Building Science Association of Ontario

Building Science Association of Ontario OBEC (Now BSAO) is a Not For Profit Corporation, duly established according to the relevant Acts of the Province of Ontario.

Since 1987 - The Ontario Building Envelope Council (OBEC) (Now BSAO) has been bridging the gaps among the architectural, engineering, research, manufacturers and construction communities. The emergence of the practice of Building Science as a distinct discipline within the Construction Industry led to the establishment of OBEC in 1986 by a group of individuals concerned and interested in the furth

erance of Building Envelope related issues and the perfection of the practice of Building Envelope construction and rehabilitation.

Design Smarter Buildings: Master Mechanical Systems for High-Performance ProjectsElevate your expertise with our Mechani...
05/28/2026

Design Smarter Buildings: Master Mechanical Systems for High-Performance Projects

Elevate your expertise with our Mechanical Systems Course—an exam-focused program designed to prepare you for the Mechanical Systems Exam while strengthening your real-world design knowledge.

Dive into the critical relationship between building envelopes and environmental control, with a strong focus on sustainable, high-performance building practices. Explore key topics including thermal comfort, indoor air quality, HVAC systems, moisture management, air distribution, pressure dynamics, and energy efficiency.

Take advantage today: https://bssb.ca/bss-courses/mechanical-systems-course

New PTE Magazine highlight: Building Envelope Issues – Expect the Unexpected: Damage Due to Bulk Water Entry and Entrapm...
05/21/2026

New PTE Magazine highlight: Building Envelope Issues – Expect the Unexpected: Damage Due to Bulk Water Entry and Entrapment. Explore how hidden water intrusion can lead to serious building envelope failures.

Read more:https://bsao.ca/sites/default/uploads/files/newsletter/Spring-2026-articles/Pushing-the-Envelope-Spring2026-article-7.pdf

Nominations are now open for the Anthony A. Woods Award (“The Beckie”) 2026!Know someone who has made an outstanding con...
05/14/2026

Nominations are now open for the Anthony A. Woods Award (“The Beckie”) 2026!

Know someone who has made an outstanding contribution to building envelope science and performance?

Submit your nomination by Sept. 1, 2026. https://bsao.ca/awards/the-beckie/call-for-entry

Join us this Wednesday, May 13, 5–9 PM in Toronto for our Dinner Meeting."Off-Site Glazing, On-Site Outcomes" explores a...
05/11/2026

Join us this Wednesday, May 13, 5–9 PM in Toronto for our Dinner Meeting.

"Off-Site Glazing, On-Site Outcomes" explores a modular precast tower case study with insights on envelope design & performance.

Register here: https://bsao.ca/events/2026/05/13/off-site-glazing26

New PTE Magazine highlight: integrated building envelope renewal + smart planning = real decarbonization results.Discove...
05/07/2026

New PTE Magazine highlight: integrated building envelope renewal + smart planning = real decarbonization results.

Discover how coordinated strategies deliver cost-effective impact:https://bsao.ca/sites/default/uploads/files/newsletter/Spring-2026-articles/Pushing-the-Envelope-Spring2026-article-6.pdf

Check out this PTE Magazine highlight: “Advancing Sustainable Roof Restoration: Enhancing Roof Recovery with Embodied Ca...
05/05/2026

Check out this PTE Magazine highlight: “Advancing Sustainable Roof Restoration: Enhancing Roof Recovery with Embodied Carbon Analysis and Innovative Material Choices.” Insightful ideas for a more sustainable built environment.

https://bsao.ca/sites/default/uploads/files/newsletter/Spring-2026-articles/Pushing-the-Envelope-Spring2026-article-5.pdf

Register now for the BSAO Dinner Meeting on May 13, 5–9 PM in Toronto. "Off-Site Glazing, On-Site Outcomes" explores a m...
04/30/2026

Register now for the BSAO Dinner Meeting on May 13, 5–9 PM in Toronto. "Off-Site Glazing, On-Site Outcomes" explores a modular precast tower case study with insights on envelope design & performance.

Dinner included—save your seat today! https://bsao.ca/events/2026/05/13/off-site-glazing26

Register now for Passive House Canada’s Large Building Airtightness Testing Training, May 5–7 at the University of Toron...
04/28/2026

Register now for Passive House Canada’s Large Building Airtightness Testing Training, May 5–7 at the University of Toronto.

This hands-on workshop covers multi-fan blower door testing, data analysis & reporting. Ideal for engineers, builders & energy pros.

https://bsao.ca/events/2026/05/05/passive-house-canada-update

In celebration of National Volunteer Week, we proudly recognize and thank our dedicated Board of Directors and the many ...
04/23/2026

In celebration of National Volunteer Week, we proudly recognize and thank our dedicated Board of Directors and the many volunteers who generously share their time, energy, and expertise in support of our organization.

Your leadership, commitment, and passion are at the heart of everything we achieve. Whether guiding our vision or supporting day-to-day initiatives, your contributions create a meaningful and lasting impact.

This week—and every week—we are truly grateful for all that you do. Your efforts make our work possible and strengthen our entire community.

Thank you for being such an invaluable part of our organization.

Address

2800/14th Avenue
Markham, ON
L3R0E4

Opening Hours

Monday 8:30am - 4:30pm
Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm

Telephone

+16473175754

Website

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