Norwegian scientific testing on reused timber beams: old timber is just as strong as new timber even after a century in use. This should make it easier to reuse old building materials. In Norway at least. https://www.sintef.no/siste-nytt/2024/sintef-tester-hundre-ar-gamle-lavebjelker/

https://hell.twtr.plus/media/02fc3b982a56dec13882331d069b7a4f41cdc3387c83750328c28a3d990e09c5.file