Date post: | 21-Jan-2018 |
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Engineering |
Upload: | solar-power-world |
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#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
#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…
#SolarWebinar
EcoFastenSolarHistory• FamilyownedandoperatedinMorrisville,VT• 1998:AlpineSnowGuardsisfoundedbyaformerslateroofer• 2008:EcoFastenSolarisbornwhensolarpanelinstallersstartedaskingifAlpineSnowGuards’proven,waterIghtroofpenetraIonswouldworkforsolarinstallaIons
• 2013:Thetwocompaniesmergedtechnologiesandlaunchedanewproduct,SolarSnowMax,asnowmanagementsystemforsolarpanels
• 2015:EcoFastenSolarintroduceditsfirstrail-freeroofmount,Rock-ItSystem(UL2703compliant)
• 2016:EcoFastenSolarrelocaIngtoPhoenix,AZ
#SolarWebinar
Thetopinstallersrelyonusfor:
ü Fast,easyinstallsü Cost-effec1vesolu1ons
ü Patented,water1ghttechnology
EcoFastenSolarToday
#SolarWebinar
FeaturedSpeakers
BrianStearns
• EcoFastenSolarSales/CustomerSupport• GraduateofBarnardCollege• Backgroundinsales• Spentadecadeinthesustainableagricultureindustry• Strongproponentofrenewables
• FounderandPresidentofEcoFastenSolar&AlpineSnowGuards• Formerroofer–begancareerinthe1970’s• Well-knownandrespectedindustryvoice&thoughtleader• Co-authorofTheSlateBook
#SolarWebinar
• Installinganyroofingmaterialonaroofwithlessthan3:12pitchdoesnotmakeitlow-sloperoofing
• Theminimumslopeasphaltshinglesshouldbeinstalled
onistypically2:12pitch• Low-sloperoofscanbeusedoncommercialroofingas
wellasresidenIal• Low-sloperoofshaveaminimum¼”riseovera12”run
(followroofingmanufacturer’sinstrucIons)• Alllow-sloperoofsmustallowwatertodrain
• Largecommercialstructureswillhavedrainagepaths
Low-sloperooffacts
Drainage
#SolarWebinar
• Alllow-sloperoofsmusthavetheabilitytodrywithin24hours(humidityisanexcepIon)
• Iftheroofdoesnotdrainproperly,bacteriaandorganicgrowthwillappearonthesurfaceoftheroof
• Thisorganicgrowthwillbreakdowntheroofingmaterialsprematurely
Low-sloperooffacts
#SolarWebinar
• RoofinspecIonsincreasethelifeoftheroof,andshouldbedoneaminimumoftwiceperyear• Low-sloperoofsareoeenpatchedduringroofinspecIons• Rooferslookforsignsofwearandpatchtheroofpriortoanyproblems
Low-sloperooffacts
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• Roofdeck-CanbeSteel,ConcreteorWood• OpIonalAirorVaporBarrier-makesthebuildingenergyefficient• InsulaIon-Canbeinstalledaslayers• CoverBoard-CreatesahardsurfaceoverinsulaIon,actsasfirebarrier• WaterproofCovering-SinglePly,BuiltUpRoofing,ModifiedBitumen,MetalPanels,SprayPolyurethaneFoam
Whatarethegeneralcomponentsofalow-sloperoofassembly?
AirorVaporBarrierRoofDeckInteriorCeiling
RoofStructureInsulaIonCoverBoardWaterproofCovering
#SolarWebinar
SinglePly-EPDM,TPO,PVC
• PlasIcorRubberBasedMaterials• Variousahachmentmethods:
Adhered,ballastedorthrough-fastened
• Heatweldedoradheredatseams• CanbemulIplesheetsorseamless
dependingonmanufacturerandroofsize
WeatherproofCoveringOpIons
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• MulIplelayerswithCapSheets,orBallast/Granules
• Variousahachmentmethods:Self-Adhered,Torchdown,HotMopped,Fastened,orBallasted
• Asphalt,tar,orgravel-based
materials• Lowmaterialcost
WeatherproofCoveringOpIonsBuilt-UpRoofing
Example
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WeatherproofCoveringOpIons
SprayPolyurethaneFoam
PolymerModifiedBitumen
MetalStandingSeamPanel
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• PlenIful(manylargecommercialbuildings)
• SecureLocaIons• Favorablerooftowallarea
forgoodloadvalues• Canaccommodatelarge
systems,goodreturnoninvestmentforbuildingowners
Whyarelow-sloperoofsagoodplajormforsolar?
#SolarWebinar
TheroofmustremainwaterJght!• Inmostlow-sloperoofing,thisisachievedthroughflashingtheahachmentpoints• Differentlow-sloperoofcoveringswillhavedifferentflashingrequirements
DesignconsideraIonsforsolaronlow-sloperoofs
#SolarWebinar
WhatcodesgovernwaterIghtPVinstallsonlow-sloperoofs?
• ICC:InternaIonalCodeCouncil:BuildingcodesareperformanceandprescripIverequirementsforbuildingconstrucIon—includingroofsystems—thatareestablishedandenforcedbystateorlocalgovernmentagenciestoensurepublicsafety,health,andwelfareincommercialandindustrialbuildings.
• IBC:InternaIonalBuildingCode• IRC:InternaIonalResidenIalCode• BoththeIBCandIRCrequirethataflashingmustbeusedwithallmechanical
ahachments.ThisflashingmustbeinstalledperroofingmanufacturersinstallinstrucIons.
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Windresistance• Thereare3zonesforwindresistanceanalysis:
1. FieldZone-interior-lowestwindloads2. PerimeterZone-ends-middlewindloads3. CornerZones-highestwindloads
• Windupliecouldmoveorripoffandruintheroofsurfaceifthesystemisnotengineeredforthecorrectwindresistance
DesignconsideraIonsforsolaronlow-sloperoofs
#SolarWebinar
DesignconsideraIonsforsolaronlow-sloperoofs
Fireresistance• RoofSystemsareclassifiedfortheleveloffireresistance
• ClassA-highestrated(max.spreadofflames=6e.)• ClassB(max.spreadofflames=8e.)• ClassC(max.spreadofflames=13e.)
• ThePVsystemmustbeengineeredwithmaterialstomatchthefireclassificaIonoftheroof• ThisfireraIngforPVcomponentsisgovernedbyULtesIng
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DesignconsideraIonsforsolaronlow-sloperoofs
Roofwarranty• LimitedManufacturerwarranIesmaybevoidifdesign/install/maintenanceproceduresarenot
followed• FlashingmustmatchtheroofingmanufacturersinstallinstrucIons• RooeopPVcannotinterferewithroofmaintenance• Workwithroofingmanufacturerandtheroofingcontractor
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DesignconsideraIonsforsolaronlow-sloperoofs
Maintenance• TheroofshouldbeingoodcondiIonbeforeinstallingPV-theroofshouldatminimumlast
aslongasthePVsystembeinginstalled• TheremovalandredesignofaPVsystemaeeronly10-15yearsisalargeexpense• ThereturnoninvestmentofthePVsystemwouldbediminished
#SolarWebinar
Beforealow-sloperooeopsystemisdesigned,thefollowingshouldbeevaluated:• StructuralevaluaIonoftheroofdeck• StructuralevaluaIonofthebuilding• Ageoftheroofingmaterials• Typeofroofingmaterials-toassurethatthecorrectstepsaretakentoupholdtheintegrityof
theroof• Roofdrainage• Dirtbuildup• Rooftraffic• AccessandSafety
EvaluaIonpriortoPVarraydesign
#SolarWebinar
AdheredPV-PVlaminate:• Verylowprofile-aestheIcandwindloadbenefits• Lightweight• Usedwithadheredmembraneswithaminimumthicknessof72mil• CanonlybeusedwithhightempresistantmembranesandinsulaIonsasitcanheatupveryquickly
Low-slopePVmounIngopIons
#SolarWebinar
Ballastedsystems:• NoroofpenetraIonsrequired• Solarpanelsandrackingareheldinplacewithweight• ProvidesaquickretrofitsoluIon• Canblockdrainage&compressinsulaIoncreaIngpondingwater• Thermalexpansion/contracIoncausesdamage/wear&tear• CanmovefromHVACvibraIons• Createsdifficultywithroofmaintenance,inspecIonandrepair
Low-slopePVmounIngopIons
#SolarWebinar
MechanicalaNachments:• PenetraIngsupportsthatahachtostructuraldeckorbeamsandareflashedintoroofcovering• FlashingshouldfollowroofmanufacturersinstallinstrucIons(6-8”offroofsurface)• Strongerahachments• Canhandlewind,seismicandvibraIonsfromothermachineryonrooeopbeherEx:vibraIonsfromHVACandACunits• Lighterthanballastedsystems• Won’tdamageinsulaIonfromcompression• Reliablewaterproofing• Mountedhigherofftheroof,easytoinspectandrepair
Low-slopePVmounIngopIons
#SolarWebinar
PitchPocket(lastresort–avoidwhenpossible)
Low-slopePVmounIngopIonsOtherflashingopJonsformechanicalaNachments
Torchdown
Liquidflashing
#SolarWebinar
Newtechnologiesthatmakelow-slopeinstallseasierLow-slopePVmounIngopIonsLow-slopemetalstandingseamroofingASGUClamps
• Clampahachesmechanicallywithsetscrews• Easy,fastwaytoahachjustaboutanythingto
anystandingseamroof
• Usesnoadhesive,whichcanbeaffectedbychangesintemperatureorbarometricpressure
• AcceptedbymajorroofingmaterialsmanufacturerswithoutvoidingwarranIes
• ManufacturedbyourSistercompany,AlpineSnowGuards,themakerofSolarSnowManagementproducts
#SolarWebinar
Whatshouldyoulookfor?
• RaintesIng• Mechanicalloading• Standingwatertest
TesIngforlow-slopeproducts
#SolarWebinar
SimpleGripLow-sloperesiden1al
Newtechnologies:Makinglow-slopeinstallseasier
• Lightweight,durableconstrucIonenhanceswinduplieandseismicvalueswithoutaddingaddiIonalweight
• Extensivelytestedforpulloutandshear• CustomizedsoluIonstomatchanyproprietary
hardware
• Meetsorexceedsallknownbuildingcodes• PatentedwaterIghtsealformsanimpenetrablemoisture
barrier• LargebaseandmulIpleahachmentpointsdistribute
compressiveloadsoverstandardinsulaIon• AlltesInginfoisavailableonourwebsite• Contactusifyouwouldlikeasample
#SolarWebinar
• CompaIblewithmostTPO,PVCandEPDM• Wideflangeiseasytoweldinplace• Takesthewindloadoffofthemembrane• ManufacturedbyEcoFasten&DistributedbyOMG• IncludedinSolarPowerWorld’s2015TopproductsMounIngProducts(PowerGripPlus)
PowerGripandPowerGripPlusLow-slopecommercial
Newtechnologies:Makinglow-slopeinstallseasier
• 2000lbs.tensilestrength/1075lbs.shearstrength• Securelyanchorstotheroofdeck• Foruseonlow-slopecommercialapplicaIons• Helpsprotectsingle-plyroofcoversfromdamagedueto
ballastedrackmovement
#SolarWebinar
Newtechnologies:Makinglow-slopeinstallseasier
Only technicians trained in single-ply roof installation should install this product.
Always check with roof system manufacturer for installation criteria and written acceptance of the intended application prior to installa-tion. Failure to do so could void the roof warranty.
Only technicians trained in single-ply roof installation should install this product.
Always check with roof system manufacturer for installation criteria and written acceptance of the intended application prior to installa-tion. Failure to do so could void the roof warranty.
PREPARE1. Mark location where PowerGrip
Plus is to be installed. Prepare membrane surface at each location following roof system manufacturers’ requirements.
DRIVE 2. Install recommended fastener through the roof and deck (min. deck penetration 3⁄4-in. for steel, 1-in. for wood) using the depth gauge provided, and allowing the fastener head to sit firmly on the gauge card. Do not overdrive.
ALIGN3. Locate the notch on the perimeter of
the PowerGrip Plus flange and note how it aligns with the plate on the underside of the PowerGrip.
PREPARE1. Mark location where PowerGrip
Plus is to be installed. Prepare membrane surface at each location following roof system manufacturers’ requirements.
DRIVE 2. Install recommended fastener through the roof and deck (min. deck penetration 3⁄4-in. for steel, 1-in. for wood) using the depth gauge provided, and allowing the fastener head to sit firmly on the gauge card. Do not overdrive.
ALIGN3. Locate the notch on the perimeter of
the PowerGrip Plus flange and note how it aligns with the plate on the underside of the PowerGrip.
Installation Instructions
Installation Instructions
153 Bowles RoadAgawam, MA 01001 USA800.633.3800 | 413.789.0252www.OMGRoofing.com
153 Bowles RoadAgawam, MA 01001 USA800.633.3800 | 413.789.0252www.OMGRoofing.com
Based on technology from EcoFasten Solar. U.S. Patent No. 8,683,751.
Based on technology from EcoFasten Solar. U.S. Patent No. 8,683,751.
SLIDE
4. Slide the PowerGrip Plus into place over the head of the fastener.
DRIVE 5. Lift the flange and install eight additional fasteners through the PowerGrip Plus plate, hitting the top flutes. Do not fold or crease the membrane during fastener installation.
WELD6. Heat weld the flange of the
PowerGrip Plus to the manufacturer’s specifications and seal cut edges as required.
SLIDE
4. Slide the PowerGrip Plus into place over the head of the fastener.
DRIVE 5. Lift the flange and install eight additional fasteners through the PowerGrip Plus plate, hitting the top flutes. Do not fold or crease the membrane during fastener installation.
WELD6. Heat weld the flange of the
PowerGrip Plus to the manufacturer’s specifications and seal cut edges as required.
RM1008 Rev. 0314
RM1008 Rev. 0314
#SolarWebinar
Questions?
Steven Bushong Editor - Moderator Solar Power World [email protected]
Addie Webster Sales/Client Support EcoFasten Solar [email protected]
Top Tips for Mounting on Low-Slope Roofing
Brian Stearns Founder & President EcoFasten Solar & Alpine SnowGuards