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Welcome to another episode of the Heritage Buildings Podcast.

In this episode, Vincent Reed speaks with Karl Magnus-Melin, historic carpenter and craft researcher trained in archaeology at Lund University. The discussion centres on the reconstruction of a 14th-century Swedish log timber church, rebuilt between 2007 and 2021 as a national heritage knowledge project in collaboration with the Craft Laboratory at the University of Gothenburg.

They explore medieval timber construction, roof design research, experimental archaeology, traditional axe work, hand-split boards, tool mark analysis, timber species selection, moisture content, and how rebuilding lost techniques strengthens conservation practice and historic building knowledge.

Topics covered include:

1. Medieval timber construction and historic carpentry techniques
2. Reconstructing a 14th-century Scandinavian log church
3. Experimental archaeology and craft-based research methods
4. Traditional axe work, tool marks, and timber splitting by hand
5. Dendrochronology, tree-ring dating, and timber provenance analysis
6. Roof construction research and medieval geometry
7. Apotropaic marks, taper burn marks, and ritual protection symbols in historic buildings
8. Driftwood construction in the Faroe Islands and Nordic timber trade
9. Craft education, heritage skills shortages, and conservation funding challenges

This episode is essential viewing for conservation architects, heritage consultants, dendrochronologists, archaeologists, historic carpenters, timber framers, building historians, and anyone passionate about medieval construction techniques and experimental craft research.

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Below is a more detailed breakdown of the video with relevant timestamps

Click the time on the left to jump straight to that section

00:00 Welcome & Introducing Craft Researcher Karl Magnus-Melin

01:41 Family Roots: Grandfathers, Churches, and Early Curiosity

03:19 Archaeology Meets Carpentry: Learning by Doing, Not Just Digging

07:42 Burned Medieval Log Church Reconstruction Begins

12:35 Documentation Gaps: Roof, Attic & Research Challenges

17:48 Defining Roles: Leading Medieval Roof Construction Research

22:04 Building as a Knowledge Project for Swedish Heritage

26:32 Splitting Timber by Hand: Species, Seasoning & Tool Marks

35:56 Axe Work, Fitness & the Physical Reality of Medieval Craft

42:57 Rebuilding Lost Traditions: Lessons & Long-Term Impact

45:52 Funding Frustrations vs. Slow Restoration Wins

46:35 Turkey 2017: Inside a 700 BC Timber Tomb

49:39 Ancient Construction Knowledge Across Regions

51:41 Hidden Attics, Soot Lines & Craft...