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Stromberg GRG is a composite of high-strength gypsum and glass fibers, which can be factory molded into virtually any size or shape. • Design Freedom. Stromberg GRG can be made in almost any shape you can imagine. • Lightweight. In most cases they can be lifted and installed by one or two people. • 100% non-combustible. Stromberg GRG is made from minerals and will not burn. • Stable. Made from high strength gypsum cement, Stromberg GRG is dimensionally stable under normal conditions. • World’s largest selection. No one offers you more selection or options in GRG. • An upgrade to standard GRG. • Higher impact strength than normal GRG. • A “dry” application and faster installation than traditional ornamental plaster. • Contains no paper or cellulose that can serve as food for mold. Stromberg GRG elements are designed and tested to offer high performance with a wide range of possibilities in shape, detail and finish. The material is a glass fiber reinforcing in a high strength gypsum matrix. Proprietary polymers in the system improve performance and increase impact resistance. Since items are custom made, the Stromberg GRG is molded in the thickness most appropriate for the application. Thickness of Stromberg GRG varies between 1/8” and 3/16” (3 to 5 mm). Edges are slightly thicker and may be reinforced for fasteners. Stromberg GRG weighs just 2 to 3 pounds per square foot. (10 to 15 kg/square meter) Stromberg GRG is a non-combustible mineral composite. It will not burn. Typical Uses Include: • Columns and Column Covers • Domes • Decorative Ceiling • Complex details, curves or shapes • Sculpture • Moldings • Light Coves Most projects are custom. Comprehensive shop drawings show shapes and dimensions and indicate layout and fastening methods. SUBMITTAL AND PRODUCT DATA SHEET BENEFITS AND ADVANTAGES PRODUCT DESCRIPTION 1 STROMBERG GRG High Strength Glass Fiber Reinforced Gypsum Shapes and Elements www.4stromberg.com [email protected] (903) 454-0904

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Page 1: S T R O M B E R G G R G · GFRG is composed of minerals and will not burn. Stromberg GFRG meets or exceeds the requirement of Class I Flame Spread Classification underPROPERTIES the

Stromberg GRG is a composite of high-strength gypsum and glass fibers, which can be factory molded into virtually any size or shape. • DesignFreedom.StrombergGRGcanbemadeinalmostanyshapeyoucan imagine. • Lightweight.Inmostcasestheycanbeliftedandinstalledbyoneortwo people. • 100%non-combustible.StrombergGRGismadefrommineralsandwillnot burn. • Stable.Madefromhighstrengthgypsumcement,StrombergGRGis dimensionally stable under normal conditions. • World’slargestselection.Nooneoffersyoumoreselectionoroptionsin GRG. • AnupgradetostandardGRG. • HigherimpactstrengththannormalGRG. • A“dry”applicationandfasterinstallationthantraditionalornamental plaster. • Containsnopaperorcellulosethatcanserveasfoodformold.

Stromberg GRG elements are designed and tested to offer high performance with a wide range of possibilities in shape, detail and finish. The material is a glass fiber reinforcing in a high strength gypsum matrix. Proprietary polymers in the system improve performance and increase impact resistance. Since items are custom made, the Stromberg GRG is molded in the thickness most appropriate for the application. Thickness of Stromberg GRG varies between 1/8”and3/16”(3to5mm).Edgesareslightlythickerandmaybereinforcedforfasteners.

StrombergGRGweighsjust2to3poundspersquarefoot.(10to15kg/squaremeter)

StrombergGRGisanon-combustiblemineralcomposite.Itwillnotburn.

TypicalUsesInclude:• ColumnsandColumnCovers • Domes • DecorativeCeiling • Complexdetails,curvesorshapes • Sculpture • Moldings • LightCoves

Mostprojectsarecustom.Comprehensiveshopdrawingsshowshapesanddimensions and indicate layout and fastening methods.

SUBMITTAL AND PRODUCT DATA SHEET

BENEFITS AND ADVANTAGES

PRODUCT DESCRIPTION

1

S T R O M B E R G G R GHigh Strength Glass Fiber Reinforced Gypsum Shapes and Elements

www.4stromberg.com [email protected] (903)454-0904

Page 2: S T R O M B E R G G R G · GFRG is composed of minerals and will not burn. Stromberg GFRG meets or exceeds the requirement of Class I Flame Spread Classification underPROPERTIES the

Productsaremadetothesizeordered.Maximumsizeisrestrictedbytransportationandhandling.Almostanysizemaybecast,buttypicalsizesabletobehandledarearound5’by10’forpanelsand8’to12’longformoldingsand column sections. Special provisions must be made for shipping and handling largerelements.Typicalthicknessis1/8”-3/16”(3-5mm)withthickeredges. InstallationmethodsforGRGvary.Ceilingsmaybehungfromwire,butmostGRGelementsareattachedwithcountersunkscrewsand/oradhesive. Ceilingpanels,shapesanddomesmaybesuspendedfromhangerwiresimilartoa suspended ceiling or can be attached to the framing with screws. The screws are then countersunk and filled over.Smallelements,panelsanddomesaresuppliedasonepiece.LargerGRGshapesanddomesaresuppliedinmanageablesizedpieces.Forasmoothcontinuouslook, joints are treated like the joints in gypsum board and taped and filled.

MostGRGcolumnsarecastintwohalvestowrapastructuralcolumn.Theedgeswhere they join feature cast in reinforcing strips for added strength. The sections are attached by countersunk screws. Moldingsaresuppliedinmanageablelengths.Cornersarefieldmiteredorcanbesuppliedwithmoldedcorners.Foracontinuouslookthejointscanbetapedandbedded and painted. GRG can be field cut with a hand saw but for the most efficient cutting a power sawwithcarbidetippedbladeoradrydiamondbladeisrecommended.Cuttingdust is not normally considered a health hazard but it does contain glass fibers andmaybeanirritant.Amask,adustcollectorandprecautionsshouldbetaken. GRG should be stored indoors, in an area providing protection from damage and exposure to the elements. Store flat on a level surface and do not stack or lean pieces.DuringGRGjointfinishing,temperatureswithinthebuildingshouldbemaintainedwithintherangeof55-70°F(13-21°C).Adequateventilationshallbeprovidedtocarry off excess moisture.

UsecarewhenmovingandhandlingGRG.Protectfromforkliftsandequipment.Keepproductdryandclean.Mostshapesaredesignedtobehandledby1or2people.Verylarge,complexshapesmayrequireequipment.

GRGshouldbeinstalledbyexperiencedcrews.InstallGRGlevelandperapprovedshopdrawings.Allpiecesmustbesecurelyattachedandjointsfinishedasshownin approved shop drawings.Forscrewattachment,followtheshopdrawingdetailsandarchitecturaldrawings.Shimifnecessary.ApplyconstructionadhesivetoframingtofillanysmallgapsbetweenbackoftheGRGandtheframingandshims.Countersinkfastenerheadsslightly below surface of GRG. Treat joints and fastener heads per shop drawings.Taping,Patching,ControlJoints.Tape,floatandsandalljoints.Whererequiredprovidecontroljoints.Patch all countersunk fasteners and damage.

Formostprojects,theGRGjointsaretapedandfilled.TheGRGcanthenbe painted. Painting is basically the same as for gypsum board. Primers are recommended and high gloss paints should be avoided.

SIZES

INSTALLATION

Installing GRG

Ceilings

Installing GRG

Moldings

WORKING WITH GRG

Cutting GRG

Environmental

Handling GRG

Attaching GRG

Painting GRG

Installing GRG

Columns

2www.4stromberg.com [email protected] (903)454-0904

Page 3: S T R O M B E R G G R G · GFRG is composed of minerals and will not burn. Stromberg GFRG meets or exceeds the requirement of Class I Flame Spread Classification underPROPERTIES the

StrombergGRGmanufacturingprocess:1.) Fromthearchitect’sdrawings,StrombergCADdepartmentgeneratesshop drawings showing parts and installation. 2.) Oncetheshopdrawingsareapproved,acombinationofthelatest

computer-driven. CAMequipmentaswellasold-fashionedartisticskillproducethemodels from which molds will be made. 3.) Moldsareproducedfrommodels. 4.) High-strengthgypsumandglassreinforcingfiberiscastintothemolds. 5.) Whenthegypsumhashardened,thepartsareremoved,cleaned,driedand qualityinspected. 6.) Partsarepackagedforshipmenttothejobsite. GFRGiscomposedofmineralsandwillnotburn.StrombergGFRGmeetsorexceedstherequirementofClassIFlameSpreadClassificationundertheUniformFireCode.FlameSpreadIndexis0andSmokeDevelopedIndexislessthan20(primarilywatervapor)whentestedperASTME,84-01“StandardTestMethodforSurfaceBurningCharacteristicsofBuildingMaterials”.(NFPA255,ANSI/UL723andUBC8-1)Stromberg GRG slows heat transfer. The gypsum that makes up Stromberg GRG containswaterboundintheformofhydrates.Whenexposedtotheheatofafire,this water begins to vaporize. This process retards heat transfer. The unexposed sideofthegypsumcannotgetanywarmerthantheboilingpoint(212°For100°C)of water until the water locked in the gypsum is gone. CastelementsinStrombergGRGofferdesignersarangeofoptions.Itcancapturevery fine and intricate details or produce sweeping curves and complex shapes.

MANUFACTURING GRG

STROMBERG GRG PROPERTIES

Fire

Performance

TECHNICAL PROPERTIES

DESCRIPTION TYPICAL VALUESGlass fiber 5-6%byweight

Shell thickness 1/4”(6.35mm)

Weight ±2lb/ft2(32kg/m2)

ASTMD790Tensilestrength 1360psi(9.4MPa)

Flexuralstrength 4220psi(28.4MPa)

ASTMD695Compressivestrength 7600psi(48.5MPa)

ASTMD256Impact 8.34ft-lb/in(43.7kJ/m2)

ControljointsshouldbeusedwheretheGRG:• Crossesaconstructionjoint(expansion,seismicorbuildingcontrolelement)

in the base building structure.• Runsinanuninterruptedstraightplanethatexceed30linearfeet(9m).• Wherespecifiedbythearchitectordesignerasadesignaccent.

Water. GRG is gypsum based. GRG should not be used where there will be direct exposure to water or continuous high humidity conditions. These include contactwithdampsoil,useinsaunas,steamroomsandindoorpools.FortheseapplicationsuseStrombergExteriorGRG,StrombergGFRCorStrombergGFRP. Safety.Followgoodsafetyandindustrialhygienepracticesduringhandlingandinstallation.AlwaysfollowOSHAandothersafetyrules.Readmaterialsafetydatasheets on products before installation.

CONTROL JOINTS IN GRG

LIMITATIONS

3

Replication and

Mold-ability

www.4stromberg.com [email protected] (903)454-0904

Page 4: S T R O M B E R G G R G · GFRG is composed of minerals and will not burn. Stromberg GFRG meets or exceeds the requirement of Class I Flame Spread Classification underPROPERTIES the

Painting.Followmanufacturer’sdirectionsformaterialsused.Allsurfaces,includingappliedjointcompound,mustbethoroughlydry,dustfreeandnotglossy.Aprimerorgoodquality,highsolids,flatinteriorlatexwallpaintshouldbeappliedandallowedtodry before decorating.OnsmoothGRGsurfacesthatwillbesubjectedtostrongsidelightingand/ordecoratedwithaglossfinish(eggshell,semi-glossorgloss),theGRGsurfaceshouldbeskimcoatedwithjointcompoundtoequalizesuctionandconcealfastenersbeforepainting.

InNorthAmericaGRGistypicallyspecifiedunderCSIDivision9.

StrombergGRGproductsareavailableworldwide.Leadtimesvarydependinguponthesizeandcomplexityoftheproject.Productioncapacityisover500,000sq.ft.permonth.

StrombergArchitecturalProducts,Inc.standardwarrantyis1yearfromreceiptofthematerials.

Fortechnicalassistance,includingmoredetailedproductinformation,literature,assistance with detailing, testing and assistance with project specifications, call 903-454-0904orvisitwww.strombergarchitectural.com.

ManufacturedbyStrombergArchitecturalProducts4400OnealStreetGreenville,Texas75401

[email protected]

(903)454-0904©2010

LIMITATIONS

SPECIFICATIONS

AVAILABILITY AND PRODUCTION CAPACITY

TECHNICAL SERVICES

SUBMITTAL APPROVAL

Contractor Date

Job Name

WARRANTY


Comparison of GFRG with Conventional Systems

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Product Data Sheets - Formglas€¦ · Formglas® GFRG Common Names Glass Fiber Reinforced Gypsum | GFRG Glassfiber Reinforced Gypsum | GRG Glass Fiber Reinforced Gypsum Fabrications

A Seminar Report on Affordable Rapid Mass Housing Using GFRG Panels

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ACUDOR Access Products Catalog · Access Products Catalog Effective date: March 2021. Flush Access Doors UF-5000 2 UF-5500 GFRG-R2 ED-2002 GFRG-S2 BP-2002 2 GFRG-SHDW-5040 3 PA-3000

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R G E T YO U R G H E A R T R AC I N G 2021

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Windlock Stealth GFRG - Ebuildingproducts.com · Stealth Access Panels are glass fiber reinforced gypsum (GFRG) panels designed to blend seamlessly into drywall ceilings and walls

Windlock Stealth GFRG - Ebuildingproducts€¦ · Stealth Access Panels are glass fiber reinforced gypsum (GFRG) panels designed to blend seamlessly into drywall ceilings and walls

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