintuitive,interactivesoftwaretoolthatenablesspecifierstoquicklygenerate3-DWizard designsfeaturingGeometrixMetalCeilingPanels,aswellasawiderangeofotheracousticalandspecialtyceiling
systemsfromUSGInteriors.TheDesignWizardintegratesseamlesslywithAutoCADRelease2000,2000i,2002andADT3.0toallowdesignerstoviewfull-color3-Ddesignsandcreatespecifications.
TheUSGDesignWizardcanbedownloadedforfreefromtheUSGwebsite(usg.com).Thedownloadisrecommendedforhigh-speedconnectionsonly.TorequesttheDesignWizardonCD,registeronlineorcontactUSG’sSampleandLiteraturedepartmentbycalling888.874-2450ore-mailingsamplit@usg.com.TheUSGDesignWizardHelpDeskcanbecontactedbycalling877.919.0546,[email protected].
10 Geometrix MetalCeilingPanels
Design Concepts
Basketweave PerspectivePattern
Geometrix Metal Ceiling Panels can be configured in a wide range of patterns and random designs. The illustrations in this section show some basic design concepts. Of course, these are just a few ideas. You’re only limited by your imagination.
Reference Point
Reference Point
ReflectedCeilingPlanUsingGeometrixCADBlocks
11 Geometrix MetalCeilingPanels
Coffered PerspectivePattern
Reference Point
Reference Point
ReflectedCeilingPlanUsingGeometrixCADBlocks
12 Geometrix MetalCeilingPanels
Design Concepts
Sawtooth PerspectivePattern
Reference Point
Reference Point
ReflectedCeilingPlanUsingGeometrixCADBlocks
Alternating PerspectiveSawtoothPattern
13 Geometrix MetalCeilingPanels
Reference Point
Reference Point
ReflectedCeilingPlanUsingGeometrixCADBlocks
Design Concepts
14 Geometrix MetalCeilingPanels
Checkerboard PerspectivePattern
Reference Point
Reference Point
ReflectedCeilingPlanUsingGeometrixCADBlocks
15 Geometrix MetalCeilingPanels
Pinwheel PerspectivePattern
Reference Point
Reference Point
ReflectedCeilingPlanUsingGeometrixCADBlocks
Design Concepts
16 Geometrix MetalCeilingPanels
Undulating PerspectivePattern
Reference Point
Reference Point
ReflectedCeilingPlanUsingGeometrixCADBlocks
17 Geometrix MetalCeilingPanels
Random Perspective
Reference Point
Reference Point
ReflectedCeilingPlanUsingGeometrixCADBlocks
18 Geometrix MetalCeilingPanels
Part1: 1.1 A. DrawingsandgeneralprovisionsoftheContract,includingGeneralandSupplementaryConditionsandGeneral RelatedDocuments Division1SpecificationSections,applytothisSection.
1.2 A. ThisSectionincludesaluminumacousticalmetalpansandexposeddirect-hungsuspensionsystemsforceilings. Summary B. RelatedSectionsincludethefollowing: 1. Division9–Section09250–GypsumBoard 2. Division9–Section09511–AcousticalPanelCeilings 3. Division15Sections–Mechanical 4. Division16Sections–Electrical C. Productsfurnished,butnotinstalledunderthisSection.
1.3 A. AC:ArticulationClass. Definitions B. NRC:NoiseReductionCoefficient. C. RecycledContent:Averagepercentagebasedonweightofcomponentmaterials.Materialrecoveredordiverted
fromthesolidwastestream,eitherduringthemanufacturingprocess(pre-consumer)orafterconsumeruse(post-consumer).
1.4 A. ProductData:Foreachtypeofproductindicated. Submittals B. CoordinateDrawings:Reflectedceilingplansdrawntoscaleandcoordinatingpenetrationsandceiling-mounted
items.Showthefollowing: 1. Ceilingsuspensionmembers. 2. Methodofattachinghangerstobuildingstructure. 3. Ceiling-mounteditemsincludinglightingfixtures,diffusers,grilles,speakers,sprinklers,accesspanels,andspecial
moldings. C. SamplesforVerification:Foreachcomponentindicatedandforeachexposedfinishrequired,preparedonSamples
ofsizeindicatedbelow. 1. MetalPan:Manufacturerstandardsamplesofeachtype,finish,color,pattern,andtexture.Showpanedgeprofile. 2. ExposedSuspensionSystemMembers,Moldings,andTrim:Setof12inchlongSamplesofeachtype,finish,andcolor. D. ProductTestReports:Basedonevaluationofcomprehensivetestsperformedbyaqualifiedtestingagency,for
eachacousticalpanelceilingandsuspensionsystem. 1. ULAcousticalCompliance:Foracousticalperformance,eachcartonofmaterialmustcarryUnderwriter’s
LaboratorycertificationforAC(ifapplicable),CACandNRC. 2. ULSuspensionSystemLoadCompliance:ManufacturermustcertifythatthemetalsuspensionsystemisUL
ClassifiedtobeloadcompliantperASTMC635.Forloadcompliance,eachcartonofmainteesmustcarryUnderwriter’sLaboratorycertificationforloadcompliance.
E. Research/EvaluationReports:Foreachacousticalpanelceilingandcomponents. F. MaintenanceData:Forfinishestoincludeinmaintenancemanuals.
1.5 A. SourceLimitationsforAcousticalMetalPanCeilings:Obtaineachsetofacousticalmetalpansandexposed QualityAssurance suspensionsystemsfromonesourcewithresourcestoprovideproductsofconsistentqualityinappearance,
physicalproperties,andperformance. B. Fire-Test-ResponseCharacteristics:Provideacousticalmetalpanceilingswithsurface-burningcharacteristics
complyingwithASTME1264forClassAmaterialsasdeterminedbytestingidenticalproductsperASTME84byULoranothertestingandinspectingagencyacceptabletoauthoritieshavingjurisdiction.
C. SeismicStandard:Provideacousticalmetalpanceilingsdesignedandinstalledtowithstandtheeffectsofearth-quakemotionsaccordingtothefollowing:
1. StandardforCeilingSuspensionSystemsRequiringSeismicRestraint:ComplywithASTME580. 2. CISCA’sRecommendationsforAcousticalCeilings:ComplywithCISCA’s“RecommendationsforDirect-Hung
AcousticalTileandLay-inPanelCeilings—SeismicZones0-2.”
Application Guide SpecificationsSection09514—AcousticalMetalPanCeilings
19 Geometrix MetalCeilingPanels
3. CISCA’sGuidelinesforSystemsRequiringSeismicRestraint:ComplywithCISCA’s“GuidelinesforSeismicRestraintofDirect-HungSuspendedCeilingAssemblies—SeismicZones3&4.”
4. UBCStandard25-2,“MetalSuspensionSystemsforAcousticalTileandforLay-inPanelCeilings.” D. Pre-installationConference:ConductconferenceatProjectsitetocomplywithrequirementsinDivision1Section
“ProjectManagementandCoordination.”
1.6 A. Deliveracousticalmetalpans,suspensionsystemcomponents,andaccessoriestoProjectsiteinoriginal, Delivery,Storage, unopenedpackagesandstoretheminafullyenclosed,conditionedspacewheretheywillbeprotectedagainst
andHandling damagefrommoisture,humidity,temperatureextremes,directsunlight,surfacecontamination,andothercauses.
1.7 A. EnvironmentalLimitations:Donotinstallacousticalmetalpanceilingsuntilspacesareenclosedandweather- ProjectConditions proof,wetworkinspacesiscompleteanddry,workaboveceilingsiscomplete,andambienttemperatureand humidityconditionsaremaintainedatthelevelsindicatedforProjectwhenoccupiedforitsintendeduse. 1. PressurizedPlenums:Operateventilationsystemfornotlessthan48hoursbeforebeginningacousticalpanel
ceilinginstallation.
1.8 A. Coordinatelayoutandinstallationofacousticalmetalpansandsuspensionsystemwithotherconstructionthat Coordination penetratesceilingsorissupportedbythem,includinglightfixtures,HVACequipment,fire-suppressionsystem, andpartitionassemblies.
1.9 A. Furnishextramaterialsdescribedbelowthatmatchproductsinstalledandthatarepackagedwithprotective ExtraMaterials coveringforstorageandidentifiedwithlabelsdescribingcontents. 1. AcousticalMetalPans:Full-sizeunitsequalto2.0percentofquantityinstalled. 2. SuspensionSystemComponents:Quantityofeachexposedcomponentequalto2.0percentofquantityinstalled. 3. Hold-DownClips:Equalto2.0percentofamountinstalled.
Part2: 2.1 A. InotherPart2articleswheretitlesbelowintroducelists,thefollowingrequirementsapplyforproductselection:Products Manufacturers 1. Products:Subjecttocompliancewithrequirements,provideoneoftheproductsspecified. 2. Manufacturers:Subjecttocompliancewithrequirements,provideproductsbythemanufacturersspecified.
2.2 A. AcousticalMetalPanStandard:Providemanufacturer’sstandardacousticalmetalpansofconfiguration AcousticalMetal indicatedthatcomplywithASTME1264classificationsasdesignatedbytypes,acousticalratings,andlight
CeilingPans reflectance,unlessotherwiseindicated.
1. MountingMethodforMeasuringNRC:TypeE-400;plenummountinginwhichfaceoftestspecimenis15-3/4inchesawayfromtestsurfaceperASTME795.
B. SheetMetalCharacteristics:FormetalfabricationsexposedtoviewinthecompletedWork,providematerialswithsmooth,flatsurfaceswithoutblemishes.Donotusematerialswithexposedpitting,seammarks,rollermarks,roughness,stains,ordiscolorations.
1. AluminumSheet:Roll-formedaluminumsheet,complyingwithASTMB209;alloyandtemperrecommendedbyaluminumproducerandfinisherfortypeofuseandfinishindicated.
C. PanFabrication:Manufacturer’sstandardunitsofsize,profile,andedgetreatmentindicated,formedfrommetalindicatedandfinishedtocomplywithrequirementsindicated.
1. Lay-inPans:Formedtosetinexposedsuspensiongrid. (Deletethefollowingparagraphifnon-perforatedpanelsareusedorsound-absorbinglayerisnotrequired.) D. Sound-AbsorbentFabricLayer:Providefabriclayer,sizedtofitconcealedsurfaceofpan,andconsistingof[black],
[white],nonwoven,nonflammable,sound-absorbentmaterialwithsurface-burningcharacteristicsforflame-spreadindexof25orlessandsmoke-developedindexof50orless,asdeterminedbytestingperASTME84.
1. Bondfabriclayertopanelsinthefactorywithmanufacturer’sstandardnonflammableadhesive.
2.3 A. Products: AluminumMetal USGInteriors,LLC,[Geometrix].
PansforAcoustical B. Classification:UnitscomplyingwithASTME1264for[TypeVII,perforatedaluminumfacing(pan)withmineral-
MetalPanCeiling
orglass-fiber-basebacking][TypeXX,othertypesdescribedasperforatedaluminumfacing(pan)units]
AMPC-[#] [TypeXX,othertypesdescribedasnonperforatedaluminumfacing(pan)units]<InsertTypeXXdescription>.
1. Pattern:[PerforationPatternC375],[PerforationPatternD250],[PerforationPatternD375],[PerforationPatternC062],[PerforationPatternC062A].
C. PanType:Lay-inpan. D. PanThickness:Notlessthan0.020minimum. E. PanEdgeDetail:[5/16Reveal][1-1/4Reveal][2-1/4Reveal][3-1/4Reveal]. F. PanProfileDetail:[Flat][Wedge][InsideWedgeCorner][OutsideWedgeCorner]. G. PanSize:24by24inches. H. PanFaceFinish:Paintedtomatchcolorindicatedbyproductdesignation. I. RecycledContent:Notlessthan90%.
2.4 A. MetalSuspensionSystemStandard:Providemanufacturer’sstandarddirect-hungmetalsuspensionsystems MetalSuspension oftypes,structuralclassifications,andfinishesindicatedthatcomplywithapplicablerequirementsinASTMC635.
Systems B. FinishesandColors,General:ComplywithNAAMM’s“MetalFinishesManualforArchitecturalandMetalProducts”
forrecommendationsforapplyinganddesignatingfinishes.Providemanufacturer’sstandardfactory-appliedfinishfortypeofsystemindicated.
C. AttachmentDevices:SizeforfivetimesthedesignloadindicatedinASTMC635,Table1,“DirectHung,”unlessotherwiseindicated.
1. AnchorsinConcrete:Anchorsoftypeandmaterialindicatedbelow,withholesorloopsforattachinghangersoftypeindicatedandwithcapabilitytosustain,withoutfailure,aloadequaltofivetimesthatimposedbyceilingconstruction,asdeterminedbytestingperASTME488orASTME1512asapplicable,conductedbyaqualifiedtestingandinspectingagency.
a.Type:Postinstalledexpansionanchors. b.Type:Postinstalledadhesiveanchors. c.CorrosionProtection:Carbon-steelcomponentszincplatedtocomplywithASTMB633,ClassFe/Zn5(0.005mm)
forClassSC1servicecondition. d.CorrosionProtection:Stainless-steelcomponentscomplyingwithASTMF593andASTMF594,Group1
alloy304or316forbolts;alloy304or316foranchor. e.CorrosionProtection:Componentsfabricatedfromnickel-copper-alloyrodscomplyingwithASTMB164for
UNSNo.N04400alloy. 2. Power-ActuatedFastenersinConcrete:Fastenersystemoftypesuitableforapplicationindicated,fabricated
fromcorrosion-resistantmaterials,withclipsorotheraccessorydevicesforattachinghangersoftypeindicated,andwithcapabilitytosustain,withoutfailure,aloadequalto10timesthatimposedbyceilingconstruction,asdeterminedbytestingperASTME1190,conductedbyaqualifiedtestingandinspectingagency.
D. WireHangers,Braces,andTies:Providewirescomplyingwiththefollowingrequirements: 1. Zinc-CoatedCarbon-SteelWire:ASTMA641/A641M,Class1zinccoating,softtemper. 2. Nickel-Copper-AlloyWire:ASTMB164,nickel-copper-alloyUNSNo.N04400. 3. Size:Selectwirediametersoitsstressatthreetimeshangerdesignload(ASTMC635,Table1,“DirectHung”)
willbelessthanyieldstressofwire,butprovidenotlessthan[0.106-inch][0.135-inch]diameterwire. E. [HangerRods][FlatHangers]:Mildsteel,zinccoatedorprotectedwithrust-inhibitivepaint.
Application Guide Specifications
20 Geometrix MetalCeilingPanels
F. AngleHangers:Angleswithlegsnotlessthan7/8inchwide;formedwith0.04-inchthick,galvanizedsteelsheetcomplyingwithASTMA653/A653M,G90coatingdesignation;withboltedconnectionsand5/16-inchdiameterbolts.
G. SeismicStruts:Manufacturer’sstandardcompressionstrutsdesignedtoaccommodateseismicforces. H. SeismicClips:Manufacturer’sstandardseismicclipsdesignedandspacedtosecureacousticalpanelsin-place. I. Hold-DownClips:Whereindicated,providemanufacturer’sstandardhold-downclipsspaced24incheso.c.
onallcrosstees. J. ExposedMetalEdgeMoldingsandTrim:Provideexposedmembersasindicatedorrequired[tocomplywith
seismicrequirementsofauthoritieshavingjurisdiction,]toconcealedgesofandpenetrationsthroughceiling,toconcealedgesofpansandrunners,forfixturetrimandadapters,forfasciaatchangesinceilingheight,andforotherconditions;ofmetalandfinishmatchingacousticalmetalpanceilingunits,unlessotherwiseindicated.
1. ForCircularPenetrationsofCeiling:Fabricateedgemoldingstodiameterrequiredtofitpenetrationexactly.
2.5 A. Products: MetalSuspension 1. USGInteriors,LLC,donn[DX][DXT][DXF][DXFF]suspensionsystem.
Systemfor B. Wide-Face,Capped,Double-Web,SteelSuspensionSystem:Mainandcrossrunnersrollformedfromcold-rolled
Acoustical
steelsheet,prepainted,electrolyticallyzinccoated,orhot-dipgalvanizedaccordingtoASTMA653/A653M,not
MetalPanCeiling
lessthanG30coatingdesignation,withprefinished15/16-inchwidemetalcapsonflanges. 1. StructuralClassification:[Intermediate][Heavy]-dutysystem. 2. EndConditionofCrossRunners:Override(stepped)type. 3. FaceDesign:Flat,flush. 4. CapMaterial:[Steel][Aluminum]cold-rolledsheet. 5. CapFinish:[Paintedwhite][Paintedincolorasselectedfrommanufacturer’sfullrange][Paintedtomatchcolorof
acousticalunit][Platedwithmetallicfinish,asselectedfrommanufacturer’sfullrange]. C. Narrow-Face,Capped,Double-Web,SteelSuspensionSystem:Mainandcrossrunnersrollformedfromcold-rolled
steelsheet,prepainted,electrolyticallyzinccoated,orhot-dipgalvanizedaccordingtoASTMA653/653M,notlessthanG30coatingdesignation,withprefinished9/16-inchwidemetalcapsonflanges.
1. StructuralClassification:[Intermediate][Heavy]-dutysystem. 2. EndConditionofCrossRunners:Override(stepped)type. 3. FaceDesign:Flat,flush. 4. CapMaterial:[Steel]cold-rolledsheet. 5. CapFinish:[Paintedwhite][Paintedincolorasselectedfrommanufacturer’sfullrange][Paintedtomatchcolor
ofacousticalunit][Platedwithmetallicfinish,asselectedfrommanufacturer’sfullrange]. D. Narrow-Face,Uncapped,Double-Web,SteelSuspensionSystem:Mainandcrossrunnersrollformedfromcold-
rolledsteelsheet,prepainted,electrolyticallyzinccoated,orhot-dipgalvanized,toproducestructuralmemberswith9/16-inchwidefaces.
1. StructuralClassification:[Intermediate][Heavy]-dutysystem. 2. FaceDesign:[With1/8-inchwide,slotted,box-shapedflange][With1/4-inchwide,slotted,box-shapedflange]. 3. FaceFinish:Painted[white][incolorasselectedfrommanufacturer’sfullrange][tomatchcolorindicatedby
manufacturer’sdesignation][tomatchcolorofacousticalunit]. 4. RevealFinish:Painted[white][black].
21 Geometrix MetalCeilingPanels
2.6 A. Manufacturers: MetalEdge 1. USGInteriors,LLC
MoldingsandTrim B. Roll-FormedSheet-MetalEdgeMoldingsandTrim:Typeandprofileindicatedor,ifnotindicated,manufacturer’s
standardmoldingsforedgesandpenetrationsthatfitacousticalpaneledgedetailsandsuspensionsystemsindi-cated;formedfromsheetmetalofsamematerial,finish,andcolorasthatusedforexposedflangesofsuspensionsystemrunners.
1. Forlay-inpanelswithrevealedgedetails,providesteppededgemoldingthatformsrevealofsamedepthandwidthasthatformedbetweenedgeofpanelandflangeatexposedsuspensionmember.
2. Forcircularpenetrationsofceiling,provideedgemoldingsfabricatedtodiameterrequiredtofitpenetrationexactly. 3. Fornarrow-facesuspensionsystems,providesuspensionsystemandmanufacturer’sstandardedgemoldings
thatmatchwidthandconfigurationofexposedrunners. C. CompässoSuspensionSystemTrim: 1. CompässoTrim:[2-1/4inch][4inch][6inch][8inch]wideface,9/16inchhorizontallegswithhemsformedfor
attachmenttotheCompässomountingclip;commercialqualitycold-rolled24-gaugesteel,factoryfinishedin[bakedpolyesterenamelpaintfinish],[color],painted[onexposedface][allaround–360°].
2. Spliceplate:Steelinfinishtomatchtrimpans;formedforsnap-fitinto[2-1/4inch][4inch][6inch][8inch]panends. 3. Attachmentclips:Hot-dippedsteelin[galvanizedfinish][finishtomatchpans]formedforsnap-fitinto[2-1/4inch]
[4inch][6inch][8inch]panattachedtodonn[DX][DXT][DXF][DXFF]suspensionsystemmembers. 4. 90°CornerTrimPieces:TomatchCompässotrim.
2.7 A. Products: Acoustical 1. AcousticalSealantforExposedandConcealedJoints:
Sealant a.UnitedStatesGypsumCo.;sheetroCkAcousticalSealant.
2. AcousticalSealantforConcealedJoints: a.Tremco,LLC;TremcoAcousticalSealant. B. AcousticalSealantforExposedandConcealedJoints:Manufacturer’sstandardnonsag,paintable,nonstaining
latexsealantcomplyingwithASTMC834andeffectiveinreducingairbornesoundtransmissionthroughperimeterjointsandopeningsinbuildingconstructionasdemonstratedbytestingrepresentativeassembliesaccordingtoASTME90.
C. AcousticalSealantforConcealedJoints:Manufacturer’sstandardnondrying,nonhardening,nonskinning,nonstain-ing,gunnable,synthetic-rubbersealantrecommendedforsealinginteriorconcealedjointstoreduceairbornesoundtransmission.
2.8 A. ComplywithNAAMM’s“MetalFinishesManualforArchitecturalandMetalProducts”forrecommendations Finishes, forapplyinganddesignatingfinishes.
General B. AppearanceofFinishedWork:Variationsinappearanceofabuttingoradjacentpiecesareacceptableiftheyare
withinone-halfoftherangeofapprovedSamples.Noticeablevariationsinthesamepiecearenotacceptable.VariationsinappearanceofothercomponentsareacceptableiftheyarewithintherangeofapprovedSamplesandareassembledorinstalledtominimizecontrast.
2.9 A. FinishdesignationsprefixedbyAAcomplywiththesystemestablishedbytheAluminumAssociationfor Aluminum designatingaluminumfinishes.
Finishes B. Color-CoatedFinish:Manufacturer’sstandardbakedpaintcomplyingwithcoatingmanufacturer’swritteninstructions
forsurfacepreparation,pretreatment,application,baking,andminimumdryfilmthickness.
Application Guide Specifications
22 Geometrix MetalCeilingPanels
Part3: 3.1 A. Examinesubstrates,areas,andconditions,includingstructuralframingtowhichacousticalpanelceilingsattachExecution Examination orabut,withInstallerpresent,forcompliancewithrequirementsspecifiedinthisandotherSectionsthataffect ceilinginstallationandanchorageandwithrequirementsforinstallationtolerancesandotherconditionsaffecting
performanceofacousticalpanelceilings. B. Proceedwithinstallationonlyafterunsatisfactoryconditionshavebeencorrected.
3.2 A. Measureeachceilingareaandestablishlayoutofacousticalpanelstobalanceborderwidthsatopposite Preparation edgesofeachceiling.Avoidusingless-than-half-widthpanelsatborders,andcomplywithlayoutshownon
reflectedceilingplans.
3.3 A. General:InstallacousticalpanelceilingstocomplywithASTMC636andseismicrequirementsindicated,per Installation, manufacturer’swritteninstructionsandCISCA’s“CeilingSystemsHandbook.”
General B. Suspendceilinghangersfrombuilding’sstructuralmembersandasfollows:
1. Installhangersplumbandfreefromcontactwithinsulationorotherobjectswithinceilingplenumthatarenotpartofsupportingstructureorofceilingsuspensionsystem.
2. Splayhangersonlywhererequiredtomissobstructions;offsetresultinghorizontalforcesbybracing,countersplaying,orotherequallyeffectivemeans.
3. Splayhangersonlywhererequiredand,ifpermittedwithfire-resistance-ratedceilings,tomissobstructions;offsetresultinghorizontalforcesbybracing,countersplaying,orotherequallyeffectivemeans.
4. Wherewidthofductsandotherconstructionwithinceilingplenumproduceshangerspacingsthatinterferewithlocationofhangersatspacingsrequiredtosupportstandardsuspensionsystemmembers,installsupplementalsuspensionmembersandhangersinformoftrapezesorequivalentdevices.Sizesupplementalsuspensionmembersandhangerstosupportceilingloadswithinperformancelimitsestablishedbyreferencedstandardsandpublications.
5. Securewirehangerstoceilingsuspensionmembersandtosupportsabovewithaminimumofthreetightturns.Connecthangersdirectlyeithertostructuresortoinserts,eyescrews,orotherdevicesthataresecureandappro-priateforsubstrateandthatwillnotdeteriorateorotherwisefailduetoage,corrosion,orelevatedtemperatures.
6. Secureflat,angle,channel,androdhangerstostructure,includingintermediateframingmembers,byattachingtoinserts,eyescrews,orotherdevicesthataresecureandappropriateforbothstructuretowhichhangersareattachedandtypeofhangerinvolved.Installhangersinamannerthatwillnotcausethemtodeteriorateorfailduetoage,corrosion,orelevatedtemperatures.
7. Donotsupportceilingsdirectlyfrompermanentmetalformsorfloordeck.Fastenhangerstocast-in-placehangerinserts,postinstalledmechanicaloradhesiveanchors,orpower-actuatedfastenersthatextendthroughformsintoconcrete.
8. Donotattachhangerstosteeldecktabs. 9. Donotattachhangerstosteelroofdeck.Attachhangerstostructuralmembers. 10. Spacehangersnotmorethan48incheso.c.alongeachmembersupporteddirectlyfromhangers,unless
otherwiseindicated;providehangersnotmorethan8inchesfromendsofeachmember. C. Securebracingwirestoceilingsuspensionmembersandtosupportswithaminimumoffourtightturns.Suspend
bracingfrombuilding’sstructuralmembersasrequiredforhangers,withoutattachingtopermanentmetalforms,steeldeck,orsteeldecktabs.Fastenbracingwiresintoconcretewithcast-in-placeorpostinstalledanchors.
23 Geometrix MetalCeilingPanels
24 Geometrix MetalCeilingPanels
Application Guide Specifications
D. Installedgemoldingsandtrimoftypeindicatedatperimeterofacousticalceilingareaandwherenecessarytoconcealedgesofacousticalpanels.
1. Applyacousticalsealantinacontinuousribbonconcealedonbackofverticallegsofmoldingsbeforetheyareinstalled.
2. Screwattachmoldingstosubstrateatintervalsnotmorethan16incheso.c.andnotmorethan3inchesfromends,levelingwithceilingsuspensionsystemtoatoleranceof1/8inchin12feetMitercornersaccuratelyandconnectsecurely.
3. Donotuseexposedfasteners,includingpoprivets,onmoldingsandtrim. E. Installsuspensionsystemrunnerssotheyaresquareandsecurelyinterlockedwithoneanother.Removeand
replacedented,bent,orkinkedmembers. F. Cutacousticalmetalpanunitsforaccuratefitatbordersandatinterruptionsandpenetrationsbyotherwork
throughceilings.Stiffenedgesofcutunitsasrequiredtoeliminateevidenceofbucklingorvariationsinflatnessexceedingreferencedstandardsforstretcher-leveledmetalsheet.
G. Installacousticalmetalpansincoordinationwithsuspensionsystemandexposedmoldingsandtrim. 1. Forlay-inreveal-edgepansonsuspensionsystemrunners,installpanswithbottomofrevealinfirmcontactwith
topsurfaceofrunnerflanges. 2. Forlay-inreveal-edgepansonsuspensionsystemmemberswithbox-shapedflanges,installpanswithreveal
surfacesinfirmcontactwithsuspensionsystemsurfacesandpanelfacesflushwithbottomfaceofrunners. 3. Alignjointsinadjacentcoursestoformuniform,straightjointsparalleltoroomaxisinbothdirections,unless
otherwiseindicated. 4. Installdirectionallypatternedortexturedmetalpansindirectionsindicated. 5. Installsound-absorbentfabriclayersinperforatedmetalpans.
3.4 A. Cleanexposedsurfacesofacousticalmetalpanceilings,includingtrimandedgemoldingsafterremoving Cleaning strippable,temporaryprotectivecovering,ifany.Complywithmanufacturer’swritteninstructionsforstripping
oftemporaryprotectivecovering,cleaning,andtouchupofminorfinishdamage.Removeandreplaceceilingcomponentsthatcannotbesuccessfullycleanedandrepairedtopermanentlyeliminateevidenceofdamage,includingdentedandbentunits.
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Manufactured by USG Interiors, LLC550 West Adams StreetChicago, IL 60661
IC437/rev. 1-12 © 2012 USG Interiors, LLCPrinted in U.S.A.
NoteAll products described here may not be available in all geographic markets. Consult your local sales office or representative for information. TrademarksThe following trademarks used herein are owned by USG Interiors, LLC: CentriCitee, Donn, DX, Fineline, GeometriX, USG.NoticeWe shall not be liable for incidental and consequential damages, directly or indirectly sustained, nor for any loss caused by application of these goods not in accordance with current printed instructions or for other than the intended use. Our liability is expressly
limited to replacement of defective goods. Any claim shall be deemed waived unless made in writing to us within thirty (30) days from date it was or reasonably should have been discovered. SAFETY FIRST!Follow good safety and industrial hygiene practices during handling and installation of all products and systems. Take necessary precautions and wear the appro - priate personal protective equip-ment as needed. Read material safety data sheets and related literature on products before specification and/or installation.