Steve Baczek gets an all-access tour of Earthcore to see how Isokern masonry fireplaces are made from Icelandic pumice and engineered for modern, high-performance homes. From raw volcanic pumice and automated manufacturing to curing, destructive testing, and quality control, Steve follows the entire fireplace production process from start to finish. He also explores how these fireplaces are designed to work in airtight and Passive House-style construction using sealed dampers, mechanical draft systems, pressure sensors, and controlled makeup air. See the building science behind modern masonry fireplaces.

Huge thanks to our episode sponsor, Earthcore. To learn more visit: https://earthcore.com and https://x-ventiso.com

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