Canada Post Publications Agreement Number: 40609661 Fall 2024 Successful Deep Energy Retrofit: The Kestrel Court Case Study Pushing the CanadaPushing the Envelope Canada 7 Pushing the Canada n n n TABLE OF CONTENTS n n n TABLE OF CONTENTS ON THE COVER: Two-thirds of the buildings that exist today will still exist in 2040, which means they will require a deep energy retrofit. Turn to page 23 to learn about the Kestrel Court case study, presented by RDH Building Science, in "Kestrel Court: Case Study of a Successful Deep Energy Retrofit." Canada Post Publications Agreement Number: 40609661 Fall 2024 Successful Deep Energy Retrofit: The Kestrel Court Case Study Pushing the Canada Pushing the Envelope Canada A publication of the Ontario Building Envelope Council Fall 2024 Published For: The Ontario Building Envelope Council 2800 – 14th Ave. Suite 210 Markham, ON L3R 0E4 Phone: 647-317-5754 Fax: 416-491-1670 info@obec.on.ca www.obec.on.ca ©2024 Matrix Group Publishing Inc. All rights reserved. Contents may not be reproduced by any means, in whole or in part, without the prior written permission of the publisher. The opinions expressed in this publication are not necessarily those of Matrix Group Publishing Inc. Printed in Canada. OBEC does not specifically endorse the editorial, products or services contained within this magazine. These products and services are presented here as an indication of the various possibilities in the Marketplace. OBEC wishes to advise the reader that sound Building Science Practices should be applied to any and all product or service selections. OBEC does not make or imply any warranties as to the suitability of any of these products or services for any specific situation. Furthermore, the opinions expressed in this magazine’s editorial content may not necessarily reflect the opinions of OBEC. UP FRONT Message from the President...............................................................................................13 Meet the OBEC Board of Directors.................................................................................13 Upcoming Building Science Specialist Exam Dates........................................................15 FEATURES To Retain or Not To Retain: Snow on Your Metal Roof.................................................16 Compressed Air Frost Spray (CAFS) Testing..................................................................20 Kestrel Court: Case Study of a Successful Deep Energy Retrofit..................................23 From Roof Collapse to Remediation: Understanding RAAC in Ontario's Buildings..27 The National Fenestration Rating Council Moves to a More Practical Condensation Rating.....................................................................................30 Shattering Glass: Unveiling the Hazards..........................................................................33 Beyond Electricity: Application of Copper Alloys for Dome Roof Construction........36 Siloed Codes and Siloed Design: What is Most Important?...........................................38 Strategies for Urban Flood Mitigation.............................................................................40 TAKE ACTION Join the Ontario Building Envelope Council...................................................................43 INDEX TO ADVERTISERS .........................................................................................46Pushing the Envelope Canada 9 n n n TABLE OF CONTENTS MEET OUR EXPERTS ROB HADDOCK Rob Haddock is a former contractor, award- winning roof forensics expert, author, speaker, building scientist and the founder of S-5! He is the inventor of the non-invasive clamps for fastening accessories to standing seam metal roofs and the originator of an all-new and distinctive product category: engineered, manufactured metal roof attachment solutions. His personal goal is to promote metal roofing as the most desired, accepted, user-friendly, most coveted roof in the construction industry globally. To learn more, visit www.S-5.com. NATHAN MORLOCK Nathan Morlock, founder of Engineered Architecturals Ltd., and the inventor of the Turtle Rib brand with five patents pending brings a unique background as a union-trained sheet metal worker. Morlock later became a partner in a specialty architectural products company. DAVID DE ROSE, M.A.SC., P.ENG., BSS David De Rose, M.A.Sc., P.Eng., BSS is a Principal for Synergy Partners. He is the Chair of the CSA A440.6 subcommittee that deals with high-exposure Fenestration Installation and is a voting member for CSA-S478 Standard of Building Durability. David is currently a part-time Professor at Toronto Metropolitan University and the University of Toronto. ANTHONY LUKES, B.ENG. Anthony Lukes, B.Eng., is a Project Manager for Synergy Partners. Anthony has worked on over 200 projects over a nine-year career in building Science and Restoration. He specializes in building enclosures and has extensive experience in the evaluation and field testing of building façades. GREG HILDEBRAND, M.SC.ENG., CET Greg Hildebrandt, M.Sc.Eng., CET, was the head of the façade engineering group at EXP Services and a leading expert in the Canadian window and door industry. ANTON VAN DYK, M.ENG., P.ENG. Anton Van Dyk has over 25 years of building envelope related consulting and construction experience. As Building Codes have evolved at a rate faster than ever, Anton's current focus is assisting fenestration manufactures, specifiers, and installers understand the paths of code compliance in British Columbia and throughout North America. JONATHAN SMEGAL Based in Waterloo, Ontario, for nearly 20 years, Jonathan Smegal is an associate and senior building science consultant at RDH. He leads projects related to laboratory research, forensic analysis of building failures, litigation, hygrothermal modeling, and field monitoring of building enclosure performance. As a researcher, he is an author on multiple peer-reviewed papers and has frequently shared his work through industry publications, webinars, and speaking events. ADAM HOSNY, M.ENG., P.ENG. Adam Hosny, M.Eng., P.Eng., is a Structural Engineer & Partner at Capacity Engineering Limited. His practice focuses on Structural Engineering with a special interest in Building Envelope design, failure diagnosis, and testing. In his role at Capacity Engineering, he is responsible for structural and building envelope forensic investigation, structural design, and is the lead engineer on Tarion RB 19R reviews. DENNIS ANDERSON Dennis Anderson was a Project Manager with the NFRC and resigned to join Underwriters Laboratories in Chicago to build and certify a thermal hot-box chamber before rejoining NFRC and is currently the Senior Programs Manager engaged primarily with auditing NFRC-accredited laboratories and international computer simulation training. NENSI BABOCI, B.A.SC., M.ENG., P.ENG. Nensi Baboci, B.A.Sc., M.Eng., P.Eng., is a Project Engineer at RJC Engineers' Building Science Group. Her area of expertise includes assessment, investigation and remediation of building envelope systems, and implementation and management of retrofit projects. BRANDON GEMME, P.ENG., BSS, CPHD Brandon Gemme, P.Eng., BSS, CPHD, is a Project Manager at Leading Edge Building Engineers. He has been involved in several deep energy retrofit projects and has gained valuable experience in the design, modelling, and management of them. ARIEL ZHU Ariel is a recent graduate from Toronto Metropolitan University with a Master of Applied Science in Building Science. Her thesis study focused on the risk reduction design of the storm-water detention assembly to mitigate urban flooding.Ariel now marries her experience in design with sustainability and retrofit as a Project Coordinator. Pushing the Envelope Canada A publication of the Ontario Building Envelope Council Fall 2024 Published By: Matrix Group Publishing Inc. 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OBEC does not make or imply any warranties as to the suitability of any of these products or services for any specific situation. Furthermore, the opinions expressed in this magazine’s editorial content may not necessarily reflect the opinions of OBEC.Next >