top tips for mounting on low-slope roofing

Download Top Tips for Mounting on Low-Slope Roofing

Post on 21-Jan-2018

863 views

Category:

Engineering

4 download

Embed Size (px)

TRANSCRIPT

  1. 1. #SolarWebinar Top Tips for Mounting on Low-Slope Roofing
  2. 2. #SolarWebinar q This webinar will be available afterwards at solarpowerworldonline.com & email q Q&A at the end of the presentation q Hashtag for this webinar: #SolarWebinar Before We Start
  3. 3. #SolarWebinar Steven Bushong Editor - Moderator Solar Power World Brian Stearns Founder & President EcoFasten Solar & Alpine SnowGuards Addie Webster Sales/Client Support EcoFasten Solar Top Tips for Mounting on Low-Slope Roofing Meet your presenters
  4. 4. #SolarWebinar EcoFastenSolarHistory FamilyownedandoperatedinMorrisville,VT 1998:AlpineSnowGuardsisfoundedbyaformerslateroofer 2008:EcoFastenSolarisbornwhensolarpanelinstallersstartedaskingifAlpineSnowGuardsproven,waterIght roofpenetraIonswouldworkforsolarinstallaIons 2013:Thetwocompaniesmergedtechnologiesandlaunchedanewproduct, SolarSnowMax,asnowmanagementsystemforsolarpanels 2015:EcoFastenSolarintroduceditsrstrail-freeroofmount,Rock-ItSystem(UL2703compliant) 2016:EcoFastenSolarrelocaIngtoPhoenix,AZ
  5. 5. #SolarWebinar Thetopinstallersrelyonusfor: Fast,easyinstalls Cost-eec1vesolu1ons Patented,water1ghttechnology EcoFastenSolarToday
  6. 6. #SolarWebinar FeaturedSpeakers AddieWebsteraddie@ecofastensolar.com BrianStearns EcoFastenSolarSales/CustomerSupport GraduateofBarnardCollege Backgroundinsales Spentadecadeinthesustainableagricultureindustry Strongproponentofrenewables FounderandPresidentofEcoFastenSolar&AlpineSnowGuards Formerrooferbegancareerinthe1970s Well-knownandrespectedindustryvoice&thoughtleader Co-authorofTheSlateBook
  7. 7. #SolarWebinar
  8. 8. #SolarWebinar Thepitchofalow-sloperoofisequaltoorlessthan3:12 -denedbyNRCA Whatisalow-sloperoof?
  9. 9. #SolarWebinar Installinganyroongmaterialonaroofwithlessthan 3:12pitchdoesnotmakeitlow-sloperoong Theminimumslopeasphaltshinglesshouldbeinstalled onistypically2:12pitch Low-sloperoofscanbeusedoncommercialroongas wellasresidenIal Low-sloperoofshaveaminimumriseovera12run (followroongmanufacturersinstrucIons) Alllow-sloperoofsmustallowwatertodrain Largecommercialstructureswillhavedrainagepaths Low-sloperooffacts Drainage
  10. 10. #SolarWebinar Alllow-sloperoofsmusthavetheabilitytodry within24hours(humidityisanexcepIon) Iftheroofdoesnotdrainproperly,bacteria andorganicgrowthwillappearonthesurface oftheroof Thisorganicgrowthwillbreakdownthe roongmaterialsprematurely Low-sloperooffacts
  11. 11. #SolarWebinar RoofinspecIonsincreasethelifeoftheroof,andshouldbedonea minimumoftwiceperyear Low-sloperoofsareoeenpatchedduringroofinspecIons Rooferslookforsignsofwearandpatchtheroofpriortoanyproblems Low-sloperooffacts
  12. 12. #SolarWebinar Roofdeck-CanbeSteel,ConcreteorWood OpIonalAirorVaporBarrier-makesthebuildingenergyecient InsulaIon-Canbeinstalledaslayers CoverBoard-CreatesahardsurfaceoverinsulaIon,actsasrebarrier WaterproofCovering-SinglePly,BuiltUpRoong,ModiedBitumen,MetalPanels,SprayPolyurethaneFoam Whatarethegeneralcomponentsofalow-sloperoofassembly? AirorVaporBarrier RoofDeck InteriorCeiling RoofStructure InsulaIon CoverBoard WaterproofCovering
  13. 13. #SolarWebinar SinglePly-EPDM,TPO,PVC PlasIcorRubberBasedMaterials Variousahachmentmethods: Adhered,ballastedorthrough- fastened Heatweldedoradheredatseams CanbemulIplesheetsorseamless dependingonmanufacturerand roofsize WeatherproofCoveringOpIons
  14. 14. #SolarWebinar MulIplelayerswithCapSheets, orBallast/Granules Variousahachmentmethods: Self-Adhered,Torchdown,Hot Mopped,Fastened,orBallasted Asphalt,tar,orgravel-based materials Lowmaterialcost WeatherproofCoveringOpIons Built-UpRoong Example
  15. 15. #SolarWebinar WeatherproofCoveringOpIons SprayPolyurethaneFoam PolymerModiedBitumen MetalStandingSeamPanel
  16. 16. #SolarWebinar PlenIful(manylarge commercialbuildings) SecureLocaIons Favorablerooftowallarea forgoodloadvalues Canaccommodatelarge systems,goodreturnon investmentforbuilding owners Whyarelow-sloperoofsagoodplajormforsolar?
  17. 17. #SolarWebinar TheroofmustremainwaterJght! Inmostlow-sloperoong,thisisachievedthroughashingtheahachmentpoints Dierentlow-sloperoofcoveringswillhavedierentashingrequirements DesignconsideraIonsforsolaronlow-sloperoofs
  18. 18. #SolarWebinar WhatcodesgovernwaterIghtPVinstallsonlow-sloperoofs? ICC:InternaIonalCodeCouncil: BuildingcodesareperformanceandprescripIverequirementsforbuildingconstrucIon includingroofsystemsthatareestablishedandenforcedbystateorlocalgovernmentagencies toensurepublicsafety,health,andwelfareincommercialandindustrialbuildings. IBC:InternaIonalBuildingCode IRC:InternaIonalResidenIalCode BoththeIBCandIRCrequirethataashingmustbeusedwithallmechanical ahachments.Thisashingmustbeinstalledperroongmanufacturersinstall instrucIons.
  19. 19. #SolarWebinar Windresistance Thereare3zonesforwindresistanceanalysis: 1. FieldZone-interior-lowestwindloads 2. PerimeterZone-ends-middlewindloads 3. CornerZones-highestwindloads Windupliecouldmoveorripoandruintheroofsurfaceifthesystemisnotengineeredforthecorrect windresistance DesignconsideraIonsforsolaronlow-sloperoofs
  20. 20. #SolarWebinar DesignconsideraIonsforsolaronlow-sloperoofs Fireresistance RoofSystemsareclassiedforthelevelofreresistance ClassA-highestrated(max.spreadofames=6e.) ClassB(max.spreadofames=8e.) ClassC(max.spreadofames=13e.) ThePVsystemmustbeengineeredwithmaterialstomatchthereclassicaIonoftheroof ThisreraIngforPVcomponentsisgovernedbyULtesIng
  21. 21. #SolarWebinar DesignconsideraIonsforsolaronlow-sloperoofs Roofwarranty LimitedManufacturerwarranIesmaybevoidifdesign/install/maintenanceproceduresarenot followed FlashingmustmatchtheroongmanufacturersinstallinstrucIons RooeopPVcannotinterferewithroofmaintenance Workwithroongmanufacturerandtheroongcontractor
  22. 22. #SolarWebinar DesignconsideraIonsforsolaronlow-sloperoofs Maintenance TheroofshouldbeingoodcondiIonbeforeinstallingPV-theroofshouldatminimumlast aslongasthePVsystembeinginstalled TheremovalandredesignofaPVsystemaeeronly10-15yearsisalargeexpense ThereturnoninvestmentofthePVsystemwouldbediminished
  23. 23. #SolarWebinar Beforealow-sloperooeopsystemisdesigned,thefollowingshouldbeevaluated: StructuralevaluaIonoftheroofdeck StructuralevaluaIonofthebuilding Ageoftheroongmaterials Typeofroongmaterials-toassurethatthecorrectstepsaretakentoupholdtheintegrityof theroof Roofdrainage Dirtbuildup Rooftrac AccessandSafety EvaluaIonpriortoPVarraydesign
  24. 24. #SolarWebinar Low-SlopePV Moun1ngOp1ons
  25. 25. #SolarWebinar AdheredPV-PVlaminate: Verylowprole-aestheIcandwindloadbenets Lightweight Usedwithadheredmembraneswithaminimumthicknessof72mil CanonlybeusedwithhightempresistantmembranesandinsulaIonsasitcanheatupveryquickly Low-slopePVmounIngopIons
  26. 26. #SolarWebinar Ballastedsystems: NoroofpenetraIonsrequired Solarpanelsandrackingareheldinplacewithweight ProvidesaquickretrotsoluIon Canblockdrainage&compressinsulaIoncreaIngpondingwater Thermalexpansion/contracIoncausesdamage/wear&tear CanmovefromHVACvibraIons Createsdicultywithroofmaintenance,inspecIonandrepair Low-slopePVmounIngopIons
  27. 27. #SolarWebinar MechanicalaNachments: PenetraIngsupportsthatahachtostructuraldeckorbeamsandareashedintoroofcovering FlashingshouldfollowroofmanufacturersinstallinstrucIons(6-8oroofsurface) Strongerahachments Canhandlewind,seismicandvibraIonsfromothermachineryonrooeopbeherEx:vibraIonsfromHVACandACunits Lighterthanballastedsystems WontdamageinsulaIonfromcompression Reliablewaterproong Mountedhigherotheroof,easytoinspectandrepair Low-slopePVmounIngopIons
  28. 28. #SolarWebinar Woodblocking Low-slopePVmounIngopIons MechanicalaNachmentexamples Ferrule
  29. 29. #SolarWebinar PitchPocket (lastresortavoid whenpossible) Low-slopePVmounIngopIons OtherashingopJonsformechanicalaNachments Torchdown Liquidashing
  30. 30. #SolarWebinar Newtechnologiesthatmakelow-slopeinstallseasierLow-slopePVmounIngopIons Low-slopemetalstandingseamroong ASGUClamps Clampahachesmechanicallywithsetscrews Easy,fastwaytoahachjustaboutanythingto anystandingseamroof Usesnoadhesive,whichcanbeaectedbychangesin temperatureorbarometricpressure Acceptedbymajorroongmaterialsmanufacturers withoutvoidingwarranIes ManufacturedbyourSistercompany,AlpineSnowGuards, themakerofSolarSnowManagementproducts
  31. 31. #SolarWebinar Whatshouldyoulookfor? RaintesIng Mechanicalloading Standingwatertest TesIngforlow-slopeproducts
  32. 32. #SolarWebinar Newtechnologiesin PVMoun1ngOp1ons
  33. 33. #SolarWebinar SimpleGrip Low-sloperesiden1al Newtechnologies:Makinglow-slopeinstallseasier Lightweight,durableconstrucIonenhanceswind uplieandseismicvalueswithoutaddingaddiIonal weight Extensivelytestedforpulloutandshear CustomizedsoluIonstomatchanyproprietary hardware Meetsorexceedsallknownbuildingcodes PatentedwaterIghtsealformsanimpenetrablemoisture barrier LargebaseandmulIpleahachmentpointsdistribute compressiveloadsoverstandardinsulaIon AlltesInginfoisavailableonourwebsite Contactusifyouwouldlikeasample
  34. 34. #SolarWebinar SimpleGrip Low-sloperesiden1al Newtechnologies:Makinglow-slopeinstallseasier
  35. 35. #SolarWebinar CompaIblewithmostTPO,PVCandEPDM Wideangeiseasytoweldinplace Takesthewindloadoofthemembrane ManufacturedbyEcoFasten&DistributedbyOMG IncludedinSolarPowerWorlds2015Topproducts MounIngProducts(PowerGripPlus) PowerGripandPowerGripPlus Low-slopecommercial Newtechnologies:Makinglow-slopeinstallseasier 2000lbs.tensilestrength/1075lbs.shearstrength Securelyanchorstotheroofdeck Foruseonlow-slopecommercialapplicaIons Helpsprotectsingle-plyroofcoversfromdamagedueto ballastedrackmovement
  36. 36. #SolarWebinar Newtechno