b'thestandardmayfurtherin- assemblieswithlongservicelives.their behaviour. Since 2016, he hasWindUpliftFailureofaPolicy.ClimateChangeand clude requirements about theCSA A123.26 5aims to enhance theheaded the EXP roofing testing lab- RoofAssembly:ThePerfectEngineering.https://engineers required compressive strengthresilienceofroofassemblies,par- oratory,theonlylaboratoryrecog- Storm.PushingtheEnve- canada.ca/public-policy/climate-of the roof assembly and com- ticularly low-slope membrane roofs,nized by UL DAP in Canada for thelopeCanada(Spring):17-21.change-and-engineering. ponents,andaboutrequiredagainst future climatic conditions byCSAA123.21standard(Standardhttps://obec.on.ca/sites/default12. ResearchCouncilof National isolators to reduce damage toincorporating anticipated wind andTestMethodforDynamicWind/uploads/f iles/newslet- Canada (NRC), 2020. Nation-the roof assembly. rain loads using data from Climate- UpliftResistanceofMembrane- ter/spring-2023-articles/al Energy Code of Canada for Asdiscussed,CSAA123.26 5 RCI 13and improving the quality ofRoofingSystems).Hisdutiesin- article5.pdf Buildings. NECB. Ottawa, ON. could be expanded to includeroofingdetails.Therequirementsclude laboratory testing, in-situ test- 7. NationalResearchCouncilof13.NationalResearchCouncilofrequirementsforspecificationinthestandard,bothquantitativeing and consulting expertise. He sitsCanada(NRC).2023.WindCanada(NRC).2021.Cli-review, pre-construction meet- and qualitative, are intended to im- ontheSIGDERS(SpecialInterestLoadCalculatorsforRoofmate-RCI.https://nrc.canada.ings, submittals (including theprove the performance of the roofGroup for the Dynamic EvaluationCladdingandVegetatedRoofca/en/researchdevelopment/testreports),shopdrawingassemblies and ensure durability byof Roofing System) committee andAssembly.https://nrc.canada. products-services/software- reviewsandmock-upreviewscountering future climate severities,other related task groups. ca/en/research-development/ applications/climate-rci.forstandardofacceptance.by reducing wind uplift failures, wa- products-services/software14.SPRI.2011.WindDesign These requirements would beter ingress issues, safety issues andapplications/wind-load- in addition to the requirementsmaintenance.ThestandardalsoReferences calculatorsroof-cladding-Standard for Edge Systems Used forperiodicqualityassuranceprovides clearer guidelines for con- 1. CSAGroup.2020.Standardvegetated-roof-assembly. with Low Slope Roofing Systems. ANSI/SPRI/FM4435/ES-1. reviews.Also,asdiscussed,astruction practices, which can sup- TestMethodfortheDynamic8. Canadian Roofing Contractors Waltham,MA;SPRI.https://review by a qualified buildingport designers across regions, prov- WindUpliftResistanceofAssociation(CRCA).2018.www.spri.org/download/ansispri envelopeconsultantmightbeinces and/or jurisdictions. Membrane-RoofingSystems.Roofing Contractors and De- _standards_2020_restructure offeredasanacceptablealter- CSA/A123.21:20.Toronto,signers Responsibility. https:// /es-1/ansi_spri_fm-4435-es- native to the requirements forAbout the Authors ON: CSA Group. roofingcanada.com/bulletin/ 1_2011_08042020.pdf.SathyaRamachandranhas2415.CSAGroup.2021.Standard third-partyqualityassurance2. NationalResearchCouncilofroofing-contractors-and-designers inspections. years of experience in building sci- Canada (NRC). 2020. National-responsibility. Considering that the intent ofBuilding Code of Canada. Ot- 9. Klassen, J. 2021. Understand- TestMethodforWindResis-5 ence consulting and research, withtance of Modular Vegetated Roof CSA A123.26is to help sus- a focus on such high-performancetawa, ON; NRC. ing the British Columbia Build- Assembly. CSA A123.24:21. To-tain the service life of the roof3. MinistryofMunicipalAffairsing Code. Part 3: Roof Design: goals as durability, resilience, energyronto, ON: CSA Group.assembly, the standard may beconservation and occupant comfortandHousing.2012.OntarioFromCodetoSpecification.16.MinistryofMunicipalAffairs expandedtoincluderequire- of building envelope assemblies. HeBuilding Code (OBC). Toronto,RoofingBCMagazine18(3): ments for maintenance duringhas provided consulting services forON. 16-26.https://www.mediaedgeand Housing (MMAH). 2014. operation,suchasrequire- 4. RoofingContractorsAssocia- magazines.com/roof ingSupplementaryStandardSB-1 various building types across North Climate and Seismic Data. To-ments for periodic reviews andAmericaandhasadvancededuca- tion (RCABC), Roofing Prac- contractors-association-of- predeterminedmaintenancetioninbuildingscience.Hehastices ManualOfficial Man- britishcolumbia-rcabc/rc213. ronto,ON:MMAHBuilding activities,includingrepairsual of the RoofStar Guarantee10. SinglePlyRoofingIndustryand Development Branch.strongknowledge,experienceand andrenewals. Program.https://rpm.rcabc. (SPRI).2020.WindDesign17.ULCStandards.2016.Stan-attentiontodetailintheareasof building science principles, materialorg/index.php?title=main_StandardPracticeforRoofingdardforAirBarrierMateri-Conclusion composition,regulations,differentpage. Langley, BC. Assemblies. ANSI/SPRI WD-1.alsSpecification.CAN/ULC assemblies and components. He is aS742:2011-R2016. Northbrook, Withthechangingclimateand5. CSAGroup.2021.Perfor- Waltham, MA: SPRI. https://thelikelihoodofadverseweathervoting member of the ASTM Inter- manceRequirementsforCli- www.spri.org/download/ IL: ULC Standards.conditions in the future, the designmateResilienceofLowSlopeansi-spri_standards_2020_ 18.ASTMInternational.2021. national E06 Committee for Perfor-and construction of roof assembliesmance of Buildings.MembraneRoofingSystems.restructure/wd-1/ansi-Standard Guide for Flood Test-capableofresistingproject-specificCSA/A123.26:21.Toronto,spri-wd-1-020-wind-design- ingHorizontalWaterproofing wind uplift values as required by theOver his 30-year career, Bruno Ber- ON: CSA Group. standard-practice-for-roofingInstallations.ASTMD5957-building code is just a starting pointnardhasdevelopedanin-depth6. S.Ramachandran,M.Sum- -assemblies_v2.pdf. 98(2021). West Conshohocken,to achieve durable and resilient roofknowledge of roofing materials andmerfield and A.E. Perri. 2023.11.EngineersCanada.PublicPA: ASTM International. 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