Hello, Let me share with you one of the video chronicles I recorded with master builder Juha Ruokangas. This content is normally available only with the Backstage Pass on The Guitar Channel as I built as an independent guitar media 100% passion based with 0% ads. On this chronicle I asked Juha about thermo treated wood: If you are interested in watching other chronicles with Juha, here's the list of subjects covered in the series: Captain Nemo guitar update Being a luthier in Finland Favorite woods Thermo treated wood (the video above) Varnish, nitro-cellulose, etc. Aging of thermo treated wood guitars Pickups Short or long tenon? For or against CNC machine? Get a free 1 month trial Backstage Pass by clicking on this promo link to check-out for yourself. Cheers, Pierre.