The Building Sciology Poddie

How do you design a home that lasts centuries?
Renowned architect Steve Baczek (The Build Show, Unbuild It Podcast) joins me on the show to break down the fundamentals of building science. From the "Perfect Wall" to the four critical control layers, Steve explains why "buildings needing to breathe" is a dangerous myth and how collaboration between architects and builders is the key to success.

Episode Highlights:
01:10 - Steve’s journey from Building Science Corp to the Build Show.
06:54 - The 4 Control Layers: Water, Air, Vapor, and Thermal.
21:40 - The "Breathing" Myth: Why airtightness is non-negotiable.
38:47 - Overhangs & Eaves: The 2-to-1 rule for water management.
45:12 - The "Perfect Wall" across different climates.
53:13 - The best wall you can build on a budget.
1:13:55 - Steve’s #1 piece of advice for the next generation.

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Is your home actually making you sick, or is there more to the story? In this episode, I’m joined by Zara D’Cotta, founder of The Healthy Home, to explore the intersection of traditional construction and human biology. Zara shares the personal health journey that led her to building biology and presents her case for why "sustainable" design doesn’t always equal a healthy living environment.
We look at everything from the hidden trade-offs of recycled insulation to EMFs and lots more.
The world of EMFs can feel overwhelming and is often met with plenty of scepticism. In this conversation, Zara and I discuss the gap between current building codes and research, so whether you’re a firm believer or still weighing the evidence, this episode is a deep dive into the science, the controversy, and the evolving global standards of EMFs and building biology.

Find the show notes on the website.
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In this episode, I chat with Duayne Pearce, a builder, industry mentor, and co-founder of Live Life Build. Duayne shares his journey from industry struggles to embracing new systems, and his vision for a more professional and sustainable building industry.

We talk about industry transformation, proactive leadership, continuous education, and collaboration. His initiatives like the Level Up expo in 2025, his mentorship program and systematised workflows aim to elevate standards, attract quality clients, and promote sustainable, healthy homes.

Building a better industry is a collective effort. By embracing systems, education, and a passion for quality, builders can significantly improve client outcomes, personal well-being, and industry professionalism.

Show notes on the website

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In this conversation, I had a chat with Dr Marcus Strang, a leading expert in Passive House certification. We discussed the importance of quality assurance in building, the challenges faced during the certification process, and the significance of documentation and the need for collaboration among architects, builders, and clients. We also explore the impact of climate on Passive House design, moisture management, and the future of building science in Australia. The conversation highlights the importance of education and experience in the field of sustainable design.Show notes on the website

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We're heading back into the world of mould this week with Tracy Seymour, who spent two years and tens of thousands of dollars trying to work out why her five year old son was developing unexplained neurological tics. The answer was hidden mould in their ceiling. Rather than stopping there, Tracy turned that experience into a mission - founding Break the Mould Inspections to help other families find answers faster than she did.
In this episode we talk mould inspection, remediation, and why the mould you can't see is often the most dangerous kind.Find the show notes here
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