Home - Building Science Association of Ontario

BSAO is the Gold Standard in Building Science Education and Professional Networking

BSAO Vision

A highly educated industry that ensures consistent, high quality building enclosures.

BSAO Mission

We advocate for building science and provide quality education and forums for collaboration for members to network and increase their technical knowledge.

Keep up to date and enrich your skills and knowledge

BSAO offers many high quality events, webinars, and dinner meetings. Our past events archive reviews our events and has material to download so you don't miss a thing!

Upcoming Events Past Meetings

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Did You Know?

October 2, 2026

In Memoriam: Professor Kim Pressnail

It is with great sadness that the Building Science Association of Ontario (BSAO) shares the news of the passing of Professor Kim Pressnail, a respected educator, researcher, engineer, and longtime contributor to Ontario’s building science community.

BSAO Notice of AGM

Notice is hereby given that the 2026 Building Science Association of Ontario (BSAO) Annual General Meeting will take place on Wednesday, October 14, 2026, at Jewel Event Centre - 55 Sovereign Court, Woodbridge, Ontario, starting at 11:00 a.m.

BSAO submission to the Province's Building Code consultation (ERO 026-0744)

On August 14, BSAO filed a submission with the Ministry of Municipal Affairs and Housing in response to ERO 026-0744, Reducing Regulatory Burden in Ontario's Building Code.

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July 7, 2026

Job Ad - Recruiting member for the Building Materials Evaluation Commission (BMEC)

BSAO is pleased to share the following opportunity with our members -

BMEC Opportunity

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Upcoming

October 14, 2026

BSAO Seminar

Fall Seminar and Annual General Meeting

October 15, 2026

Other Event

ROCKWOOL Manufacturing Facility Tour

Help us shape the future of Building Science Specialist in Canada.

BSAO is pleased to offer current college and university students the opportunity to apply for a No-Fee Student Membership. Corporate members now have the opportunity to sponsor those students for a full membership year.

Learn More View our Student Sponsors