USG Geometrix® 3D Metal Ceiling Panels Brochure … · Geometrix™ Metal Ceiling Panels are 3-dimensional, lightweight aluminum panels that lend unique perspective and unexpected

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


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.


Geometrix™

Metal Ceiling Panels


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



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


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"


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


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


DXF or DXFF tee


DX or DXT teeDX or DXT tee

24" o.c. standard

COMPASSO edge trim

DXF or DXFF tee


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


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].


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


Coffered PerspectivePattern

Reference Point

Reference Point



Design Concepts

Sawtooth PerspectivePattern

Reference Point

Reference Point


Alternating PerspectiveSawtoothPattern


Reference Point

Reference Point


Design Concepts


Checkerboard PerspectivePattern

Reference Point

Reference Point



Pinwheel PerspectivePattern

Reference Point

Reference Point


Design Concepts


Undulating PerspectivePattern

Reference Point

Reference Point



Random Perspective

Reference Point

Reference Point



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


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


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].


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.



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.




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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