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Today'sModerator

DanHounsellEditor-in-Chief,FacilityMaintenanceDecisions

Today'sPresenters

JamesR.Kirby

Execu2veDirector,RoofCoa'ngsManufacturers

Associa'on(RCMA)

JamesisDirectorofCodesandRegulatoryComplianceforKellenCompany.HeisalicensedarchitectinIllinois;hehasamaster’sdegreeinarchitecturefromtheUniversityofIllinoisatUrbana-Champaign;andhehasaGraduateCer'ficateinSustainableBuildingDesignandConstruc'onfromBostonArchitecturalCollege.Kirbyhasexper'seinroofsystemdesignandconstruc'on,weatherproofingandenergy-efficiencyofthebuildingenvelope,androoOopPVsystems.HealsoisanaccreditedGreenRoofingProfessional.

LearningObjec;ves:

•  Analyzetheroleofroofcoa'ngsinenergysavingsandoccupantcomfort

•  DiscussupdatestoLEEDunderV4

•  Learnhowroofcoa'ngsapplytoLEEDV4cer'fica'on

•  Reviewcasestudiesofroofcoa'ngapplica'ons

Toaskques;ons:Pleaseusetheques'onandanswerpanelontheright-handside

ofthescreen,andsendtoallpanelists.

Presenta;onHandoutsAllpar'cipantswillreceiveane-mailbytheendofthedaywithalinktodownloadaPDFcopyoftoday’spresenta'on

slides.

Sponsors

Presentedby:

JamesR.Kirby,AIA

RCMAExecu'veDirector

RoofCoa'ngsManufacturersAssocia'on:LEEDV4andtheBenefitsofRoofCoa'ngs

RoofCoa'ngsManufacturersAssocia'on(RCMA)

• Na'onaltradeassocia;onrepresen'ngmanufacturersofasphal'candreflec'veroofcoa'ngsandindustrysuppliers

•  RCMAhasmorethan70memberswhomanufactureinalmosteverystateinthecountryaswellassupplierstotheindustry

•  Aleadingindustryvoicepromo;ngthebenefitsofroofcoa;ngs

•  RCMAprovidesitsmembershipwithup-to-dateinforma'ononlegisla;veandregulatorydevelopments,buildingcodesandstandards,technicaladvancements,andotherindustrytopicsofinterest

• Mosteffec;ve,leastcostlyop;ontosaveenergyinlowsloperoofinginresiden'al,commercial,andindustrialbuildings

•  Extendthelifeoftheroofbypreven'ngwater,chemical,orphysicaldamage

•  Prolongroofsystemlifecyclebyreducing“thermalshock”stressoflargetemperaturechanges

•  Certainroofcoa'ngsevenprovideanextralevelofwaterproofingprotec;ontohelpshedwatertokeepbuildinginteriorsdry

KeyBenefitsofRoofCoa'ngs

Importanceof“Cool”• GlobalWarming-83%ofAmericanadultswhosayglobalwarmingisoccurringbelievetheUSshouldbealeaderinaddressingit(YaleSchoolofForestry&EnvironmentalStudies&theAP-NORCCenterforPublicAffairsResearch).

• HeatIslands-Theannualmeanairtemperatureofacityof1millionpeopleormorecanbe1.8–5.4°F(1–3°C)warmerthanitssurroundings.Blackroofsurfacescanbecomehojerthanreflec'veroofsurfaces(EPA).

•  EconomicImpact-Na'onwideimplementa'onofcoolroofscouldmeananannualsavingsof$1billionincoolingcosts(LBNLHeatIslandGroup).

• HelpReduceCoolingCosts.Reflec'vecoa'ngsreflectvisiblelightandinfraredandultravioletradia'on,leadingtolowerrooftemperatures.•  EnergySavingsPoten;alwithRetrofits.2.5billionsquarefeetofroofsarereplacedorre-coatedannually,comparedtoonly0.5billionsquarefeetofroofsonnewbuildings.• WasteReduc;on.Roofingmaterialsarethe3rdgreatestcontributortowasteinlandfills.Roofcoa'ngsprolongtherooflifeandpreventtear-offandwaste.•  AirQualityImprovement.Reflec'veroofcoa'ngsreducesmogandimproveairqualitybyloweringambienttemperatures.

KeyBenefitsofReflec'veRoofCoa'ngs

Onahotday(ambienttemperatureofabout90°F):•  Darkroofsabsorbsolarenergy,gethot,transferheatintothebuilding.

• Whiteroofsreflectsolarenergybackintospacesoroofsurfacestayscooler.

Reflec'veCoa'ngs:HowdotheyDoIt?

•  Insula'onresiststheflowofheatfromthewarmtothecool.

•  Acoolroofsurfaceincreasesinsula'oneffec'veness.

PI and XPS Board, R Values at Temperature

33.5

44.5

55.5

66.5

-20 0 20 40 60 80100 120

Temperature, oF

R-Va

lue

Polyiso Board

XPS

Reflec'veCoa'ngs:HowdotheyDoIt?

WhydoesUSGBCincludesroofcoa'ngsinLEED?

Forallthebenefits+reasonsjustprovided.

LEEDV4

•  RCMAproducedaWhitePaperin2015aboutcoa'ngsandLEEDv4'tledReflec%veRoofCoa%ngsandLEEDv4.

•  TheemphasisisonthestructureofLEEDv4forNewConstruc%onandLEEDv4forExis%ngBuildingOpera%onandMaintenance,andhowreflec'veroofcoa'ngscanfulfillLEEDv4PrerequisitesandCreditRequirements.

RCMAandLEEDV4

•  LEEDimpactshighperformancegreenbuildingsandtheirdesign,construc'on,opera'onandmaintenance.Theeffortmustbecost-effec'veand'mely.

•  LEEDv4isdevelopedandmaintainedbyUSGBC,a501(c)(3)non-profitbasedinWashington,DC,whichwasfoundedin1993.

•  LEEDv4waslaunchedinNovember2013.AOerOct312016,onlyLEEDv4canbeusedtoregisterprojects.LEEDv3projectregisteredpriortoOct2016haveun'lJune2012tobecer%fied.

LEEDV4–OVERVIEW

•  Thereare5categorieswherereflec'veroofcoa'ngsareinplay.Theyare:•  NewBuildingDesignandConstruc'on•  InteriorDesignConstruc'on•  Exis'ngBuildingOpera'onandMaintenance•  LEEDforHomes•  LEEDforNeighborhoodDevelopment

•  LEEDiscomprisedofCreditCategories,eachincludePrerequisites,Credits,andBonusCredits.

•  Reflec'veRoofCoa'ngscontributetotheEnergyandAtmospherePrerequisite:MinimumEnergyPerformanceandplayanimportantroleinseveralCredits.

LEEDV4

•  Reflec'veRoofCoa'ngsarerecognizedinLEEDra'ngsystemsforseveralreasons:•  Reduc'onofUrbanHeatIslandEffect•  EnergyConserva'onwiththebenefitofcarbonemissionreduc'on

•  Extensionofservicelifeofroofingsystemsfornewconstruc'onandexis'ngbuildings

LEEDV4

•  Thereare7LEEDCreditCategorieswherereflec'veroofcoa'ngsarerelevant:•  Innova'on•  Integra'veProcess•  SustainableSites•  EnergyandAtmosphere•  MaterialsandResources•  IndoorEnvironmentalQuality•  RegionalPriority

LEEDV4CREDITCATEGORIES

•  Innova'on•  Innova'onpointsareearnedbyexceedingthebaserequirementsforeligibleCREDITS…orbydevelopingaquan'fiabledesignorconstruc'onideathatgetsincludedintheproject

•  Integra'veProcess•  Integra'vedesignistheprocessbywhatanumberofprojectcondi'onsandvariablesareinves'gatedandevaluatedcomprehensivelytodeterminethemostcosteffec'veandenvironmentallybenignprojectpossible.


•  SustainableSites•  Intent:Tominimizetheeffectsonmicroclimatesandhumanandwildlifehabitatsbyreducingheatislands

•  Includesroofreflec'vity,reduc'onofhardscape(e.g.,parkinglots)anduseofhighSRIorhighSRmaterials.

•  Useoneofthefollowingop'ons:


•  EnergyandAtmosphere•  FundamentalCommissioningandVerifica%onisaprerequisite,andEnhancedCommissioning,whichisacredit,occursaOerFC+V(includestheroofsystem).

•  MinimumEnergyPerformanceisaprerequisite.Itcanbeachievedby:•  Whole-buildingenergysimula'on:Improve2%-5%overbaselinebuilding•  Prescrip'vecompliance:ASHRAEAdvancedEnergyDesignGuide•  Prescrip'vecompliance:AdvancedBuildingsCorePerformanceGuide•  …AlluseASHRAE90.1-2010standard.

•  Op%mizeEnergyPerformance,whichisacredit,occursaOerOEP.Itcanbeachievedby:•  Whole-buildingenergysimula'on•  Prescrip'veapproach:ASHRAEAdvancedEnergyDesignGuide.


• MaterialsandResources•  SixneworrevisedCredits•  Construc'onanddemoli'onwastemanagementplanning•  Buildinglifecycleimpactreduc'on•  Buildingproductdisclosureandop'miza'on–EPDs•  Buildingproductdisclosureandop'miza'on–sourcingrawmaterials•  Buildingproductdisclosureandop'miza'on–materialingredients•  Construc'onanddemoli'onwastemanagement

•  Materialre-useanddiver'ngmaterialsfromlandfillarerewardedeffortsinLEED

•  Intentistoextendservicelifeofexis'ngbuildings,conservematerialuse,retainresources,reducewaste,reduceenvironmentalimpactsofnewbuildingsrelatedtomanufacturingandtransport


• MaterialsandResources•  Construc'onanddemoli'onwastemanagement(credit)planning(prerequisite)•  Useofcoa'ngsoverexis'ngroofs(e.g.,materialre-use,reduc'onofwaste)•  Includeproperdisposalofpackagingandcontainers(e.g.,recycleplas'c/metal,re-usepallets,returnpolicyofunusedmaterials)

•  Buildinglifecycleimpactreduc'on(credit).Useof‘wholebuildinglifecycleanalysis’islikelyhowcoa'ngswillbeincluded.•  Anyuseofreflec'vecoa'ngsthatcontributestosaving/renova'nghistoric,abandoned,orblightedbuildingsand/or

•  Maintainsexis'ngroofstructureandprofile

•  Buildingproductdisclosure(credit)•  UseproductswithEPDsthathave“preferred”impacts,ordemonstrateimpactreduc'onbelowindustryaverage.

•  Useproductsthathaverawmaterialsupplierreportsshowingenvironmentalbenefits/stewardship

•  Useproductsandmaterialsthatreportchemicalingredientsandverifiedtominimizetheuseandgenera'onofharmfulsubstances


•  IndoorEnvironmentalQuality•  IndoorEnvironmentalQuality—DaylightCredit:Forexample,theuseofreflec'vecoa'ngscanenhancethereflectedlightintorooOopmonitorsthatdirectsunlighttoindoorspaces,reducingtheneedforelectricity.

•  Op%mizeEnergyPerformance:Forexample,theuseofreflec'vecoa'ngscancontributetoanenergyefficientbuildingenvelope,allowingthe“rightsizing”ofspacecondi'oningsystems.

•  RegionalPriorityCredit•  Iden'fiedbylocalUSGBCchaptersasimportantissuesinanarea/zipcode.Thisincen'vizestheuse/non-useofspecificproductsthatcontributeposi'velytothelocalissue.Thiscanbeusedwithothercredits,ifiden'fiedlocally.


CaseStudy#1

•  1MsqOfacilitywithnumerous,persistentleaksresul'ngfromUVdegrada'onandthermalshock,aggravatedbyprevailingwinds,tropicalstormsandsaltair.Leaksinterruptedworkandshutdownopera'onsoccasionally.

•  Reflec'veroofcoa'nginstalled;didnotrequiretear-offanddisposal.Haltedleaks,increasedinteriorcomfort,andsavedenergy.

CASESTUDY–Plas'csManufacturer

•  Rooftempsdropped30F-35F,resul'nginincreasedproduc'vityanddecreasedmaintenance.

•  MeetsallroofingrelatedLEEDv4prerequisites;andIntegra%veDesign,SustainableSites,EnergyandAtmosphere,MaterialsandResources,Innova%on,andRegionalPrioritycredits.

CaseStudy#2

•  TheroofleakedshortlyaOerpurchasingthebuilding.Aquick,effec've,cost-appropriatesolu'onwasnecessarytoprotecttheinventoryandkeepthebusinessrunning.

•  Nosubstraterepairswereneeded.Acoa'ngcouldbeappliedtotheexis'ngroof.

•  Applica'ondirectlytotheexis'ngroofeliminatedexis'ngroofmaterialsfromthewastestream.

•  Theinteriorbecamemorecomfortable,andthebuildingbecamemoreenergyefficient.

CASESTUDY–Plas'csManufacturer

•  Thewarran'esandservicelifewillcontributetosimplifyingfutureLEEDv4forExis%ngBuildingOpera%onandMaintenanceapplica'ons.

•  Thereflec'veroofcoa'ngcontributestotheEnergyandAtmosphereandMaterialsandResourcescredits.

CaseStudy#3

•  60yearoldfactory,65,000sf,air

condi'onedspace

•  4-plysmoothasphaltBUR,13yrold

withaluminizedasphaltcoa'ng,5

yrsold

•  Noleaks,drybyIRthermography,

incidentalstandingwater,¼”slope

•  R-valueof16(whennewlyinstalled)

•  Objec've-cool,protect&extend

rooflife

CoolStory–SmoothAsphaltBUR

•  Powerwashoffdirtandmostof

asphaltcoa'ng

•  Prime/Baseof½-3/4gal/Sqasphalt

compa'bleacryliccoa'ng

•  Fabricreinforcementat

penetra'ons/curbs

•  Finishcoatof1.5-2.0gal/Sqof

D-6083acrylicwhitefinishcoa'ng

SmoothAsphaltBUR-Ac'on

•  8/4/06AmbientT=82°F

SR=0.35SurfaceT=141°F

•  8/27/07AmbientT=83°F

SR=0.81SurfaceT=98°F

•  ComparingAugust‘06toAugust’07:

•  KWH/dayreduc'onof7.3%

•  Energy$/dayreduc'onof9.4%(differencedueto

demandchargereduc'on)

SmoothAsphaltBUR–CoolRoofApplica'onResults

•  Roofcoa'ngshavearoleinthehighperformancegreenbuildingmovementgenerallyandtheLEEDcer'fica'onprocessspecifically.•  RoofCoa'ngs:•  Reduceenergyconsump'on•  Extendservicelife•  AchieveLEEDPrerequisitesandCredits

•  Advancementsinbuildingenergymodelingwillonlyreinforcethedesirabilityofreflec'veroofcoa'ngsinhighperformancebuildings,LEEDv4,andothergreenra'ngsystemsinthefuture.•  Coa'ngsareever-expandingtheirroleintheconstruc'onindustry.

RoofCoa'ngsandLEEDv4

QUESTIONS?

RoofCoa'ngsManufacturersAssocia'onwww.roofcoa'ngs.org

ques'ons@roofcoa'ngs.org

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