Timber frame construction with own wood

Addendum: Take a look on the internet for Bundesverband Deutscher Fertigbau e.V. (BDF). I quote from the BDF's online encyclopedia: "The prefabricated house manufacturers in the BDF avoid chemical wood preservatives because constructive wood protection is the smarter solution. The wood is subjected to a special drying process in special chambers. This technical drying on the one hand prevents cracks from forming in the wood. On the other hand, attractants for wood pests decrease and the building material is protected against insect infestation. Besides the drying process, the use of naturally resistant wood species, the processing of the material, and the geometry of the building are crucial for the protection of the building material wood."

Thank you very much, I will read it right away.

Good morning! If you don't have forestry training, why not inquire at a sawmill near you or with the state forest ranger about what beetle-infested wood can actually be used for.