b'J. Watson Roofing Consulting Inc. J. Watson Roofing Consulting Inc. 224 Seafield RoadJ Watson Roofing Consulting Inc.224 Seafield RoadVictoria BC, V9C 1S5 J Watson Roofing Consulting Inc.Victoria BC, V9C 1S5 (250) 634-4392 / e-mail: jwatson1@telus.net (250) 634-4392 / e-mail: jwatson1@telus.net www.watsonconsulting.ca Integrated roofing & waterproofing envelope solutions www.watsonconsulting.ca Integrated roofing & waterproofing envelope solutions for commercial, industrial and institutional clients. BUILDING CODEColumbias Fraser Valley. for commercial, industrial and institutional clients. 1British Columbia Building Code, By working together to interpret and apply 2 [the Building Code], we collectively contribute 3 2012 Edition. Quality consulting and inspection services for bothn previous articles, I have used this termIto mean anyone who is responsible for theto the development of communities that are design of the roof assembly. This could bean architect, an engineer, a roofing4 consultant or even the roofing contractor.equitable, resilient and lasting. Lets continue The standards published in the RCABC Roofing Practices Manual also employ the term this way. Calculating Specified Wind Loads is theto build better now, together.5 ee acronyms to denoteQuality consulting and inspection services for both necessary first step for any of the compli-ance pathways in Article 5.2.2.2. Also see 6 Klassen, James. Roof Design: from Code tonew construction and re-roofing projects.Specifications. Roofing BC, Vol. 18, No. 3, Fall, 2021, pp. 16-24.CSA-A123.21 uses thrthree types of roof system securement: AARS for Adhesive Applied Roof Systems; PARS for Partially Adhered Roof Systems; and MARS 7 for Mechanically Attached Roof Systems. dServing Metro Vancouver for 120 years! For more about supply chain issues affectingthe roofing industry during the COVID-19 pandemic, see the Industry Update forSeptember 2021, on the RCABC website: 8 https://www.rcabc.org/2021/09/27/ new construction and re-roofing projects. industry-update-material-shortages/.While every tested roof assembly is testedStrata Re-roofing Specialists with specific membranes, many reports listRoofing & Gutters engineered equivalents.Prior to 2020, the CSA-A123.21 Standar stipulated that the resulting sustainedJ. Watson Roofing Consulting Inc. www.crownroofingltd.com9 load designs.atson Ro ) J. Watson22 R4 Sooeaffinielg d RoaConsud lt ing Incnet pressure had to be reduced by applying a J Watson Roofing Consulting Inc. Safety Factor of 1.5. Newer iterations of theVi2c2t4o Srieafa BCiel, Vd Roa9C 1d S5 Standard require test results to be multipliedJ Watson Roofing Consulting Inc. hmond, BCV7 1S5 #118-11860 HammerSmith Way, Ric Victoria BC, V9CA 5G1 (250) 634-4392 / e-mail: jwatson1@telus.net by a resistance factor, which more closely(250) 634-4392 / e-mail: jwatson1@telus.net mimics the methods applied to wall cladding www.watsonconsulting.caIntegrated roofing & waterproofing envelope solutionswww.watsonconsulting.caSee British Columbia Building Code, DivisionIntegrated roofing & waterproofing envelope solutions B, Part 5, Note A-5.2.2.2. (4) Membranefor commercial, industrial and institutional clients.Roofing Systems. for commercial, industrial and institutional clients. J. Watson Roofing Consulting Inc.J. Watson Roofiing Consu t ng nc. J. Watson Roofng Consulting IJ. Watson Roofing lt inI nc.Consul i gInc.iel Consud lting Inc. Quality consulting and inspection services for both RCABCs RoofStar Guarantee uses acceptedJ. Watson22 R4 Seafoofing d RoaJ. Watson Roofing Consud t ng Inc. 224 Seafield Roa ltiJ. Watson Roofing ConsuJ. Watson Roofing Consulting Inc.ing Inc. materials, which means that materials used224 Seafield Road lJ Watson Roofing Consulting Inc.Quality consulting and inspection services for both new construction and re-r 224 Seafield Road Roa9C 1S5 oofing projects. d J Watson Roofing Consulting Inc.J Watson Ro ofing Consulting Inc.Vi22 orieaf d ct4 S a BCiel, VJ W ofing Consulting Inc.in a roof assembly test that have not beenJ Watson Roofing Consulting Inc.Victoria BC, V9C 1S5224 Seafi ield Road 224 Seaf eld Road new construction and re-r Vi2c2t4oo S a BCiel, Vd Roa9C 1d SS55 Vic rieaf S5riiaa BCaccepted will have to be replaced by thoseJ Watson Roofing Consulting Inc.J Watson Roofing Consulting Inc.VicttorBC, V, V99CC11oofing projects.J Watson Roofing Consulting Inc. us et(250) 634-4392 / e-BC l: jwat on1@telus.net Victori iamai , V9C 1s 5 Victor aBC 9C 1S 5, V Sthat are. Consult the membrane manufac- (250 )634-4392 / e mail l: jwson1@telus.n(250634-43Vi 2 tor- mai , V9C 1S5el9 c/ ei-a BC: jwatatssoon1n1@@ttelus.net 10 materials substitutions. h/224SeafieldRoad((225500))66334444339922//eemaimaill: : jjwwatatson1@telus.net(250) 634-4392 / e t mai con ats t o @t elus.net www.wa - son l: jwsuls inn1@t us.net e-mail: jw on1 a elg.c(25 634-4392 / at - sonc : jw at so g.c @telus.net turer of the roof assembly test to discuss( 2500)) 634 www.w at mail ons at in n1 a Victoria,BC|250-391-7887www2 /sonconsult-439 .w e ulting.ca Integrated roofing & waterproofing envelope solutions w onsulting.caawwwwwwwaattssoonncconsulting.cIntegrated roofing & waterproofing envelope solutions Integrated roofing & waterproofing envelope solutions 224SeafieldRoadVictoria,BC w.watsonconsulting.ca www. |250-391-7887wwwatsonconsulting.caIntegrated roofing & waterproofing envelope solutionsBaskaran, A. Dynamic Wind TestingIntegrated roofing & waterproofing envelope solutions www.watsonconsulting.ca jwatson1@telus.net|www.watsonconsulting.cafor commercial, industrial and institutional clients. Integrated roofing & waterproofing envelope solutions Integrated roofing & waterproofing envelope solutions for commercial, industrial and institutional clients.Integrated roofing & waterproofing envelope solutions for commercial, industrial and institutional clients.for commercial, industrial and institutional clients. of Commercial Roofing Systems. NRCjwatson1@telus.net|www.watsonconsulting.ca11 November 2002. for commer 224SeafieldRoadVictoria,BC|250-391-7887for commercial, industrial and institutional clients. for commercial, industrial and institutional clients.Construction Technology Update No. 55.for commercial, industrial and institutional clients. cial, industrial and institutional clients. Quality consulting and inspection services for both National Research Council of Canada,Quality consulting and inspection services for bothQuality consulting and inspection services for both Quality consulting and inspection services for both vices for both Quality consulting and inspection serQuality consulting and inspection services for both new construction and re-roofing projects.Quality consulting and inspection services for both new construction and re-roofing projects.Quality consulting and inspection sernew construction and re-roofing proofing projects.ojects.vices for both new construction and re-r new construction and re-roofing projects.https://nrc-publications.canada.ca/eng/searc new construction and re-roofing projects. new construction and re-roofing projects.?q=NRCCode&q=&q=&ps=50&s=dtp&m=1new construction and re-roofing projects. 12 224SeafieldRoadVictoria,BC|250-391-7887 Massie, Suzanne. Trust but Verify: Reagan,224SeafieldRoadVictoria,BC|250-391-7887 Russia and me. Maine Authors224SeafieldRoadVictoria,BC|250-391-7887 224SeafieldRoadVictoria,BC|250-391-7887224SeafieldRoadVictoria,BC|250-391-7887 13 Publishing, 2013. 224SeafieldRoadVictoria,BC|250-391-7887 33 224SeafieldRoadVict |www |250-391-7887jwatson1@telus.netoria,BC .watsonconsulting.cajwatson1@telus.net|www.watsonconsulting.ca224SeafieldRoadVictoria,BC|250-391-7887jwatson1@telus.net|www.watsonconsulting.ca.watsonconsulting.cajwatson1@telus.net |www .watsonconsulting.cajwatson1@telus.net|www See The Impact of Solar Reflectivity ofjwatson1@telus.net|www.watsonconsulting.cajwatson1@telus.net|www.watsonconsulting.cajwatson1@telus.net|www .watsonconsulting.caGlazing Adjacent Roofs. Roofing BC,Vol. 18, No. 2, Summer 2021, pp. 20-27. 224SeafieldRoadVictoria,BC|250-391-7887www.rcabc.org l jwatson1@telus.net|www.watsonconsulting.cajwatson1@telus.net|www.watsonconsulting.ca'