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DefecT recognition In Housing

Interactive 4-half day workshop!

Learn about the top housing construction defects.

Building Industry Workshop

Live Online




4 Half-Days


May 7, 14, 21, 28, 2024


1:00PM - 4:00PM

Join us for an interactive session filled with discussion where you will:

  • Assess real-life housing defects gathered from Canadian new home builders

  • Learn how to document observations and establish causes and solutions to defects

  • Learn how to navigate the Construction Performance Guidelines and other defect assessment tools


This course was developed to help builders understand and accurately assess the root cause of housing defects. In this workshop, participants will analyse real-life housing defects. They will experience how defects are recognized, the cause established and solutions and prevention strategies formulated. Participants will learn how to use and refer to the Ontario Building Code, Construction Performance Guidelines and other applicable industry standards to support their assessments.


This is an interactive workshop with group exercises, class discussions, polls and quizzes that are used to achieve the course learning objectives.  Participants engage in solving actual problems supplemented by advice from industry experts. 

Course objectives

By the end of the workshop, you will be able to:

  • Identify and diagnose common housing defects;

  • Use building science and construction fundamentals to determine the cause and remedy for various defects;

  • Apply the Building Code, the Construction Performance Guidelines, and other applicable standards, to assess a variety of defects;

  • Learn how to read consultant reports and assess the deficiencies in the report;

  • Learn how to describe and establish the scope of a consultants report; 

  • Identify how to communicate the assessment of specific defects to homeowners.



Michael lio, P.eng

buildability CORPORATION

​Michael has worked with builders across Canada for more than 30 years.  He has worked with Tarion since 1988 as a consultant and most recently as a board member. Michael has been a consumer advocate over his entire career. He has been the Executive Director of the Consumers Council of Canada (2000 to 2008) and the Homeowner Protection Centre (2009 to 2014). He has represented consumers on various organizations including the boards of ESA, TSSA, and Advertising Standards Canada. Michael has facilitated hundreds of training sessions for audiences across Canada. Recently, he authored the publication, Best Practices for Builder Customer Service as a compendium of procedures and policies from the very best home builders from across Canada and the United States. Michael has built a tool kit for builders to immediately improve their relationship with their homeowners.

Note: Our refund policy can be found on our FAQ page.

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