b'RESILIENCYOfcourse,wecannotchangethe whole world. No single person, organi-zation or even country can. But we can dosomething,howeversmallitmay seemwe can design and build resil-ient roofs that will endure even as our climate changes and weather threatens to beat down the doors. The Building Code offers a starting point, and stan-dards, including RCABCs roof system standards, set a bar that goes well beyond This stock photograph illustrates a wind-damaged asphalt shingle roof that was roofed over at least twice. Air infiltration beneath the shin- the minimum requirements of the Code.gles must be managed by a continuous underlayment to ensure shingles remain effectively attached to the deck. RGC Standards prohibitThere is an old English saying rooted roofing over precisely due to expected failures like this. (Credit: Travelers.com) in the 14th century: Opportunity makes theman.Theaphorismringswith those materials will probably be irrepa- material aging. I may have more to saypossibility for men and women in the rably damaged because they are all stuckabout these subjects in future pieces. roofing trade, and throughout the design together. Instead of doing the same oldcommunity.Nowisthetime,andthe thing, design these detailscurbs, para- AGENTS OF CHANGE opportunity is before us. The question pets, roof-wall interfaceswith renew- AlbertSchweitzeroncewrote,Theis, who will dare step up to be the agents ablelayersthatrequireonlyminimalpurpose of human life is to serve, andof change?dismantling so that only the membrane,to show compassion and the will to helpWeveauthoredthebookongreat not the entire system, has to be removedothers.Onlythenhaveweourselvesroofingdesignandconstructionstan-and replaced. become true human beings. 12 dards. Visit rcabc.org/roofstar-guarantee to AsphaltshingleroofscanalsobeOurclimateischanging,andwhilelearn more about our RoofStar Guarantee betterdesignedforrenewal.EvenifsomemayshrugofftheimmediateProgram, or visit rpm.rcabc.org for our thedesignincorporatesaself-adheredeffects as difficult but bearable, residentsRoofing Practices Manual.membraneonlyforeaveprotection,ofBritishColumbiawillrememberABOUT THE AUTHORspecifyafullcoveringwithanail-ap- how much the 2021 heat wave reshapedJamesKlassenisaRoofStar Technical pliedunderlayment.Theunderlay- everyday life. Contractors were forced toAdvisor and staff writer with the Roofing mentwillseparateshinglesfromthepivot or shut down simply because it wasContractorsAssociationofBritish eaveprotectionlayerandpreventtoo hot for crews to work safely. ThatColumbia (RCABC). As a keen propo-thetwofrombondingaproblemexperience is an invitation, beckoning usnent of vegetated roofs, James contrib-that often results in deck damage and to look beyond today, beyond our ownutestoeducationandpolicydevelop-expensive replacement. bravado or bias, to a future that our chil- ment for sustainable green roof design Thereissomuchmorewecoulddren and grandchildren are likely to faceand represents the RCABC in collabora-sayaboutroofrenewalandresilientand may find extreme and oppressive.tive work with Green Roofs for Healthy roof designtoo much to cover in thisHow will we care for them in the yearsCities to develop green roofing profes-article.Theseincludeinevitabletrade- that may be beyond our own, and for thesional curricula. He also writes for and offswhenitcomestomaterialselec- future of our communities on whom wemanagestheonlineRoofingPractices tion, system composition and prematureand our children rely for our livelihoods?Manual, participates in numerous CSA Bothwell-Accurate has enjoyed 90 successful years in business and now employs over 500 professionals to meet all your waterproofing, architectural metal and roofing project requirements. With a management team that represents some ofthe most experienced professionals in the industry, and more than 60,000completedprojects,weareoneofCanadasoldestandmostexperienced construction firms. We proudly service our growing roster of industrial, commercial and institutional clients providing innovative, superior installations in the lower mainland and interior of British Columbia and across Ontario.604-282-7960bcestimating@bothwell-accurate.combothwell-accurate.com30 lROOFINGBClSPRING 2023'