Breathable Builds & Better Homes: High-Performance Systems with Devin Grant & Joel Seagren - Part 2

Welcome to Part 2 of Episode 32 of the Build Insite Podcast, featuring Devin Grant from Performance Membranes and Joel Seagren from Fantech. In this episode, we dig deeper into what it truly takes to build energy-efficient homes—beyond the buzzwords and surface-level upgrades. Devin and Joel share practical insights into the principles of Passive House, the importance of holistic planning, and how new technologies in membranes, ventilation, and materials are transforming construction in Australia. The conversation explores how to balance sustainability with performance, the role of retrofitting, and the long-term value of smarter building choices. Whether you're a builder, designer, or tradesperson, this episode is packed with clear, actionable advice on how to lead the charge toward healthier, more energy-efficient homes—one smart detail at a time.

00:00 – Introduction to Energy Efficiency
00:35 – The Role of Passive House in Energy Efficiency
01:46 – Innovations in Building Materials
03:03 – Balancing Energy Efficiency and Environmental Impact
04:31 – Challenges and Solutions in Energy Efficient Building
05:35 – Cost Analysis and Long-Term Benefits
06:38 – Ideal Wall Buildups for Energy Efficiency
10:48 – Educating the Industry on Sustainable Practices
17:36 – Retrofitting Existing Homes for Energy Efficiency
20:24 – Collaborating for Efficient Building Design
21:41 – Future of Membranes and Ventilation Systems
24:36 – Challenges and Opportunities in the Industry
28:02 – Advice for Builders and Tradespeople
30:20 – Rapid Fire Questions and Closing Remarks

This is the episode to share with your crew, your designer, and your client—it’s about working smarter, building better, and doing it together.
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