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GEORGE KOCH SONSAcoustical Barrier Systems
George Koch Sons, LLC Evansville, IN USA www.kochllc.com [email protected] 812-465-9600
USES & APPLICATIONS• RooftopHVACequipment• Powergeneration• Utilitytransformers• Gascompressionstations• Enginegenerators• Outdooramphitheater• Wastewatertreatment• Manufacturingfacilities• Salvageyards• Transportation:highway,airport,
rail• Industrialexhaustfans&stacks• Loadingdocks
ADVANTAGES• FINESTAPPEARANCE!• Featurestongue-and-
grooveinterlockingmodularpanels
• 33”wideacousticalpanelscomplementcommercialarchitecturalinsulatedpanelsystem
System FeaturesOurbarriersystemisalightweight,sound-absorptivemodularpanelsystemthatisplacedbetweenthenoisesourceandreceiver.Thesystemcanbeinstalledoutdoors,onthegroundorroofinaverticalorhorizontalconfigurationinordertocreatehighly effective environmental noise reduction solutions.Ouruniqueroll-formingcoilprocessesenablefabricationofpanelsupto22feet,savinginstallationtimeandcosts.
Superior Finish & Corrosion-Resistant• High-scuff,abrasion-resistantandweather-resistantbaked-onpolyesterpowdercoatfinishisavailableinanystandardcolor
• Perforatedsheetsarecoatedonbothsidestoensureprecisecoverage• PowdercoatfinishisprotectedduringshipmentandassemblywithPVCwrap
• Allmaterialishotdippedgalvanizedorgalvannealedsteel• Panelsareself-draining,non-absorbantacousticalfill
Panel Thickness Rating
Frequency (Hz)
125 250 500 1000 2000 4000
2”TransmissionLoss(dB) STC=37 21 25 33 45 54 61
SoundAbsorptionCoefficient NRC=1.00 0.27 0.68 1.19 1.15 1.02 1.02
3”TransmissionLoss(dB) STC=40 21 27 38 51 58 64
SoundAbsorptionCoefficient NRC=1.10 0.67 1.04 1.19 1.12 1.06 1.03
4”TransmissionLoss(dB) STC=41 20 29 42 53 58 64
SoundAbsorptionCoefficient NRC=1.15 0.97 1.09 1.24 1.10 1.08 1.04
6”TransmissionLoss(dB) STC=46 24 33 48 57 60 65
SoundAbsorptionCoefficient NRC1.15 1.07 1.00 1.30 1.14 1.08 1.00
ACOUSTIC PANEL PERFORMANCE TESTING**All tests conducted by Riverbank Acoustical Laboratories™ (RAL), an Alion Technical Center. RAL has been accredited by the National Institute of Standards and Technology (NIST) through the National Voluntary Accreditation Pro-gram (NVLAP) for selected acoustical testing services conducted in accordance with established standards.
Panel Back 16-gaugesteel
Panel Front 22-gaugesteel,perforated3/32”diameterroundholeson3/16”staggeredcenters
Panel Frame 18-gaugesteel
Acoustical Core 4lb./cu.ft.densitymineralwoolthatisnoncombustible,inert,mildew-resistant,non-settlingandfeaturesaflamespreadof15andsmokedevelopedratingof0,perASTMStandardE84
Panel Thickness 2”,3”,4”or6”
Length 16’-0”standardmaximumwhenfactorypowdercoatfinished
Panel Joint Interlockingtongue-and-groove
Paint Finish High-scuffandabrasion-,corrosion-andchemical-resistantpolyesterpowdercoatpaintfinish;resistanttocracking,peelingandmarring.ProtectivePVCplasticisprovidedoverourhigh-scuffandabrasion-resistantpowdercoatfinishtoeliminateshippingandfieldassemblyscratches.Thefilmisdesignedtoberemovedaftertheenclosureiffullyassembled.
Colors RALpowdercoatstandardcolors
Corner Panels Shop-formedcornerpanelsinlieuoffield-flashedcornersforeaseofassembly,bestappearanceandacousticalintegrity
Doors Single-anddouble-leafswingorslidingdoors
Accessories Acousticaldoors,windows,openings,ventilation,lighting,electrical,soundattenuationtunnels,airconditioning,penetrations
Engineering AutoCADengineeringapprovalandfinalassemblyprintsprovided.InstallationinstructionsandAutoCADassemblyprintsareemailedpriortoshipment.
Materials Mostcommon:G90Galvanized,A60Galvannealedreadyforfieldpaintorourstandardpowdercoatofferings;Alsoavailable:Aluminized,Galvalume,304and316stainlesssteel,5052-H32Aluminum
Options Othergaugesofsteel,customwidths,customcolormatchesandfinishes
ACOUSTICICAL PANEL MATERIAL SPECS
MONTY BUCHANAN Thermal Acoustical Sales Mgr.
[email protected] • 812-465-9775
CONTACT OUR SALES TEAMTODD TURNOCK Acoustical Distributor Sales Mgr. [email protected] • 812-465-9815
www.kochllc.com/acoustical-noise-barriers
